transformers safetensors qwen2 text-generation mergekit merge conversational base_model:Qwen/Qwen2.5-72B-Instruct base_model:merge:Qwen/Qwen2.5-72B-Instruct base_model:Qwen/Qwen2.5-Math-72B base_model:merge:Qwen/Qwen2.5-Math-72B license:other autotrain_compatible text-generation-inference endpoints_compatible region:us