OpenAI Unlocks Unlimited ChatGPT Chats for Free Users

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- OpenAI removed text-based chat limits for all free-tier ChatGPT users, enabling unlimited conversations starting next week
- OpenAI introduced GPT-5.6 Luna as the default model for Free and Go users, replacing GPT-5.5, with internal tests showing 62% fewer factual errors
- ChatGPT Plus and Pro users gain access to the upgraded GPT-5.6 Sol model optimized for quick tasks, delivering more compact and robust responses
- ChatGPT Free and Go users will receive a new 'Think' button allowing higher reasoning power for complex queries, rolling out this week
- ChatGPT Plus and Pro users are getting a thinking slider to adjust the model's reasoning depth based on query complexity, available today
Why it matters: Free users now get unlimited text chats and advanced reasoning tools previously reserved for paid tiers, materially lowering barriers to high-quality AI interaction. With GPT-5.6 Luna cutting factual errors by over 60%, OpenAI strengthens its position as usage crosses 1 billion weekly users—raising competitive pressure on rivals offering limited free access.

