Claude Sonnet 5.5
By Anthropic
Anthropic's balanced Sonnet model for speed and intelligence.
Variants & Performance
| Variant | Intelligence | Cost/Task | Speed | Context | Reasoning |
|---|---|---|---|---|---|
| max | 52 | - | - | 1M | Yes |
Sources
Evaluated and verified by the AI Leaderboard Intelligence Index v1.0. Last verified on 10/4/2026.