OpenAI Introduces Unlimited Text Chats for Free Users with GPT-5.6 Luna
OpenAI removed limits on text-based chats for free users, introducing the default GPT-5.6 Luna model along with a Think button for complex queries, while Plus and Pro users receive the upgraded GPT-5.6 Sol model.
Why it matters
Free users get access to unlimited text chats and advanced reasoning capabilities.
TL;DR
- 01Unlimited text chats for free users.
- 02New 'Think' button for complex questions.
- 03Upgraded GPT-5.6 Sol model for Plus and Pro users.
Model Updates and Rollout
The new GPT-5.6 Luna model powers the free experience as the default engine, replacing older checkpoints. Free users will also receive a new 'Think' button to invoke higher reasoning power for complex logic problems, while distinct limits remain active for files, images, voice, and image generation.
Plus and Pro Upgrades
Paid subscribers gain access to an upgraded GPT-5.6 Sol model engineered for quick web research, planning, and decision-making. Internal evaluations released by OpenAI indicate factual errors were reduced by 62% for GPT-5.6 Luna and 68% for GPT-5.6 Sol compared to prior baseline configurations.