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.
5 of 78 model versions
| Model | Levels the provider states it reached | Outside testers | Incidents naming it |
|---|---|---|---|
| Claude Haiku 5.5 Anthropic |
Autonomy-1; CB-1 | None named | None |
| Claude Sonnet 5.5 Anthropic · 28 September 2026 |
Autonomy-1; CB-1 | None named | None |
| Claude Opus 5.5 Anthropic · 22 September 2026 |
CB-1 | 10a Labs, CAISI (NIST), Dyno Therapeutics, Epoch AI and 5 more, Academic | None |
| Claude Opus 5 Anthropic · 24 July 2026 |
CB-1 | Dyno Therapeutics, Epoch AI, Gray Swan, Hugging Face and 3 more, Academic | None |
| Claude Opus 4.6 Anthropic |
ASL-3 | Andon Labs, Apollo Research, CAISI (NIST), Epoch AI and 6 more | 1 incident AI acting on its own |