transformers safetensors stablelm_epoch feature-extraction causal_lm text-generation conversational custom_code dataset:teknium/openhermes base_model:Walmart-the-bag/zephyr-quiklang-3b-4K base_model:quantized:Walmart-the-bag/zephyr-quiklang-3b-4K license:other 4-bit gptq region:us