GPT-6 Astra Beats Portal in 24 Hours

OpenAI's GPT-6 Astra autonomously completed Valve's Portal in 24 hours, using 3,336 tool calls at a cost of $571.18. Enthusiast CozyBlaze covered the expense through a $200 Codex Pro subscription. OpenAI released GPT-6 Astra on September 3 at $10 per million input tokens and $50 per million output.