OpenAI unveiled its GPT-5.6 launch on June 26, 2026 — but most users will have to wait. The company introduced three new models under the GPT-5.6 series, only to immediately restrict who can access them, following a direct request from the Trump administration. It is a strange debut for what OpenAI calls its most capable AI system to date: announced publicly, praised extensively, and then quietly placed behind a government-approved list.
Key takeaways
OpenAI’s GPT-5.6 series includes three models: Sol (flagship), Terra (balanced, 2x cheaper than GPT-5.5), and Luna (fastest and most affordable).
The Trump administration requested OpenAI stagger the release, limiting access to a small group of government-preapproved trusted partners.
A June 2 executive order mandates benchmarking and assessment of new AI models before broader release.
OpenAI has pushed back, stating the government access process should not become a long-term default.
Anthropic previously faced similar r
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