OpenAI releases its most powerful AI model to just 20 partners, each one approved by the US government

https://media.thenextweb.com/2026/06/openai-gpt-5-6-sol-limited-preview-government-approved-partners.avif

TL;DR

OpenAI released Sol, its most powerful model, to about 20 government-approved partners under Trump’s AI order.

OpenAI has released GPT-5.6 Sol, its most powerful model, to roughly 20 partners whose names were individually approved by the US government. The release is the first time an American AI company has launched a frontier model under a government-managed access list, a step beyond the voluntary pre-release review framework Trump’s AI executive order established on June 2.

Sol is the most capable model in a new three-tier series that also includes Terra, a mid-range option, and Luna, which is optimized for speed and cost. OpenAI described Sol as excelling at coding, biology, and cybersecurity, and introduced a new “max reasoning effort” mode that gives the model extended time to work through complex problems. The company plans to add an “ultra” mode that splits tasks among multiple sub-agents.

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