Anthropic
Claude Sonnet 5.5 (Default Fallback)
ReasoningClosed weights
- Intelligence
- 40.8
- Rank 60 of 744 measured models
- Output speed
- 94.7 t/s
- Rank 180 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
- $0.483
- Rank 102 of 193 measured models
Claude Sonnet 5.5 (Medium, Default Fallback) scores 40.8 on the Artificial Analysis Intelligence Index, ranking 60th of 744 measured models. The closest models on this index are Ling 3.1 Flash (41.1), Gemini 3.8 Flash (40.9), and Claude Opus 4.7 (40.7). At $4 per million tokens (3:1 input/output blended price), it is cheaper than Claude Opus 4.7 ($10), more expensive than Ling 3.1 Flash ($0.45) and Gemini 3.8 Flash ($1.50). With an output speed of 94.7 t/s, it is faster than Claude Opus 4.7 (52.9 t/s), slower than Ling 3.1 Flash (211 t/s) and Gemini 3.8 Flash (140 t/s).
Models at a similar level
The closest models on the Intelligence Index, one configuration per family.
- Ling 3.1 Flash
InclusionAI · $0.45 · 211 t/s
41.1+0.3$0.45211 t/sCompare - Gemini 3.8 Flash
Google · $1.50 · 140 t/s
40.9+0.1$1.50140 t/sCompare - Claude Opus 4.7
Anthropic · $10 · 52.9 t/s
40.7−0.1$1052.9 t/sCompare - Qwen3.8 Max
Alibaba · $3 · 40.1 t/s
40.2−0.6$340.1 t/sCompare
