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.
15 of 78 model versions
| Model | Levels the provider states it reached | Outside testers | Incidents naming it |
|---|---|---|---|
| Gemini 4 Argon Google DeepMind |
Stealth and situational awareness TCL (Tracked Capability Level) | None named | None |
| 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 |
| GPT-6 Astra OpenAI · 3 September 2026 |
High; Critical | Epoch AI, Irregular, Redwood Research, SecureBio and 1 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 |
| Muse Spark 1.1 Meta |
Capability checkpoint | Meta AI, SecureBio | None |
| Muse Spark Contemplating Meta |
High | Meta AI | None |
| 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 |
| 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 |
| 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 |