OpenAI’s advanced GPT-5.6 models to be publicly released
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ByAlexandra Kelley,
Staff Correspondent, Nextgov/FCW
July 8, 2026 03:43 PM ET
After working alongside government partners for safety evaluations, OpenAI said it is “expanding preview access globally” for its latest powerful model series.
OpenAI announced Tuesday evening that its advanced GPT-5.6 series artificial intelligence models will be publicly available later this week.
GPT-5.6 Sol, Terra and Luna models will launch publicly on Thursday, the company said via a post on X. This update follows OpenAI’s announcement in late June that it was working with government partners to assess the safety of these models prior to their release, an approach the company does not believe “should become the long-term default,” per its statement in June.
“We’re expanding preview access globally now,” OpenAI’s post reads.
Delays to the public rollout of OpenAI’s GPT-5.6 series were due to the powerful capabilities of the...
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