transformers safetensors llama text-generation merge mergekit lazymergekit deepseek-ai/deepseek-math-7b-rl deepseek-ai/deepseek-math-7b-instruct conversational base_model:deepseek-ai/deepseek-math-7b-instruct base_model:merge:deepseek-ai/deepseek-math-7b-instruct base_model:deepseek-ai/deepseek-math-7b-rl base_model:merge:deepseek-ai/deepseek-math-7b-rl autotrain_compatible text-generation-inference endpoints_compatible region:us