# Sol Model

OpenAI Unveils GPT-5.6: A New Era of Guarded Innovation and Sovereign Security

OpenAI has launched the GPT-5.6 series, featuring the flagship Sol model, while implementing a restricted release strategy coordinated with the U.S. government. The new models introduce sub-agent reasoning capabilities and a high-speed hardware partnership with Cerebras, signaling a shift toward more controlled and security-conscious AI deployment.