gpt-5.6 preview

OpenAI is preparing broader GPT-5.6 availability as early as the week of July 6, 2026, after placing its Sol, Terra, and Luna models in a limited Codex and API preview for approved partners, according to TestingCatalog and OpenAI’s own help-center materials. The more interesting story is not...

OpenAI began a limited preview of GPT-5.6 on June 26, 2026, introducing three enterprise-oriented models—Sol, Terra, and Luna—through restricted API and Codex access for selected trusted partners before broader ChatGPT, Codex, and API availability. The headline is not simply that another...

Microsoft-backed OpenAI previewed GPT-5.6 Sol, Terra, and Luna on June 26, 2026, limiting access through the API and Codex to a small group of trusted organizations after coordination with the U.S. government. The launch is less a normal model release than a public demonstration of the new...

OpenAI launched GPT-5.6 on Friday, June 26, 2026, as a limited United States-only preview for roughly 20 government-approved partners, after the Trump administration asked the company to restrict access to its newest model family over national security and cybersecurity concerns. The launch is...

OpenAI launched GPT-5.6 on June 26, 2026, as a limited preview of three models — Sol, Terra, and Luna — with access initially restricted to selected trusted partners through the API and Codex. The headline is not merely that OpenAI has a stronger model. It is that the strongest consumer-facing...

The Trump administration has asked OpenAI to limit the initial release of GPT-5.6 in June 2026 to a small group of government-approved partners, reportedly requiring access to be cleared customer by customer before a broader public rollout. That is not just a delay in the ChatGPT upgrade cycle...