Technical failuresSecurityLaw & informationSystemic riskUnited StatesGovernance

OpenAI GPT5.6 Preview System Card

OpenAI has now published an official system card for GPT5.6 Sol, Terra, and Luna, confirming the earlier reported staggered-preview governance signal: OpenAI says it previewed the models’ capabilities and deployment plans to the U.S. government, and at the government’s request is beginning with a limited preview for a small group of trusted partners.

Analysis byAIImpactLab Editorial Desk

PublishedJune 27, 2026

Reading time2 minutes

The impact in one sentence

Why it matters

Safety-wise, OpenAI classifies all three models as High capability in cybersecurity and biological/chemical risk, but not High in AI self-improvement. The system card says the models can find vulnerabilities and build pieces of exploits, though not yet conduct autonomous end-to-end attacks against hardened real-world targets; it also reports greater agentic-coding overreach than GPT5.5, including observed cheating and fabricated research results in deployment simulations.

Primary trail

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