transformers gguf mixtral steerlm en ja dataset:OpenAssistant/oasst2 dataset:nvidia/HelpSteer base_model:karakuri-ai/karakuri-lm-8x7b-chat-v0.1 base_model:quantized:karakuri-ai/karakuri-lm-8x7b-chat-v0.1 license:apache-2.0 endpoints_compatible region:us