AI
Allen Institute for AI
Multimodal model · United States ·May 2026

MolmoAct 2

Multimodal Open Source
1
Benchmarks

About MolmoAct 2

MolmoAct 2 is an AI model developed by Allen Institute for AI, in the multimodal category, released in 2026, made available as an open-source model. An open Action Reasoning Model foundation model for controlling robots in the real world, supporting single-arm and bima.

On this page you'll find MolmoAct 2's full specifications, including 1 benchmark result. Review provider pricing and benchmark scores below, or compare MolmoAct 2 head-to-head with other multimodal models.

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MolmoAct 2 benchmark scores
Benchmark Category Score Variant
LIBERO agentic 98.1%

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Frequently asked questions

What is MolmoAct 2?

An open Action Reasoning Model foundation model for controlling robots in the real world, supporting single-arm and bima It is tracked on GenAIList with its specifications, benchmark scores and provider pricing.

Who created MolmoAct 2?

MolmoAct 2 was developed by Allen Institute for AI and released in 2026.

Is MolmoAct 2 open source or proprietary?

MolmoAct 2 is released as open source — its weights are publicly available to download, run locally and fine-tune.

How much does MolmoAct 2 cost?

Pricing for MolmoAct 2 depends on the provider. See the providers table on this page for the latest API rates.

How does MolmoAct 2 perform on benchmarks?

MolmoAct 2 is benchmarked across 1 evaluation on GenAIList, including LIBERO (98.1%). See the full benchmark table below and compare it with other models.

Ai2 launches MolmoAct 2 for Robot Hands
MolmoAct 2 Performance: Comparing New Robotics AI
MolmoAct2: Action Reasoning Models for Real-world Deployment

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