OpenAI releases new GPT-5.6 model to select partners
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ByAlexandra Kelley,
Staff Correspondent, Nextgov/FCW
June 26, 2026 04:33 PM ET
The approach is similar to Anthropic’s Project Glasswing and follows a Trump administration request that the company limit access.
OpenAI is offering a limited preview of its new GPT-5.6 model series to select partners, part of an “ongoing engagement with the U.S. government” as Washington and leading artificial intelligence developers try to strike a balance between tech innovation and safety.
Three models in the company’s GPT-5.6 series — Sol, Terra and Luna — will initially be available to select partners following conversations and previews with government officials, OpenAI said in its Friday announcement.
That initially limited rollout follows a request made by the federal government. During the narrow preview period, OpenAI will test model capabilities and coordinate with collaborating partners before making it more broadly available. General access to the...
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