transformers gguf axolotl generated_from_trainer cosmopedia khanacademy mistral 7b en dataset:HuggingFaceTB/cosmopedia base_model:MaziyarPanahi/Mistral-7B-Instruct-KhanAcademy-v0.2 base_model:quantized:MaziyarPanahi/Mistral-7B-Instruct-KhanAcademy-v0.2 license:apache-2.0 endpoints_compatible region:us imatrix conversational