transformers gguf llama text-generation GGUF conversational en dataset:cerebras/SlimPajama-627B dataset:bigcode/starcoderdata dataset:HuggingFaceH4/ultrachat_200k dataset:HuggingFaceH4/ultrafeedback_binarized license:apache-2.0 autotrain_compatible text-generation-inference endpoints_compatible region:us