GPT-6 'Astra' said to beat Portal solo, dev calls for Portal 2 co-op as multiagent eval

burny_tech · x · 2026-09-07

A claim (unverified) from @cozyblazex says GPT-6, codenamed Astra, has autonomously completed Portal, echoing OpenAI's 2016 goal of 'solving a wide variety of games using a single agent.' @kalomaze argues the community really needs Portal 2 co-op as a multiagent eval, testing communication and cooperation between agents rather than solo play.

Related event: GPT-6 Astra Reportedly Beats Portal Autonomously, Nears Perfect ARC-AGI Score(4 posts)→

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