Improving GPT‑5.6 Sol in ChatGPT, and expanding access to GPT-5.6 Luna for free users
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.
Get smart on it
OpenAI announced updates to two AI models used in ChatGPT: GPT-5.6 Sol for paid users and GPT-5.6 Luna for free users. For Plus and Pro users, GPT-5.6 Sol has been improved to provide more focused answers and more reliable facts, with a new slider allowing users to control how much reasoning the model applies to each response. Free users will now have GPT-5.6 Luna as their default model with unlimited text chats and access to a new Think button for questions requiring deeper reasoning. According to internal evaluations, responses containing factual errors were significantly less common with these updated models compared to the previous version.
Related news
Meet Shepherd: An Open-Source Python Substrate That Lets Meta-Agents Fork, Replay, and Revert Any Agent Run
Long-running agents accumulate state that no transcript captures. A coding agent at step 10 holds edited files, a running dev server, installed packages, and a warm prompt cache. When it misreads a traceback and rewrites a file that was already correct, neither available recovery path is cheap: patching forward grows the context and the token bill, and restarting from step one re-pays every model and tool call while reproducing nothing exactly, because runs are non-deterministic. Jumping back t
How to Disable Gemini in Gmail and Google Docs
New AI toolbars and prompts are showing up in Google Docs and Gmail. If you don’t want Gemini’s help in writing documents and emails, here’s how to turn that stuff off.
