vqa

Multimodal is now table stakes, and this tests whether you understand how images and text reach a shared model. The signal is CLIP's contrastive alignment and how modern VLMs feed image features into an LLM's token space.

A model that never looks at the image can score respectably on VQA, which tells you most of what you need to know about the benchmark. Here is what the scores hide, and the one-line ablation that exposes it.