transformers safetensors tinyllava text-generation pruna-ai custom_code base_model:jiajunlong/TinyLLaVA-OpenELM-450M-CLIP-0.55B base_model:quantized:jiajunlong/TinyLLaVA-OpenELM-450M-CLIP-0.55B autotrain_compatible 4-bit bitsandbytes region:us