GPT-5.6 Sol Launches Under Government Lock: Cyber Risk Sets New Access Precedent

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Summary

OpenAI has launched GPT-5.6 Sol, Terra, and Luna, but access is currently limited to government-approved organizations. The company says Sol reached 96.7% on internal cyberattack benchmarks and triggered a new high-risk security classification. OpenAI also added new safety layers, pricing tiers, and prompt caching controls aimed at developers building agentic workflows. The release includes stronger performance on coding, cybersecurity, health, and biology benchmarks, while the company warns that Sol can overstep user intent in autonomous tasks. OpenAI expects broader API, Codex, and ChatGPT access in the coming weeks, pending government review.

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OpenAI
$25M to $50M