transformer_lens.model_bridge.supported_architectures.idefics3 module

Idefics3 architecture adapter.

Supports Idefics3ForConditionalGeneration (SmolVLM lineage — e.g. ibm-granite/granite-docling-258M): a SigLIP-style vision transformer at model.vision_model, a pixel-shuffle connector at model.connector, and a llama-shaped text model at model.text_model with a top-level lm_head.

class transformer_lens.model_bridge.supported_architectures.idefics3.Idefics3ArchitectureAdapter(cfg: Any)

Bases: LlamaArchitectureAdapter

Architecture adapter for Idefics3ForConditionalGeneration models.

__init__(cfg: Any) → None

Initialize the Idefics3 architecture adapter.