OpenAI releases GPT-5.6 to everyone after the US government signed off
OpenAI has made GPT-5.6 publicly available after receiving approval from the Trump administration. The release ends weeks in which the model was restricted to a small group of government-vetted partners, CNBC reports.
The model family comes in three tiers. Sol is the flagship, Terra a lower-cost enterprise option, and Luna the fastest and cheapest.
OpenAI says Sol delivers 54% greater token efficiency on agentic coding tasks, putting it level with or ahead of rivals. Its strengths in coding, biology, and cybersecurity were exactly what drew federal scrutiny in the first place.
The review ran through the Commerce Department’s Center for AI Standards and Innovation. Commerce Secretary Howard Lutnick, Treasury Secretary Scott Bessent, and National Cyber Director Sean Cairncross were involved, in what OpenAI described as a “collaborative back and forth”.
Sam Altman said OpenAI made “many changes” during the talks, and sent technical staff to Washington to answer the...
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