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.
6 of 93 model versions
| Model | Levels the provider states it reached | Outside testers | Incidents naming it |
|---|---|---|---|
| GPT-Rosalind-5.5 OpenAI · 3 June 2026 |
High | None named | None |
| GPT-5.5 Instant OpenAI |
High | None named | None |
| GPT-5.5 OpenAI · 23 April 2026 |
High | Apollo Research, CAISI (NIST), Epoch AI, Irregular and 7 more | None |
| GPT-5.4 Thinking OpenAI · 5 March 2026 |
High | Irregular | 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 |