transformers safetensors internvl_chat feature-extraction internvl vision ocr multi-image video custom_code image-text-to-text multilingual arxiv:2312.14238 arxiv:2404.16821 arxiv:2306.00978 base_model:OpenGVLab/InternVL-Chat-V1-5 base_model:quantized:OpenGVLab/InternVL-Chat-V1-5 license:mit region:us