Anthropic
Claude Sonnet 5.5 (Default Fallback)
ReasoningClosed weights
- Intelligence
- 35.9
- Rank 87 of 744 measured models
- Output speed
- 92.4 t/s
- Rank 191 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
- $0.345
- Rank 91 of 193 measured models
Claude Sonnet 5.5 (Low, Default Fallback) scores 35.9 on the Artificial Analysis Intelligence Index, ranking 87th of 744 measured models. The closest models on this index are DeepSeek V4 Pro 0813 (36.0), Agnes 3.0 Flash (35.5), and Agnes 2.5 Pro Beta (35.2). At $4 per million tokens (3:1 input/output blended price), it is more expensive than DeepSeek V4 Pro 0813 ($1.98), Agnes 3.0 Flash ($0.075), and Agnes 2.5 Pro Beta ($0.15). With an output speed of 92.4 t/s, it is faster than DeepSeek V4 Pro 0813 (83.3 t/s), slower than Agnes 2.5 Pro Beta (120 t/s).
Models at a similar level
The closest models on the Intelligence Index, one configuration per family.
- DeepSeek V4 Pro 0813
DeepSeek · $1.98 · 83.3 t/s
36.0+0.1$1.9883.3 t/sCompare - Agnes 3.0 Flash
Sapiens AI · $0.075 · —
35.5−0.4$0.075—Compare - Agnes 2.5 Pro Beta
Sapiens AI · $0.15 · 120 t/s
35.2−0.7$0.15120 t/sCompare - DeepSeek V4 Flash Vision (Max)
DeepSeek · $0.66 · 173 t/s
34.8−1.1$0.66173 t/sCompare
