Claude Opus 5 is slowly making its way through Portal
cozyblaze · reddit · 2026-07-26
A user is running a special harness that lets Claude Opus 5 play Portal and says the model is making slow but steady progress, now reaching chamber 10.
The post links to live updates on X and a YouTube livestream, and includes progress screenshots plus an explanation image of the setup.
Related event: Claude Opus 5 Attempts to Beat the Game Portal(2 posts)→
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