OpenAI Reveals GPT-5.6 Sol Cybersecurity Model, Restricts Early Access

OpenAI has previewed GPT-5.6 Sol, a new flagship model billed as its most capable for cybersecurity, with access restricted to a small group of vetted partners at the US government's request; the announcement covers the model tiers (Sol, Terra, Luna), testing and safeguards, pricing, and planned broader availability while noting it did not autonomously produce full exploits in internal testing.