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OpenAI releases GPT-5.6 Sol to 20 government-approved partners in restricted preview
OpenAI released Sol, its most powerful model, to about 20 government-approved partners under Trump’s AI order.

TL;DR
- OpenAI released GPT-5.6 Sol, its most powerful model, to approximately 20 government-approved partners.
- This is the first time a frontier AI model has been released under a government-managed access list.
- The release is a practical test of Trump's AI executive order, which allows for voluntary pre-release review.
- Sol is the top-tier model in a new series that also includes Terra and Luna.
- OpenAI expressed concerns about this type of government access process becoming the norm.
- This arrangement contrasts with Anthropic's recent experience, where the government ordered its models offline.
- Sol is also available through Amazon Bedrock.
- OpenAI plans to make all three tiers generally available in the coming weeks.