OpenAI unveils GPT-5.6 Sol, Terra and Luna models — but only accessible to limited preview partners for now, per US Gov
Summary
OpenAI is launching GPT-5.6 in three variants: Sol, Terra, and Luna. Sol targets the hardest reasoning, coding, and security tasks, Terra focuses on higher-volume business workflows, and Luna serves faster, lower-cost everyday use cases. OpenAI is restricting access to a small set of preview partners for now, with a broader release planned in the coming weeks. The release also introduces new pricing, prompt caching controls, and safety layers that matter for enterprise buyers. Businesses using AI for development, cybersecurity, or high-volume automation will likely evaluate this family for cost, performance, and governance impacts.
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OpenAI
$25M to $50M