OpenAI Unveils GPT-6 Guide, Empowering Developers with AI Capabilities
OpenAI has released a comprehensive guide for its GPT-6 family of models, aimed at developers and startups looking to leverage AI capabilities. The document outlines four models within the GPT-6 lineup, each with varying levels of workload and reasoning capability.
The top-tier model is Astra, launched on September 3, 2026, which boasts state-of-the-art performance in areas like coding and science, achieving a 98% score on FrontierMath Tier 4 and 99.9% on ARC-AGI-3.
Sol and Luna, released on September 22, 2026, offer a more affordable option, with API rates 50% lower than their GPT-5.6 counterparts. Sol costs $2 per million input tokens and $10 per million output tokens, while Luna is significantly cheaper at $0.10 per million input tokens and $0.50 per million output tokens.
The guide also covers adjustable reasoning effort, prompt improvement, skills, tool coordination, and production preparation, as well as features like asynchronous tool calling and enhanced caching to support rapid iteration and smoother deployment across different industries.