Epic confirms Claude Code and Codex help build Unreal Engine, fixing decade-old bugs
emmanuelvivier · x · 2026-10-29
- Epic VP of development Marcus Wassmer confirmed the studio is "definitely using AI to develop code and features for Unreal Engine," with Claude Code and Codex reportedly fixing bugs a decade old.
- Benefits cited include faster feature development and engineers exploring ideas they never had time for.
- CEO Tim Sweeney said this month Epic is retooling for "maximum AI acceleration," and the updated games launcher was "vibe coded."
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