ColGranite 4.1-4B — LoRA Adapter
Late-interaction (ColBERT-style) visual retrieval adapter on top of
ibm-granite/granite-vision-4.1-4b.
Contents
adapter_config.json,adapter_model.safetensors— LoRA adapter (text-decoder projections)col_linear_head.pt— the trained 2560 to 128 projection head (REQUIRED for retrieval)- processor / tokenizer files
Usage
Rebuild the ColGranite wrapper, attach this adapter to the inner model with
PeftModel.from_pretrained(...), then load col_linear_head.pt into the projection head.
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Base model
ibm-granite/granite-vision-4.1-4b