[Bugfix] Register axk1 config to fix A.X-K1 init (#49727)

Signed-off-by: Djordje Ramic <djoramic@amd.com>

djramic committed Jul 24, 2026 at 21:57 UTC e222c33f2f568b54b41d2ebfc44f6c85ea072737
3 files changed +4 -3
vllm/transformers_utils/config.py
+1
@@ -72,6 +72,7 @@ class LazyConfigDict(dict):
72 _CONFIG_REGISTRY: dict[str, type[PretrainedConfig]] = LazyConfigDict(
73 afmoe="AfmoeConfig",
74 arctic="ArcticConfig",
75 + axk1="AXK1Config",
76 bagel="BagelConfig",
77 umm="CheersConfig",
78 chatglm="ChatGLMConfig",
vllm/transformers_utils/configs/AXK1.py
+1 -1
@@ -114,7 +114,7 @@ class AXK1Config(PretrainedConfig):
114 The dropout ratio for the attention probabilities.
115 """
116
117 - model_type = "AXK1"
117 + model_type = "axk1"
118 keys_to_ignore_at_inference = ["past_key_values"]
119
120 def __init__(
vllm/transformers_utils/model_arch_config_convertor.py
+2 -2
@@ -261,7 +261,7 @@ class ModelArchConfigConvertorBase:
261 if not hasattr(self.hf_text_config, "model_type"):
262 return False
263 elif self.hf_text_config.model_type in (
264 - "AXK1",
264 + "axk1",
265 "deepseek_v2",
266 "deepseek_v3",
267 "deepseek_v32",
@@ -290,7 +290,7 @@ class ModelArchConfigConvertorBase:
290 return (
291 self.hf_text_config.model.model_type
292 in (
293 - "AXK1",
293 + "axk1",
294 "deepseek_v2",
295 "deepseek_v3",
296 "deepseek_v32",