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ASL-3 (Opus 4, Opus 4.5, Opus 4.6), ASL-2 (Sonnet, Haiku)
Anthropic › AI Safety Level
Core Data
| Entity | Anthropic |
| Property | AI Safety Level |
| Formatted Value | ASL-3 (Opus 4, Opus 4.5, Opus 4.6), ASL-2 (Sonnet, Haiku) |
| Raw Value | ASL-3 (Opus 4, Opus 4.5, Opus 4.6), ASL-2 (Sonnet, Haiku) |
| Value Type | text |
| Unit | — |
| As Of | Feb 2026 |
| Valid End | — |
| Expired? | No |
Source
| Source URL | anthropic.com↗ |
| Source Quote | — |
| Notes | Opus 4.6 launched Feb 2026 under ASL-3; all Opus-tier models are ASL-3, Sonnet/Haiku remain ASL-2 |
Time Series (2 facts)
| As Of | Value | Source | Fact ID |
|---|---|---|---|
| Feb 2026 | ASL-3 (Opus 4, Opus 4.5, Opus 4.6), ASL-2 (Sonnet, Haiku) | anthropic.com | f_R59LmVVzcw |
| May 2025 | ASL-3 (Opus 4+), ASL-2 (Sonnet/Haiku) | anthropic.com | f_BnkEWenniQ |
Debug Info
| Fact ID | f_R59LmVVzcw |
| Subject ID | mK9pX3rQ7n |
| Property ID | safety-level |
| Derived From | — |
| YAML File | packages/kb/data/things/mK9pX3rQ7n.yaml |