GPT-6 Astra beat Portal start to finish without human help in under 24 hours

The DecoderSeptember 7, 2026en

GPT-6 Astra beat the puzzle game Portal entirely on its own in about 24 hours, with zero human help after the initial goal was set. Developer cozyblaze published the code and docs on GitHub. His takeaway: Astra is "the worst model we'll ever get." The article GPT-6 Astra beat Portal start to finish without human help in under 24 hours appeared first on The Decoder .

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