transformers safetensors mistral text-generation Safetensors text-generation-inference merge 7b mistralai/Mistral-7B-Instruct-v0.2 openchat/openchat-3.5-0106 openchat C-RLFT arxiv:2309.11235 arxiv:2303.08774 base_model:mistralai/Mistral-7B-v0.1 license:apache-2.0 autotrain_compatible endpoints_compatible has_space region:us conversational