OpenAI rolls out unlimited text chats to free users and introduces GPT-5.6 Luna and Sol models with adjustable reasoning sliders, while reducing factual errors by 62–68% versus GPT-5.5-Instant.
OpenAI reduces GPT-5.6 Luna costs by 80% and Terra by 20%, while launching Fast mode for GPT-5.6 Sol to deliver 2.5× faster inference at doubled pricing.
OpenAI is restricting access to its next-generation models to a government-vetted customer list, marking a shift toward conditional AI deployment in the US.
OpenAI unveiled GPT-5.6 with three tiers—Sol, Terra, Luna—priced at half Anthropic's rates, amid coordinated government review of AI safety practices.
OpenAI begins limited preview of three new models in the GPT-5.6 series, with Sol as the flagship offering enhanced agentic capabilities and a reinforced safety framework.
The Trump administration has requested OpenAI delay GPT-5.6's public launch, requiring federal approval for enterprise access—a more lenient approach than the restrictions placed on Anthropic.
The Trump administration is requiring OpenAI to gate access to its newest model and submit it for federal testing before public availability.