gguf llama transformer 8b 4bit instruction-tuning conversational llama3 meta text-generation en dataset:0xroyce/Plutus base_model:meta-llama/Llama-3.1-8B-Instruct base_model:quantized:meta-llama/Llama-3.1-8B-Instruct license:llama3.1 endpoints_compatible region:us