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model : add text-only support for Kimi-VL #15051

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Merged
merged 3 commits into from
Aug 3, 2025
Merged

model : add text-only support for Kimi-VL #15051

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1ffa83f
basic kimi-vl textmodel conversion
gabriellarson Aug 3, 2025
caa6e10
fix EOS
gabriellarson Aug 3, 2025
45e1884
check config["text_config"] for special tokens
gabriellarson Aug 3, 2025
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8 changes: 8 additions & 0 deletions convert_hf_to_gguf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6059,6 +6059,7 @@ def prepare_tensors(self):

@ModelBase.register("DeepseekV2ForCausalLM")
@ModelBase.register("DeepseekV3ForCausalLM")
@ModelBase.register("KimiVLForConditionalGeneration")
class DeepseekV2Model(TextModel):
model_arch = gguf.MODEL_ARCH.DEEPSEEK2

Expand Down Expand Up @@ -6161,6 +6162,13 @@ def set_gguf_parameters(self):
_experts: list[dict[str, Tensor]] | None = None

def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]:
# skip vision tensors and remove "language_model." for Kimi-VL
if "vision_tower" in name or "multi_modal_projector" in name:
return []

if name.startswith("language_model."):
name = name.replace("language_model.", "")

# rename e_score_correction_bias tensors
if name.endswith("e_score_correction_bias"):
name = name.replace("e_score_correction_bias", "e_score_correction.bias")
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6 changes: 5 additions & 1 deletion gguf-py/gguf/vocab.py
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Expand Up @@ -312,7 +312,11 @@ def _try_load_from_config_json(self, path: Path) -> bool:
with open(config_file, encoding = 'utf-8') as f:
config = json.load(f)
for typ in self.special_token_types:
self._set_special_token(typ, config.get(f'{typ}_token_id'))
token_id = config.get(f'{typ}_token_id')
# If not found at root, check in text_config (for multimodal models like Kimi-VL)
if token_id is None and 'text_config' in config:
token_id = config['text_config'].get(f'{typ}_token_id')
self._set_special_token(typ, token_id)
return True


Expand Down