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OpenAI acquires Ona to give its Codex coding tool the ability to run tasks over hours or days, closing the gap with Anthropic's Claude Code.

THE DECODERJun 12, 2026Send on LINE
OpenAI acquires Ona to give its Codex coding tool the ability to run tasks over hours or days, closing the gap with Anthropic's Claude Code.

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3 Key Points

  • What happened

    OpenAI is acquiring Ona, a startup founded in Germany in 2020 that builds AI agents and cloud development environments. After integration, Codex will be able to continue coding tasks over hours or days even when a user's laptop is closed, with agents running in each company's own cloud while OpenAI provides the underlying models.

  • Why it matters

    Codex is used by more than 5 million people per week—a 400 percent increase from the beginning of the year. Claude Code, made by competitor Anthropic, is currently considered the leader for long-running coding tasks, so this acquisition addresses a capability gap OpenAI needs to close.

  • What to watch

    The deal is subject to regulatory approvals. This is OpenAI's second coding-focused acquisition in recent months, following its March purchase of Astral (maker of Python tools uv and Ruff).

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