GPT-6 Astra autonomously beats Portal in about 24 hours

GPT-6 Astra autonomously completed the game Portal in roughly 24 hours, costing between $167 and nearly $600 in tokens, with the setup open-sourced. Analysts note the real challenge wasn't puzzle-solving but autonomous execution in a linear game.

2026-09-07 ~ 2026-09-08 · 3 related posts

• GPT-6 Astra beats Portal for ~$167 — the impressive part is 3D navigation, not puzzle solving — burny_tech · 2026-09-07
• Agent plays Portal to the credits: 23h43m autonomous run setup open-sourced — banteg · 2026-09-07
• Independent Researcher Gets GPT-6 Astra to Beat Portal for $600 in Tokens — yacinelearning · 2026-09-08