OpenAI updates the default model for free users to GPT-5.6 Luna, adds unlimited text chats for free users, rolls out an improved GPT-5.6 Sol version, and more (Herb Scribner/Axios)
Free ChatGPT users are getting unlimited text chats on GPT-5.6 Luna.
OpenAI says GPT-5.6 Luna becomes the default for free users, with unlimited text chats starting tomorrow. Free and Go users also get a “Think” button for harder questions. Plus and Pro users get an updated GPT-5.6 Sol in ChatGPT, with a reasoning-effort slider. OpenAI says the new Sol produced 68% fewer factual-error responses than GPT-5.5 Instant in its high-stakes factuality evaluation. Techmeme's note
OpenAI says GPT-5.6 Luna becomes the default for free users, with unlimited text chats starting tomorrow. Free and Go users also get a “Think” button for harder questions. Plus and Pro users get an updated GPT-5.6 Sol in ChatGPT, with a reasoning-effort slider. OpenAI says the new Sol produced 68% fewer factual-error responses than GPT-5.5 Instant in its high-stakes factuality evaluation. Techmeme's note
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