[feat]Add JoyImageEdit native model support (#14428)

comfy/ldm/joyimage/model.py

@@ -0,0 +1,445 @@
+# https://github.com/jdopensource/JoyAI-Image-Edit (Apache 2.0)
+import math
+from typing import Optional, Tuple
+
+import comfy_kitchen
+import torch
+import torch.nn as nn
+
+import comfy.ldm.common_dit
+import comfy.ops
+import comfy.patcher_extension
+from comfy.ldm.lightricks.model import GELU_approx, PixArtAlphaTextProjection, TimestepEmbedding, Timesteps
+from comfy.ldm.modules.attention import optimized_attention
+
+
+class JoyImageModulate(nn.Module):
+    def __init__(self, hidden_size: int, factor: int, dtype=None, device=None):
+        super().__init__()
+        self.factor = factor
+        self.modulate_table = nn.Parameter(
+            torch.empty(1, factor, hidden_size, dtype=dtype, device=device)
+        )
+
+    def forward(self, x: torch.Tensor) -> list:
+        if x.ndim != 3:
+            x = x.unsqueeze(1)
+        table = comfy.ops.cast_to_input(self.modulate_table, x)
+        return [o.squeeze(1) for o in (table + x).chunk(self.factor, dim=1)]
+
+
+class JoyImageFeedForward(nn.Module):
+    def __init__(
+        self,
+        dim: int,
+        inner_dim: int,
+        dtype=None,
+        device=None,
+        operations=None,
+    ):
+        super().__init__()
+        self.net = nn.ModuleList([
+            GELU_approx(dim, inner_dim, dtype=dtype, device=device, operations=operations),
+            nn.Identity(),
+            operations.Linear(inner_dim, dim, bias=True, dtype=dtype, device=device),
+        ])
+
+    def forward(self, x: torch.Tensor) -> torch.Tensor:
+        for module in self.net:
+            x = module(x)
+        return x
+
+
+class JoyImageAttention(nn.Module):
+    def __init__(
+        self,
+        dim: int,
+        num_attention_heads: int,
+        attention_head_dim: int,
+        eps: float = 1e-6,
+        dtype=None,
+        device=None,
+        operations=None,
+    ):
+        super().__init__()
+        self.num_attention_heads = num_attention_heads
+        inner_dim = num_attention_heads * attention_head_dim
+
+        self.img_attn_qkv = operations.Linear(dim, inner_dim * 3, bias=True, dtype=dtype, device=device)
+        self.img_attn_q_norm = operations.RMSNorm(attention_head_dim, eps=eps, dtype=dtype, device=device)
+        self.img_attn_k_norm = operations.RMSNorm(attention_head_dim, eps=eps, dtype=dtype, device=device)
+        self.img_attn_proj = operations.Linear(inner_dim, dim, bias=True, dtype=dtype, device=device)
+
+        self.txt_attn_qkv = operations.Linear(dim, inner_dim * 3, bias=True, dtype=dtype, device=device)
+        self.txt_attn_q_norm = operations.RMSNorm(attention_head_dim, eps=eps, dtype=dtype, device=device)
+        self.txt_attn_k_norm = operations.RMSNorm(attention_head_dim, eps=eps, dtype=dtype, device=device)
+        self.txt_attn_proj = operations.Linear(inner_dim, dim, bias=True, dtype=dtype, device=device)
+
+    def forward(
+        self,
+        img: torch.Tensor,
+        txt: torch.Tensor,
+        image_rotary_emb: torch.Tensor,
+        transformer_options=None,
+    ) -> Tuple[torch.Tensor, torch.Tensor]:
+        heads = self.num_attention_heads
+
+        img_q, img_k, img_v = self.img_attn_qkv(img).chunk(3, dim=-1)
+        txt_q, txt_k, txt_v = self.txt_attn_qkv(txt).chunk(3, dim=-1)
+
+        img_q = img_q.unflatten(-1, (heads, -1))
+        img_k = img_k.unflatten(-1, (heads, -1))
+        img_v = img_v.unflatten(-1, (heads, -1))
+        txt_q = txt_q.unflatten(-1, (heads, -1))
+        txt_k = txt_k.unflatten(-1, (heads, -1))
+        txt_v = txt_v.unflatten(-1, (heads, -1))
+
+        img_q = self.img_attn_q_norm(img_q)
+        img_k = self.img_attn_k_norm(img_k)
+        txt_q = self.txt_attn_q_norm(txt_q)
+        txt_k = self.txt_attn_k_norm(txt_k)
+
+        img_q, img_k = comfy_kitchen.apply_rope(img_q, img_k, image_rotary_emb)
+
+        joint_q = torch.cat([img_q, txt_q], dim=1)
+        joint_k = torch.cat([img_k, txt_k], dim=1)
+        joint_v = torch.cat([img_v, txt_v], dim=1)
+
+        joint_q = joint_q.flatten(2, 3)
+        joint_k = joint_k.flatten(2, 3)
+        joint_v = joint_v.flatten(2, 3)
+
+        joint_out = optimized_attention(joint_q, joint_k, joint_v, heads=heads, transformer_options=transformer_options)
+
+        seq_img = img.shape[1]
+        img_out = joint_out[:, :seq_img, :]
+        txt_out = joint_out[:, seq_img:, :]
+
+        img_out = self.img_attn_proj(img_out)
+        txt_out = self.txt_attn_proj(txt_out)
+        return img_out, txt_out
+
+
+class JoyImageTransformerBlock(nn.Module):
+    def __init__(
+        self,
+        dim: int,
+        num_attention_heads: int,
+        attention_head_dim: int,
+        mlp_width_ratio: float = 4.0,
+        eps: float = 1e-6,
+        dtype=None,
+        device=None,
+        operations=None,
+    ):
+        super().__init__()
+        mlp_hidden_dim = int(dim * mlp_width_ratio)
+
+        self.img_mod = JoyImageModulate(dim, factor=6, dtype=dtype, device=device)
+        self.img_norm1 = operations.LayerNorm(dim, elementwise_affine=False, eps=eps, dtype=dtype, device=device)
+        self.img_norm2 = operations.LayerNorm(dim, elementwise_affine=False, eps=eps, dtype=dtype, device=device)
+        self.img_mlp = JoyImageFeedForward(dim, inner_dim=mlp_hidden_dim, dtype=dtype, device=device, operations=operations)
+
+        self.txt_mod = JoyImageModulate(dim, factor=6, dtype=dtype, device=device)
+        self.txt_norm1 = operations.LayerNorm(dim, elementwise_affine=False, eps=eps, dtype=dtype, device=device)
+        self.txt_norm2 = operations.LayerNorm(dim, elementwise_affine=False, eps=eps, dtype=dtype, device=device)
+        self.txt_mlp = JoyImageFeedForward(dim, inner_dim=mlp_hidden_dim, dtype=dtype, device=device, operations=operations)
+
+        self.attn = JoyImageAttention(
+            dim=dim,
+            num_attention_heads=num_attention_heads,
+            attention_head_dim=attention_head_dim,
+            eps=eps,
+            dtype=dtype,
+            device=device,
+            operations=operations,
+        )
+
+    def forward(
+        self,
+        hidden_states: torch.Tensor,
+        encoder_hidden_states: torch.Tensor,
+        temb: torch.Tensor,
+        image_rotary_emb: torch.Tensor,
+        transformer_options=None,
+    ) -> Tuple[torch.Tensor, torch.Tensor]:
+        (
+            img_mod1_shift,
+            img_mod1_scale,
+            img_mod1_gate,
+            img_mod2_shift,
+            img_mod2_scale,
+            img_mod2_gate,
+        ) = self.img_mod(temb)
+        (
+            txt_mod1_shift,
+            txt_mod1_scale,
+            txt_mod1_gate,
+            txt_mod2_shift,
+            txt_mod2_scale,
+            txt_mod2_gate,
+        ) = self.txt_mod(temb)
+
+        img_normed = self.img_norm1(hidden_states)
+        txt_normed = self.txt_norm1(encoder_hidden_states)
+        img_modulated = img_normed * (1 + img_mod1_scale.unsqueeze(1)) + img_mod1_shift.unsqueeze(1)
+        txt_modulated = txt_normed * (1 + txt_mod1_scale.unsqueeze(1)) + txt_mod1_shift.unsqueeze(1)
+
+        img_attn, txt_attn = self.attn(img_modulated, txt_modulated, image_rotary_emb, transformer_options=transformer_options)
+
+        hidden_states = hidden_states + img_attn * img_mod1_gate.unsqueeze(1)
+        encoder_hidden_states = encoder_hidden_states + txt_attn * txt_mod1_gate.unsqueeze(1)
+
+        img_ffn_normed = self.img_norm2(hidden_states)
+        txt_ffn_normed = self.txt_norm2(encoder_hidden_states)
+        img_ffn_input = img_ffn_normed * (1 + img_mod2_scale.unsqueeze(1)) + img_mod2_shift.unsqueeze(1)
+        txt_ffn_input = txt_ffn_normed * (1 + txt_mod2_scale.unsqueeze(1)) + txt_mod2_shift.unsqueeze(1)
+        hidden_states = hidden_states + self.img_mlp(img_ffn_input) * img_mod2_gate.unsqueeze(1)
+        encoder_hidden_states = encoder_hidden_states + self.txt_mlp(txt_ffn_input) * txt_mod2_gate.unsqueeze(1)
+
+        return hidden_states, encoder_hidden_states
+
+
+class JoyImageTimeTextImageEmbedding(nn.Module):
+    def __init__(
+        self,
+        dim: int,
+        time_freq_dim: int,
+        time_proj_dim: int,
+        text_embed_dim: int,
+        dtype=None,
+        device=None,
+        operations=None,
+    ):
+        super().__init__()
+        self.timesteps_proj = Timesteps(num_channels=time_freq_dim, flip_sin_to_cos=True, downscale_freq_shift=0)
+        self.time_embedder = TimestepEmbedding(
+            in_channels=time_freq_dim,
+            time_embed_dim=dim,
+            dtype=dtype,
+            device=device,
+            operations=operations,
+        )
+        self.act_fn = nn.SiLU()
+        self.time_proj = operations.Linear(dim, time_proj_dim, bias=True, dtype=dtype, device=device)
+        self.text_embedder = PixArtAlphaTextProjection(
+            text_embed_dim, dim, act_fn="gelu_tanh", dtype=dtype, device=device, operations=operations,
+        )
+
+    def forward(self, timestep: torch.Tensor, encoder_hidden_states: torch.Tensor):
+        timestep = self.timesteps_proj(timestep)
+        temb = self.time_embedder(timestep.to(dtype=encoder_hidden_states.dtype)).type_as(encoder_hidden_states)
+        timestep_proj = self.time_proj(self.act_fn(temb))
+        encoder_hidden_states = self.text_embedder(encoder_hidden_states)
+        return temb, timestep_proj, encoder_hidden_states
+
+
+class JoyImageTransformer3DModel(nn.Module):
+    def __init__(
+        self,
+        patch_size: list = [1, 2, 2],
+        in_channels: int = 16,
+        out_channels: Optional[int] = None,
+        hidden_size: int = 3072,
+        num_attention_heads: int = 24,
+        text_dim: int = 4096,
+        mlp_width_ratio: float = 4.0,
+        num_layers: int = 20,
+        rope_dim_list: list = [16, 56, 56],
+        theta: int = 256,
+        image_model=None,
+        dtype=None,
+        device=None,
+        operations=None,
+    ):
+        super().__init__()
+        self.dtype = dtype
+        self.out_channels = out_channels or in_channels
+        self.patch_size = list(patch_size)
+        self.rope_dim_list = list(rope_dim_list)
+        self.theta = theta
+
+        attention_head_dim = hidden_size // num_attention_heads
+
+        self.img_in = operations.Conv3d(
+            in_channels,
+            hidden_size,
+            kernel_size=tuple(self.patch_size),
+            stride=tuple(self.patch_size),
+            dtype=dtype,
+            device=device,
+        )
+
+        self.condition_embedder = JoyImageTimeTextImageEmbedding(
+            dim=hidden_size,
+            time_freq_dim=256,
+            time_proj_dim=hidden_size * 6,
+            text_embed_dim=text_dim,
+            dtype=dtype,
+            device=device,
+            operations=operations,
+        )
+
+        self.double_blocks = nn.ModuleList([
+            JoyImageTransformerBlock(
+                dim=hidden_size,
+                num_attention_heads=num_attention_heads,
+                attention_head_dim=attention_head_dim,
+                mlp_width_ratio=mlp_width_ratio,
+                dtype=dtype,
+                device=device,
+                operations=operations,
+            )
+            for _ in range(num_layers)
+        ])
+
+        self.norm_out = operations.LayerNorm(hidden_size, elementwise_affine=False, eps=1e-6, dtype=dtype, device=device)
+        self.proj_out = operations.Linear(
+            hidden_size,
+            self.out_channels * math.prod(self.patch_size),
+            bias=True,
+            dtype=dtype,
+            device=device,
+        )
+
+    def _get_rotary_pos_embed_for_range(
+        self,
+        start: Tuple[int, int, int],
+        stop: Tuple[int, int, int],
+        device=None,
+    ) -> torch.Tensor:
+        # 3D RoPE for the patch grid range [start, stop) over (t, h, w). Token order after
+        # reshape(-1) is (t, h, w), matching the img_in Conv3d flatten.
+        rope_dim_list = self.rope_dim_list
+
+        grids = [torch.arange(start[i], stop[i], dtype=torch.float32, device=device) for i in range(3)]
+        mesh = torch.stack(torch.meshgrid(*grids, indexing="ij"), dim=0)
+
+        angles_parts = []
+        for i, dim in enumerate(rope_dim_list):
+            pos = mesh[i].reshape(-1)
+            freqs = 1.0 / (self.theta ** (torch.arange(0, dim, 2, dtype=torch.float32, device=device)[: (dim // 2)] / dim))
+            angles_parts.append(torch.outer(pos, freqs))
+
+        angles = torch.cat(angles_parts, dim=1)
+        cos = angles.cos()
+        sin = angles.sin()
+        return torch.stack((cos, -sin, sin, cos), dim=-1).unflatten(-1, (2, 2))
+
+    def get_rotary_pos_embed_for_components(
+        self,
+        component_sizes,
+        device=None,
+    ) -> torch.Tensor:
+        # Per-component 3D RoPE. component_sizes is a list of (t, h, w) patch grid sizes in
+        # sequence order [target, ref0, ref1, ...]; h/w restart at 0 for each component while t
+        # continues from the running offset, giving every image its own temporal position band.
+        freqs_parts = []
+        t_offset = 0
+        for (t, h, w) in component_sizes:
+            freqs = self._get_rotary_pos_embed_for_range(
+                start=(t_offset, 0, 0),
+                stop=(t_offset + t, h, w),
+                device=device,
+            )
+            freqs_parts.append(freqs)
+            t_offset += t
+        return torch.cat(freqs_parts, dim=0).unsqueeze(0).unsqueeze(2)
+
+    def unpatchify(self, x: torch.Tensor, t: int, h: int, w: int) -> torch.Tensor:
+        c = self.out_channels
+        pt, ph, pw = self.patch_size
+        x = x.reshape(x.shape[0], t, h, w, pt, ph, pw, c)
+        x = x.permute(0, 7, 1, 4, 2, 5, 3, 6)
+        return x.reshape(x.shape[0], c, t * pt, h * ph, w * pw)
+
+    def forward(
+        self,
+        hidden_states: torch.Tensor,
+        timestep: torch.Tensor,
+        context: torch.Tensor = None,
+        ref_latents=None,
+        control=None,
+        transformer_options=None,
+        **kwargs,
+    ) -> torch.Tensor:
+        transformer_options = {} if transformer_options is None else transformer_options.copy()
+        return comfy.patcher_extension.WrapperExecutor.new_class_executor(
+            self._forward,
+            self,
+            comfy.patcher_extension.get_all_wrappers(comfy.patcher_extension.WrappersMP.DIFFUSION_MODEL, transformer_options)
+        ).execute(hidden_states, timestep, context, ref_latents, transformer_options, **kwargs)
+
+    def _forward(
+        self,
+        hidden_states: torch.Tensor,
+        timestep: torch.Tensor,
+        context: torch.Tensor,
+        ref_latents=None,
+        transformer_options=None,
+        **kwargs,
+    ) -> torch.Tensor:
+        pt, ph, pw = self.patch_size
+        _, _, ot, oh, ow = hidden_states.shape
+
+        components = [hidden_states, *(ref_latents or [])]
+        component_sizes = []
+        img_tokens = []
+        for comp in components:
+            comp = comfy.ldm.common_dit.pad_to_patch_size(comp, self.patch_size)
+            _, _, ct, ch, cw = comp.shape
+            component_sizes.append((ct // pt, ch // ph, cw // pw))
+            tokens = self.img_in(comp).flatten(2).transpose(1, 2)  # (B, n_i, D)
+            img_tokens.append(tokens)
+
+        img = torch.cat(img_tokens, dim=1)
+
+        _, vec, txt = self.condition_embedder(timestep, context)
+        vec = vec.unflatten(1, (6, -1))
+
+        image_rotary_emb = self.get_rotary_pos_embed_for_components(
+            component_sizes,
+            device=hidden_states.device,
+        )
+
+        patches_replace = transformer_options.get("patches_replace", {})
+        blocks_replace = patches_replace.get("dit", {})
+        transformer_options["total_blocks"] = len(self.double_blocks)
+        transformer_options["block_type"] = "double"
+        for i, block in enumerate(self.double_blocks):
+            transformer_options["block_index"] = i
+            if ("double_block", i) in blocks_replace:
+                def block_wrap(args):
+                    out = {}
+                    out["img"], out["txt"] = block(
+                        hidden_states=args["img"],
+                        encoder_hidden_states=args["txt"],
+                        temb=args["vec"],
+                        image_rotary_emb=args["pe"],
+                        transformer_options=args.get("transformer_options"),
+                    )
+                    return out
+
+                out = blocks_replace[("double_block", i)]({"img": img,
+                                                           "txt": txt,
+                                                           "vec": vec,
+                                                           "pe": image_rotary_emb,
+                                                           "transformer_options": transformer_options},
+                                                          {"original_block": block_wrap})
+                txt = out["txt"]
+                img = out["img"]
+            else:
+                img, txt = block(
+                    hidden_states=img,
+                    encoder_hidden_states=txt,
+                    temb=vec,
+                    image_rotary_emb=image_rotary_emb,
+                    transformer_options=transformer_options,
+                )
+
+        tt, th, tw = component_sizes[0]
+        target_tokens = tt * th * tw
+        img = img[:, :target_tokens, :]
+        img = self.proj_out(self.norm_out(img))
+        img = self.unpatchify(img, tt, th, tw)
+        return img[:, :, :ot, :oh, :ow]

comfy/model_base.py

@@ -58,6 +58,7 @@ import comfy.ldm.omnigen.omnigen2
 import comfy.ldm.seedvr.model
 import comfy.ldm.boogu.model
 import comfy.ldm.qwen_image.model
+import comfy.ldm.joyimage.model
 import comfy.ldm.ideogram4.model
 import comfy.ldm.krea2.model
 import comfy.ldm.kandinsky5.model
@@ -2276,6 +2277,28 @@ class QwenImage(BaseModel):
             out['ref_latents'] = list([1, 16, sum(map(lambda a: math.prod(a.size()), ref_latents)) // 16])
         return out
 
+class JoyImage(BaseModel):
+    def __init__(self, model_config, model_type=ModelType.FLOW, device=None):
+        super().__init__(model_config, model_type, device=device, unet_model=comfy.ldm.joyimage.model.JoyImageTransformer3DModel)
+        self.memory_usage_factor_conds = ("ref_latents",)
+
+    def extra_conds(self, **kwargs):
+        out = super().extra_conds(**kwargs)
+        cross_attn = kwargs.get("cross_attn", None)
+        if cross_attn is not None:
+            out['c_crossattn'] = comfy.conds.CONDRegular(cross_attn)
+        ref_latents = kwargs.get("reference_latents", None)
+        if ref_latents is not None:
+            out['ref_latents'] = comfy.conds.CONDList([self.process_latent_in(lat) for lat in ref_latents])
+        return out
+
+    def extra_conds_shapes(self, **kwargs):
+        out = {}
+        ref_latents = kwargs.get("reference_latents", None)
+        if ref_latents is not None:
+            out['ref_latents'] = list([1, 16, sum(map(lambda a: math.prod(a.size()), ref_latents)) // 16])
+        return out
+
 class Ideogram4(BaseModel):
     def __init__(self, model_config, model_type=ModelType.FLOW, device=None):
         super().__init__(model_config, model_type, device=device, unet_model=comfy.ldm.ideogram4.model.Ideogram4Transformer2DModel)

comfy/model_detection.py

@@ -1058,6 +1058,25 @@ def detect_unet_config(state_dict, key_prefix, metadata=None):
                 dit_config["image_model"] = "SAM31"
             return dit_config
 
+    if (
+        '{}double_blocks.0.attn.img_attn_qkv.weight'.format(key_prefix) in state_dict_keys
+        and '{}double_blocks.0.attn.img_attn_q_norm.weight'.format(key_prefix) in state_dict_keys
+        and '{}condition_embedder.time_embedder.linear_1.weight'.format(key_prefix) in state_dict_keys
+        and '{}img_in.weight'.format(key_prefix) in state_dict_keys
+        and len(state_dict['{}img_in.weight'.format(key_prefix)].shape) == 5
+    ):
+        img_in = state_dict['{}img_in.weight'.format(key_prefix)]
+        head_dim = state_dict['{}double_blocks.0.attn.img_attn_q_norm.weight'.format(key_prefix)].shape[0]
+        return {
+            "image_model": "joyimage",
+            "in_channels": img_in.shape[1],
+            "hidden_size": img_in.shape[0],
+            "patch_size": list(img_in.shape[2:]),
+            "num_layers": count_blocks(state_dict_keys, '{}double_blocks.'.format(key_prefix) + '{}.'),
+            "num_attention_heads": img_in.shape[0] // head_dim,
+            "text_dim": 4096,
+        }
+
     if '{}input_blocks.0.0.weight'.format(key_prefix) not in state_dict_keys:
         return None
 

comfy/sd.py

@@ -76,6 +76,7 @@ import comfy.text_encoders.gemma4
 import comfy.text_encoders.cogvideo
 import comfy.text_encoders.sa3
 import comfy.text_encoders.gpt_oss
+import comfy.text_encoders.joyimage
 
 import comfy.model_patcher
 import comfy.lora
@@ -1377,6 +1378,7 @@ class CLIPType(Enum):
     IDEOGRAM4 = 30
     BOOGU = 31
     KREA2 = 32
+    JOYIMAGE = 33
 
 
 
@@ -1706,6 +1708,10 @@ def load_text_encoder_state_dicts(state_dicts=[], embedding_directory=None, clip
                 clip_data[0] = comfy.utils.state_dict_prefix_replace(clip_data[0], {"model.language_model.": "model.", "model.visual.": "visual.", "lm_head.": "model.lm_head."})
                 clip_target.clip = comfy.text_encoders.krea2.te(**llama_detect(clip_data))
                 clip_target.tokenizer = comfy.text_encoders.krea2.Krea2Tokenizer
+            elif clip_type == CLIPType.JOYIMAGE and te_model == TEModel.QWEN3VL_8B:  # JoyImageEdit: full Qwen3-VL-8B, edit-conditioning template + drop_idx.
+                clip_data[0] = comfy.utils.state_dict_prefix_replace(clip_data[0], {"model.language_model.": "model.", "model.visual.": "visual.", "lm_head.": "model.lm_head."})
+                clip_target.clip = comfy.text_encoders.joyimage.te(**llama_detect(clip_data))
+                clip_target.tokenizer = comfy.text_encoders.joyimage.JoyImageTokenizer
             elif clip_type in (CLIPType.FLUX, CLIPType.FLUX2):  # Flux2 Klein reuses the Qwen3-VL LM (3-layer tap -> 12288); visual unused.
                 klein_model_type = "qwen3_8b" if te_model == TEModel.QWEN3VL_8B else "qwen3_4b"
                 clip_target.clip = comfy.text_encoders.flux.klein_te(**llama_detect(clip_data), model_type=klein_model_type)

comfy/supported_models.py

@@ -27,6 +27,7 @@ import comfy.text_encoders.z_image
 import comfy.text_encoders.ideogram4
 import comfy.text_encoders.boogu
 import comfy.text_encoders.krea2
+import comfy.text_encoders.joyimage
 import comfy.text_encoders.anima
 import comfy.text_encoders.ace15
 import comfy.text_encoders.longcat_image
@@ -1911,6 +1912,38 @@ class QwenImage(supported_models_base.BASE):
         hunyuan_detect = comfy.text_encoders.hunyuan_video.llama_detect(state_dict, "{}qwen25_7b.transformer.".format(pref))
         return supported_models_base.ClipTarget(comfy.text_encoders.qwen_image.QwenImageTokenizer, comfy.text_encoders.qwen_image.te(**hunyuan_detect))
 
+class JoyImage(supported_models_base.BASE):
+    unet_config = {
+        "image_model": "joyimage",
+    }
+
+    sampling_settings = {
+        "multiplier": 1000,
+        "shift": 1.5,
+    }
+
+    memory_usage_factor = 1.8
+
+    unet_extra_config = {
+        "theta": 10000,
+        "rope_dim_list": [16, 56, 56],
+    }
+
+    latent_format = latent_formats.Wan21
+
+    supported_inference_dtypes = [torch.bfloat16, torch.float32]
+
+    vae_key_prefix = ["vae."]
+    text_encoder_key_prefix = ["text_encoders."]
+
+    def get_model(self, state_dict, prefix="", device=None):
+        return model_base.JoyImage(self, device=device)
+
+    def clip_target(self, state_dict={}):
+        pref = self.text_encoder_key_prefix[0]
+        qwen3vl_detect = comfy.text_encoders.hunyuan_video.llama_detect(state_dict, "{}qwen3vl.transformer.".format(pref))
+        return supported_models_base.ClipTarget(comfy.text_encoders.joyimage.JoyImageTokenizer, comfy.text_encoders.joyimage.te(**qwen3vl_detect))
+
 class HunyuanImage21(HunyuanVideo):
     unet_config = {
         "image_model": "hunyuan_video",
@@ -2389,6 +2422,7 @@ models = [
     Omnigen2,
     Boogu,
     QwenImage,
+    JoyImage,
     Ideogram4,
     Krea2,
     Flux2,

comfy/text_encoders/joyimage.py

@@ -0,0 +1,97 @@
+import torch
+
+from comfy import sd1_clip
+import comfy.text_encoders.qwen_vl
+from comfy.text_encoders.qwen3vl import Qwen3VL, Qwen3VLTokenizer
+
+JOYIMAGE_VISION_BLOCK = "<|vision_start|><|image_pad|><|vision_end|>"
+JOYIMAGE_TEMPLATE_TEXT = (
+    "<|im_start|>system\n \\nDescribe the image by detailing the color, shape, size, texture, "
+    "quantity, text, spatial relationships of the objects and background:<|im_end|>\n"
+    "<|im_start|>user\n{}<|im_end|>\n<|im_start|>assistant\n"
+)
+JOYIMAGE_TEMPLATE_IMAGE = (
+    "<|im_start|>system\n \\nDescribe the image by detailing the color, shape, size, texture, "
+    "quantity, text, spatial relationships of the objects and background:<|im_end|>\n"
+    f"<|im_start|>user\n{JOYIMAGE_VISION_BLOCK}{{}}<|im_end|>\n<|im_start|>assistant\n"
+)
+# The DiT was trained without the leading system-prompt tokens.
+JOYIMAGE_DROP_IDX = 34
+PAD_TOKEN = 151643
+
+
+class Qwen3VL8B_JoyImage(Qwen3VL):
+    model_type = "qwen3vl_8b"
+
+    def preprocess_embed(self, embed, device):
+        if embed["type"] == "image":
+            image, grid = comfy.text_encoders.qwen_vl.process_qwen2vl_images(
+                embed["data"], min_pixels=65536, max_pixels=16777216, patch_size=16,
+                image_mean=[0.5, 0.5, 0.5], image_std=[0.5, 0.5, 0.5],
+                interpolation="bicubic",
+            )
+            merged, deepstack = self.visual(image.to(device, dtype=torch.float32), grid)
+            return merged, {"grid": grid, "deepstack": deepstack}
+        return None, None
+
+
+class JoyImageTokenizer(Qwen3VLTokenizer):
+    def __init__(self, embedding_directory=None, tokenizer_data={}):
+        super().__init__(
+            embedding_directory=embedding_directory, tokenizer_data=tokenizer_data,
+            model_type="qwen3vl_8b",
+        )
+        self.llama_template = JOYIMAGE_TEMPLATE_TEXT
+        self.llama_template_images = JOYIMAGE_TEMPLATE_IMAGE
+
+    def tokenize_with_weights(self, text, return_word_ids=False, llama_template=None, images=None, **kwargs):
+        kwargs.pop("thinking", None)
+        return super().tokenize_with_weights(
+            text, return_word_ids=return_word_ids, llama_template=llama_template,
+            images=images or [], thinking=True, **kwargs,
+        )
+
+
+class _JoyImageClipModel(sd1_clip.SDClipModel):
+    def __init__(self, device="cpu", layer="hidden", layer_idx=-1, dtype=None,
+                 attention_mask=True, model_options={}):
+        super().__init__(
+            device=device, layer=layer, layer_idx=layer_idx, textmodel_json_config={},
+            # JoyImage conditions on the pre-final-norm output of the last decoder layer.
+            dtype=dtype, special_tokens={"pad": PAD_TOKEN}, layer_norm_hidden_state=False,
+            model_class=Qwen3VL8B_JoyImage, enable_attention_masks=attention_mask,
+            return_attention_masks=attention_mask, model_options=model_options,
+        )
+
+
+class JoyImageTEModel(sd1_clip.SD1ClipModel):
+    def __init__(self, device="cpu", dtype=None, model_options={}):
+        super().__init__(
+            device=device, dtype=dtype, name="qwen3vl_8b",
+            clip_model=_JoyImageClipModel, model_options=model_options,
+        )
+
+    def encode_token_weights(self, token_weight_pairs):
+        out, pooled, extra = super().encode_token_weights(token_weight_pairs)
+        if out.shape[1] <= JOYIMAGE_DROP_IDX:
+            raise ValueError(
+                f"JoyImageTEModel: encoded sequence length {out.shape[1]} is shorter "
+                f"than drop_idx={JOYIMAGE_DROP_IDX}; the prompt did not include the "
+                f"template prefix."
+            )
+        out = out[:, JOYIMAGE_DROP_IDX:]
+        if "attention_mask" in extra:
+            extra["attention_mask"] = extra["attention_mask"][:, JOYIMAGE_DROP_IDX:]
+        return out, pooled, extra
+
+
+def te(dtype_llama=None, llama_quantization_metadata=None):
+    class JoyImageTEModel_(JoyImageTEModel):
+        def __init__(self, device="cpu", dtype=None, model_options={}):
+            if llama_quantization_metadata is not None:
+                model_options = model_options.copy()
+                model_options["quantization_metadata"] = llama_quantization_metadata
+            if dtype_llama is not None:
+                dtype = dtype_llama
+            super().__init__(device=device, dtype=dtype, model_options=model_options)
+    return JoyImageTEModel_

comfy/text_encoders/qwen_vl.py

@@ -15,6 +15,7 @@ def process_qwen2vl_images(
     merge_size: int = 2,
     image_mean: list = None,
     image_std: list = None,
+    interpolation: str = "bilinear",
 ):
     if image_mean is None:
         image_mean = [0.48145466, 0.4578275, 0.40821073]
@@ -47,10 +48,9 @@ def process_qwen2vl_images(
     img_resized = F.interpolate(
         img.unsqueeze(0),
         size=(h_bar, w_bar),
-        mode='bilinear',
+        mode=interpolation,
         align_corners=False
     ).squeeze(0)
-
     normalized = img_resized.clone()
     for c in range(3):
         normalized[c] = (img_resized[c] - image_mean[c]) / image_std[c]

comfy_extras/nodes_joyimage.py

@@ -0,0 +1,102 @@
+from typing_extensions import override
+
+import comfy.utils
+import node_helpers
+from comfy_api.latest import ComfyExtension, io
+
+
+# fmt: off
+BUCKETS_1024 = [
+    (512, 1792), (512, 1856), (512, 1920), (512, 1984), (512, 2048),
+    (576, 1600), (576, 1664), (576, 1728), (576, 1792),
+    (640, 1472), (640, 1536), (640, 1600),
+    (704, 1344), (704, 1408), (704, 1472),
+    (768, 1216), (768, 1280), (768, 1344),
+    (832, 1152), (832, 1216),
+    (896, 1088), (896, 1152),
+    (960, 1024), (960, 1088),
+    (1024, 960), (1024, 1024),
+    (1088, 896), (1088, 960),
+    (1152, 832), (1152, 896),
+    (1216, 768), (1216, 832),
+    (1280, 768),
+    (1344, 704), (1344, 768),
+    (1408, 704),
+    (1472, 640), (1472, 704),
+    (1536, 640),
+    (1600, 576), (1600, 640),
+    (1664, 576),
+    (1728, 576),
+    (1792, 512), (1792, 576),
+    (1856, 512),
+    (1920, 512),
+    (1984, 512),
+    (2048, 512),
+]
+# fmt: on
+
+
+def _find_best_bucket(height: int, width: int) -> tuple[int, int]:
+    target_ratio = height / width
+    return min(BUCKETS_1024, key=lambda hw: abs(hw[0] / hw[1] - target_ratio))
+
+
+def _resize_reference(image):
+    if image.shape[0] != 1:
+        raise ValueError("JoyImage reference inputs must contain one image each")
+    samples = image.movedim(-1, 1)
+    bucket_h, bucket_w = _find_best_bucket(samples.shape[2], samples.shape[3])
+    resized = comfy.utils.common_upscale(samples, bucket_w, bucket_h, "bilinear", "center")
+    return resized.movedim(1, -1)[:, :, :, :3]
+
+
+def _encode(clip, prompt, vae, images):
+    resized_images = [_resize_reference(image) for image in images]
+    conditioning = clip.encode_from_tokens_scheduled(clip.tokenize(prompt, images=resized_images))
+    if vae is not None and resized_images:
+        ref_latents = [vae.encode(image) for image in resized_images]
+        conditioning = node_helpers.conditioning_set_values(
+            conditioning, {"reference_latents": ref_latents}, append=True,
+        )
+    return conditioning
+
+
+class TextEncodeJoyImageEdit(io.ComfyNode):
+    @classmethod
+    def define_schema(cls):
+        image_template = io.Autogrow.TemplatePrefix(
+            io.Image.Input("image"),
+            prefix="image",
+            min=0,
+            max=6,
+        )
+        return io.Schema(
+            node_id="TextEncodeJoyImageEdit",
+            category="model/conditioning/joyimage",
+            inputs=[
+                io.Clip.Input("clip"),
+                io.String.Input("prompt", multiline=True, dynamic_prompts=True),
+                io.Vae.Input("vae", optional=True),
+                io.Autogrow.Input("images", template=image_template, optional=True),
+            ],
+            outputs=[
+                io.Conditioning.Output(),
+            ],
+        )
+
+    @classmethod
+    def execute(cls, clip, prompt, vae=None, images: io.Autogrow.Type = None) -> io.NodeOutput:
+        images = images or {}
+        return io.NodeOutput(_encode(clip, prompt, vae, list(images.values())))
+
+
+class JoyImageExtension(ComfyExtension):
+    @override
+    async def get_node_list(self) -> list[type[io.ComfyNode]]:
+        return [
+            TextEncodeJoyImageEdit,
+        ]
+
+
+async def comfy_entrypoint() -> JoyImageExtension:
+    return JoyImageExtension()

nodes.py

@@ -992,7 +992,7 @@ class CLIPLoader:
     @classmethod
     def INPUT_TYPES(s):
         return {"required": { "clip_name": (folder_paths.get_filename_list("text_encoders"), ),
-                              "type": (["stable_diffusion", "stable_cascade", "sd3", "stable_audio", "mochi", "ltxv", "pixart", "cosmos", "lumina2", "wan", "hidream", "chroma", "ace", "omnigen2", "qwen_image", "hunyuan_image", "flux2", "ovis", "longcat_image", "cogvideox", "lens", "pixeldit", "ideogram4", "boogu", "krea2"], ),
+                              "type": (["stable_diffusion", "stable_cascade", "sd3", "stable_audio", "mochi", "ltxv", "pixart", "cosmos", "lumina2", "wan", "hidream", "chroma", "ace", "omnigen2", "qwen_image", "hunyuan_image", "flux2", "ovis", "longcat_image", "cogvideox", "lens", "pixeldit", "ideogram4", "boogu", "krea2", "joyimage"], ),
                               },
                 "optional": {
                               "device": (["default", "cpu"], {"advanced": True}),
@@ -1002,7 +1002,7 @@ class CLIPLoader:
 
     CATEGORY = "model/loaders"
 
-    DESCRIPTION = "Recipes:\nsd: clip-l\nstable cascade: clip-g\nsd3: t5 xxl / clip-g / clip-l\nstable audio: t5 base\nmochi: t5 xxl\ncogvideox: t5 xxl (226-token padding)\ncosmos: old t5 xxl\nlumina2: gemma 2 2B\nwan: umt5 xxl\nhidream: llama-3.1 (Recommend) or t5\nomnigen2: qwen vl 2.5 3B\nlens: gpt-oss-20b\npixeldit: gemma 2 2B elm"
+    DESCRIPTION = "Recipes:\nsd: clip-l\nstable cascade: clip-g\nsd3: t5 xxl / clip-g / clip-l\nstable audio: t5 base\nmochi: t5 xxl\ncogvideox: t5 xxl (226-token padding)\ncosmos: old t5 xxl\nlumina2: gemma 2 2B\nwan: umt5 xxl\nhidream: llama-3.1 (Recommend) or t5\nomnigen2: qwen vl 2.5 3B\njoyimage: qwen3-vl 8B\nlens: gpt-oss-20b\npixeldit: gemma 2 2B elm"
 
     def load_clip(self, clip_name, type="stable_diffusion", device="default"):
         clip_type = getattr(comfy.sd.CLIPType, type.upper(), comfy.sd.CLIPType.STABLE_DIFFUSION)
@@ -2462,6 +2462,7 @@ async def init_builtin_extra_nodes():
         "nodes_seedvr.py",
         "nodes_context_windows.py",
         "nodes_qwen.py",
+        "nodes_joyimage.py",
         "nodes_boogu.py",
         "nodes_chroma_radiance.py",
         "nodes_pid.py",

tests-unit/comfy_test/model_detection_test.py

@@ -112,6 +112,17 @@ def _make_pid_v1_5_sd(latent_proj_channels=16):
     return sd
 
 
+def _make_joyimage_edit_plus_sd():
+    sd = {
+        "img_in.weight": torch.empty(4096, 16, 1, 2, 2, device="meta"),
+        "condition_embedder.time_embedder.linear_1.weight": torch.empty(1, device="meta"),
+        "double_blocks.0.attn.img_attn_q_norm.weight": torch.empty(128, device="meta"),
+    }
+    for i in range(40):
+        sd[f"double_blocks.{i}.attn.img_attn_qkv.weight"] = torch.empty(1, device="meta")
+    return sd
+
+
 def _add_model_diffusion_prefix(sd):
     return {f"model.diffusion_model.{k}": v for k, v in sd.items()}
 
@@ -258,6 +269,26 @@ class TestModelDetection:
         assert processed["pixel_blocks.0.adaLN_modulation_msa.bias"].shape == (12288,)
         assert processed["pixel_blocks.0.adaLN_modulation_mlp.bias"].shape == (12288,)
 
+    def test_joyimage_edit_plus_detection(self):
+        sd = _make_joyimage_edit_plus_sd()
+        unet_config = detect_unet_config(sd, "")
+
+        assert unet_config == {
+            "image_model": "joyimage",
+            "in_channels": 16,
+            "hidden_size": 4096,
+            "patch_size": [1, 2, 2],
+            "num_layers": 40,
+            "num_attention_heads": 32,
+            "text_dim": 4096,
+        }
+        assert type(model_config_from_unet_config(unet_config, sd)).__name__ == "JoyImage"
+
+    def test_incomplete_joyimage_signature_is_not_detected(self):
+        sd = _make_joyimage_edit_plus_sd()
+        del sd["double_blocks.0.attn.img_attn_q_norm.weight"]
+        assert detect_unet_config(sd, "") is None
+
     def test_unet_config_and_required_keys_combination_is_unique(self):
         """Each model in the registry must have a unique combination of
         ``unet_config`` and ``required_keys``. If two models share the same