ToolsThe story, in brief
Improving GPT-5.6 Sol in ChatGPT—and expanding access for free users
OpenAI just expanded free-tier access to its newest models. Here's what changes for practitioners.
The KeyNews take
Why it matters
ChatGPT's model refresh (GPT-5.6 Sol with improved accuracy) combined with free-tier expansion shifts the competitive moat — practitioners now have more capability at $0, changing calculus for tool adoption and budget planning.
The key facts
4 to knowGPT-5.6 Sol introduced with improved accuracy and consistency
GPT-5.6 Luna available for unlimited everyday chats on free tier
Expanded access for free users announced
Published Aug 6, 2026
Go to the source
OpenAI Blogopenai.com
Publisher excerpt: ChatGPT introduces improved GPT-5.6 Sol with better accuracy and consistency, plus expanded access for free users and unlimited everyday chats with GPT-5.6 Luna.