OpenAI's **GPT-6 Astra** has just completed a full playthrough of Valve's *Portal* — solving spatial puzzles end-to-end without human hints. This isn't a game demo; it's a live benchmark proving the model's **sequential reasoning, memory, and tool-use** in real time, signaling a massive leap for autonomous agents in production workflows.
⚡ Fast Takeaways:
- Core Update: GPT-6 Astra demonstrated real-time planning and execution by beating Portal — a first for frontier LLMs.
- Key Metrics / Specs: Zero-shot completion across all 19 chambers; sub-second reaction to portal gun mechanics; sustained context over 30-min sessions.
- Access & Availability: Rolling out to ChatGPT Enterprise and API tier-4 users now; broader access follows in the next fortnight.