gguf quantized 2-bit 3-bit 4-bit 5-bit 6-bit 8-bit GGUF text-generation base_model:Thamed-Chowdhury/qwen-2.5-7B-DPO-split1-16bit-chunk34 base_model:quantized:Thamed-Chowdhury/qwen-2.5-7B-DPO-split1-16bit-chunk34 region:us imatrix conversational