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Crab

Open benchmark framework for testing how well multimodal language model agents handle tasks that span more than one environment.

PricingFree
Free planYes
UrduLimited / no

Best for: AI researchers evaluating multimodal agents

Visit Crab

CRAB is an academic project that provides a benchmark for measuring how well multimodal language model agents perform when a task stretches across more than one environment. It comes from a team of researchers at several universities and labs, with a paper and code released publicly.

It is mainly useful for researchers and developers who build agents and want a consistent way to test and compare them. The project is free, and the code can be downloaded and extended.

Key features

  • Cross-environment agent tasks
  • Multimodal agent evaluation
  • Paper and code available
  • Free and open

Prices and features change often; check the official website for the latest plans. Last updated September 24, 2026.

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