Models
For each AI model version: the capability levels its provider states it reached, the outside testers who tested it, and the incidents that name it.
Also: compare models side by side · statements that a capability level was crossed · providers · practices providers document · safety news.
7 of 78 model versions
| Model | Levels the provider states it reached | Outside testers | Incidents naming it |
|---|---|---|---|
| GPT-6 Astra OpenAI · 3 September 2026 |
High; Critical | Epoch AI, Irregular, Redwood Research, SecureBio and 1 more, Academic | None |
| GPT-5.6 Sol OpenAI · 9 July 2026 |
None stated | Epoch AI, FAR.AI, Irregular, METR and 3 more, Academic | 3 incidents AI acting on its own |
| GPT-5.5 OpenAI · 23 April 2026 |
High | Apollo Research, CAISI (NIST), Epoch AI, Irregular and 7 more | None |
| GPT-5.5 Pro OpenAI · 23 April 2026 |
None stated | SecureBio | None |
| GPT-5.3-Codex OpenAI · 5 February 2026 |
High | Apollo Research, CAISI (NIST), Irregular, UK AI Security Institute | None |
| GPT-5 OpenAI |
High | Apollo Research, CAISI (NIST), Epoch AI, FAR.AI and 6 more, Academic | None |
| o3 OpenAI · 16 April 2025 |
None stated | METR, RAND (CAST / Project Canary), Redwood Research, SecureBio | None |