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[fix] skip legacy minicpmv conv template for MiniCPM-V 4.6 (#24998)

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Yihao Wang
2026-05-12 15:27:28 +08:00
committed by GitHub
parent 7582237f8e
commit b35fd5f104
1 changed files with 10 additions and 1 deletions
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python/sglang/srt/parser/conversation.py
+10 -1
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@@ -1150,10 +1150,19 @@ def match_qwen_chat_ml(model_path: str):
@register_conv_template_matching_function @register_conv_template_matching_function
def match_minicpm(model_path: str): def match_minicpm(model_path: str):
# MiniCPM-V 4.6+ uses its own chat_template.jinja with `<|image_pad|>` and
# must NOT fall back to the legacy `minicpmv` conv template (which encodes
# the old `(<image>./</image>)` placeholder used by 2.x/4.0/4.5).
model_type = get_model_type(model_path)
if model_type == "minicpmv4_6":
return None
# For HF-hub paths (where config.json isn't on local disk yet), fall back
# to a path-version check: exclude 4.6 and later, match only legacy 2.x/4.0/4.5.
if re.search(r"minicpm-(v|o)-4[._]6", model_path, re.IGNORECASE):
return None
match = re.search(r"minicpm-(v|o)", model_path, re.IGNORECASE) match = re.search(r"minicpm-(v|o)", model_path, re.IGNORECASE)
if match: if match:
return f"minicpm{match.group(1).lower()}" return f"minicpm{match.group(1).lower()}"
model_type = get_model_type(model_path)
return MODEL_TYPE_TO_TEMPLATE.get(model_type) return MODEL_TYPE_TO_TEMPLATE.get(model_type)