Source
Improving GPT‑5.6 Sol in ChatGPT—and expanding access to GPT-5.6 Luna for free users
OpenAI is updating ChatGPT to improve GPT-5.6 Sol for paid users and expand GPT-5.6 Luna access for free users. These updates focus on increasing factual reliability and delivering more focused responses.
Why it matters
Free users get expanded access to reasoning tools, while paid users receive more reliable answers. This improves the utility of the AI for everyday research and planning.
The details
- GPT-5.6 Sol contains 68% fewer factual errors than GPT-5.5 Instant.
- Plus and Pro users can now use a slider to adjust response depth.
- Free users get unlimited text chats and a 'Think' button next week.
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