OpenAI to launch GPT-5.6 on Thursday
OpenAI is launching its new GPT-5.6 model series this week, featuring three new models with varying capabilities.

What happened?
OpenAI will launch its new AI model series, GPT-5.6, this Thursday, 10 July 2026. The series consists of three models: Sol, the flagship model; Terra, a mid-sized model for daily use; and Luna, a fast and cost-effective alternative. OpenAI initially offered early access to a select group of US partners.
Key facts
| Lanseringsdatum | 10 juli 2026 |
|---|---|
| Antal modeller i serien | 3 |
| Flaggskeppsmodell | Sol |
”GPT-5.6 Sol, along with Terra and Luna, will launch publicly this Thursday. We’re expanding preview access globally now.”
Why it matters
The launch of a new generation of OpenAI models, particularly the flagship model Sol, represents a significant development in generative AI. These models are expected to offer new capabilities and could impact a range of fields, from software development to everyday tasks.
Who is affected?
Developers, companies building AI applications, and users of AI-driven services are the primary target segments. Specifically, companies working in software security may also be affected, as the model is claimed to be capable of identifying vulnerabilities in code.
Impact on the EU
Global early access has been expanded. The public launch on Thursday, 10 July 2026, is global, meaning the models will be available to users and developers within the EU at the same time as the rest of the world.
What else you should know
Initially, early access to GPT-5.6 was shared only with US partners at the request of Washington. Global early access was expanded recently.
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