Claude Sonnet 5.5
- Input
- $2.00/M tok
- Output
- $10/M tok
- Blended
- $4.00/M tok · 3:1
- Speed
- ~79tok/sest.
- Context
- 1Mtokens
Rankings
Benchmark scores
~ italic, dashed = no published score yet, estimated from related benchmarks.
Coding
SWE-bench VerifiedEstimated
~#2 of 14 (estimated)~93.8%
No published score — estimated from related benchmarks
DeepSWE v1.1Lab-reported
#5 of 3071.0%
- #1DeepSeek V4.1 Flash74.2%
- #2Grok 4.772.6%
- #4Muse Spark 1.371.7%
- #5Claude Sonnet 5.571.0%
- #6GPT-5.6 Terra69.6%
anthropic.com · 2026-09-28
LiveCodeBenchEstimated
~#2 of 20 (estimated)~92.2%
No published score — estimated from related benchmarks
AA Coding Agent IndexEstimated
~#4 of 15 (estimated)~61.0
- #1Claude Opus 5.566.0
- #2Claude Fable 5.162.2
- #3GPT-6 Astra61.6
- ~#4Claude Sonnet 5.5Estimated61.0
- #4Claude Opus 559.7
No published score — estimated from related benchmarks
Hard reasoning
GPQA DiamondEstimated
~#2 of 173 (estimated)~96.0%
No published score — estimated from related benchmarks
AIME (latest)Estimated
~#2 of 25 (estimated)~96.5%
No published score — estimated from related benchmarks