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 latest model from OpenAI proved its mettle by tackling Valve’s iconic first-person puzzler. User cozyblaze got the AI to beat the full game in under 24 hours for less than…

Early testers spent OpenAI's launch weekend pushing GPT-6 Astra through 3D cities, playable games, Bach chorales and research papers.