transformers gguf chat TensorBlock GGUF text-generation en base_model:danieldk/Qwen2.5-1.5B-Instruct-w8a8-int-dynamic-weight base_model:quantized:danieldk/Qwen2.5-1.5B-Instruct-w8a8-int-dynamic-weight license:apache-2.0 endpoints_compatible region:us conversational