Less than 24 hours after news broke that OpenAI would stagger its next model release at the request of the Trump administration, that model, GPT-5.6, is here. On Friday, the company unveiled the limited preview of its new GPT 5.6 model suite: Sol, the flagship; Terra, a medium-tier model for “high-volume work”; and Luna, a “fast and affordable” everyday model. OpenAI says it’s especially skilled at coding, cybersecurity, and biology, as well as staying focused during long-horizon agentic AI tasks.
Per million tokens, GPT-5.6 Sol is priced at $5 input / $30 output (nearly half the cost of Anthropic’s Claude Fable 5, which is $10 input / $5 …
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