Improving GPT‑5.6 Sol in ChatGPT—and expanding access to GPT-5.6 Luna for free users
First reported · 3mo ago · 1 source
Crest summary — written by AI from the 1 source below; every figure is checked against them · model deepseek-chat
Summary
OpenAI released an improved GPT-5.6 Sol in ChatGPT and expanded free-user access to GPT-5.6 Luna.
Key facts
- OpenAI announced the update on 2026-08-06.
- ChatGPT now runs an improved GPT-5.6 Sol.
- GPT-5.6 Luna access expanded to free users.
Why it matters
People building on or buying ChatGPT get a stronger Sol model, while free users gain access to Luna, widening the pool of potential users and testers.
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Original sources (1)
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- OpenAIOfficial · PrimaryImproving GPT‑5.6 Sol in ChatGPT—and expanding access to GPT-5.6 Luna for free usersRead at OpenAI