Anthropic
Claude Sonnet 5.5 (Default Fallback)
ReasoningClosed weights
- Intelligence
- 46.8
- Rank 30 of 744 measured models
- Output speed
- 91.8 t/s
- Rank 192 of 403 measured models
- Price/1M
- $4
- Rank 532 of 659 measured models
- Context window
- 1M
- Rank 84 of 1199 measured models
- Cost per task
- $0.884
- Rank 123 of 193 measured models
Claude Sonnet 5.5 (High, Default Fallback) scores 46.8 on the Artificial Analysis Intelligence Index, ranking 30th of 744 measured models. The closest models on this index are GPT-5.6 Sol (47.0), Grok 4.7 (46.4), and MiMo-V2.6-Pro (46.3). At $4 per million tokens (3:1 input/output blended price), it is cheaper than GPT-5.6 Sol ($8), more expensive than Grok 4.7 ($3) and MiMo-V2.6-Pro ($0.544). With an output speed of 91.8 t/s, it is faster than GPT-5.6 Sol (85.8 t/s), Grok 4.7 (78.7 t/s), and MiMo-V2.6-Pro (45.8 t/s).