ChatGPT brings unlimited text chats to free users
TechCrunch
OpenAI is removing text chat limits for free ChatGPT users and introducing new reasoning models across tiers.Summary
OpenAI announced it is removing text-based chat limits for all free users on ChatGPT. The experience will be powered by the new GPT-5.6 Luna model, which replaces GPT-5.5 as the default for Free and Go users, alongside a new "Think" button for complex queries. Meanwhile, Plus and Pro users receive an upgraded GPT-5.6 Sol model and a thinking slider to adjust reasoning depth. OpenAI internal evaluations indicate significant reductions in factual errors for both new models compared to previous versions.
(Source：TechCrunch)