Arena.ai(@arena):At Arena, we are excited to support a healthy American OSS AI ecosystem. Competition and open progress will drive long-term innovation and benefit businesses globally. We are proud signatories of this letter.

Arena.ai

@arena

Where AI meets the real world. We measure and advance the frontier of AI through community-driven evaluation. We’re hiring →

Joined March 2023

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Arena.ai@arena

2026.07.24 19:22

At Arena, we are excited to support a healthy American OSS AI ecosystem. Competition and open progress will drive long-term innovation and benefit businesses globally. We are proud signatories of this letter.

Satya Nadella@satyanadella

2026.07.24 13:27

Open-weight models are essential to a healthy AI ecosystem. Together with others across our industry, we are outlining a path for open-weight models to strengthen American competitiveness and expand economic opportunity, while protecting national security.