ChatGPT Update: Free Users Get Unlimited Chats & GPT-5.6

OpenAI just rolled out a major update to ChatGPT, and it's good news for everyone. Free users now get unlimited text chats, powered by GPT-5.6 Luna. Plus and Pro users also see improvements with GPT-5.6 Sol. What's new? Both versions offer more accurate answers. Internal testing showed a significant reduction in factual errors. GPT-5.6 Luna for free users can be prompted for deeper reasoning with a new "Think" button. Paid users get an effort slider to control how much "thinking effort" the model uses for each response. The bottom line is that ChatGPT is becoming more reliable and accessible, which means better results for your research and daily tasks.