Model comparison

Claude 3.7 Sonnet vs Claude Opus 4.1

Claude Opus 4.1 is the stronger model overall, scoring 41.0 to 39.5 on the Noometry Index.

Last verified . 32 shared benchmarks.

Claude 3.7 Sonnet Anthropic

39.5

Rank #164 Confirmed

Claude Opus 4.1 Anthropic

41.0

Rank #142 Confirmed

Summary

  • They share 32 benchmarks with published results for both. Claude 3.7 Sonnet scores higher in 3 categories and Claude Opus 4.1 in 7 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude 3.7 Sonnet leads 37.5 to 22.3.
  • The biggest single-benchmark swing is Cybench: 20% for Claude 3.7 Sonnet and 42% for Claude Opus 4.1.

Side by side

Claude 3.7 Sonnet and Claude Opus 4.1 specifications
Claude 3.7 SonnetClaude Opus 4.1
ProviderAnthropicAnthropic
Noometry Index39.541.0
Released2025-02-242025-08-05
WeightsProprietaryProprietary
Context window—200K
Max output—32K
Input $ / M tokens—$15
Output $ / M tokens—$75
Results tracked5848

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Claude Opus 4.1 leads

Claude 3.7 Sonnet: 40.6 (#136), Claude Opus 4.1: 44.4 (#73)

Coding benchmarks
BenchmarkClaude 3.7 SonnetClaude Opus 4.1
SWE-bench Verified61%73.3%
LMArena Coding13611479
SWE-bench Verified (bash only)52.8%—
Aider Polyglot64.9%—
LMArena WebDev—1390
GSO3.8%—
WeirdML—45.9%
LiveBench Coding74.5%—
CadEval54%—
ALE-Bench—674.77
AlgoTune—1.34

Agentic & Tool Use Too close to call

Claude 3.7 Sonnet: 34.1 (#50), Claude Opus 4.1: 35.0 (#41)

Agentic & Tool Use benchmarks
BenchmarkClaude 3.7 SonnetClaude Opus 4.1
Cybench20%42%
DeepResearch Bench43.6%48.3%
METR Time Horizons60%66.8%
Terminal-Bench—38%
GDPval—43.6%
TheAgentCompany30.9%—
OSWorld35.8%—
LMArena Search—1148

Reasoning Claude Opus 4.1 leads

Claude 3.7 Sonnet: 18.6 (#277), Claude Opus 4.1: 32.2 (#76)

Reasoning benchmarks
BenchmarkClaude 3.7 SonnetClaude Opus 4.1
SimpleBench46.4%60%
EnigmaEval4.2%7.2%
LMArena Hard Prompts13331443
Epoch Capabilities Index141.16144.12
ForecastBench61.862
ARC-AGI-20.9%—
ARC-AGI-128.6%—
Chess Puzzles—7%
EBR-Bench—7.9%
LiveBench Reasoning87.8%—
Mystery Game Puzzles—21%
DTBench—80%
LiveBench Data Analysis74%—
LMCA—37.1%
LiveBench76.1%—

Math Claude 3.7 Sonnet leads

Claude 3.7 Sonnet: 37.5 (#153), Claude Opus 4.1: 22.3 (#277)

Math benchmarks
BenchmarkClaude 3.7 SonnetClaude Opus 4.1
OTIS Mock AIME 2024-202557.8%68.9%
LMArena Math13371431
FrontierMath (Feb 2025 set)4.1%7.2%
FrontierMath (Tiers 1-3)—12.6%
FrontierMath Tier 4—2.4%
Omni-MATH33%—
LiveBench Math79%—
MATH Level 591.2%—
FrontierMath Tier 4 (v1)—4.2%

Knowledge Claude Opus 4.1 leads

Claude 3.7 Sonnet: 39.8 (#130), Claude Opus 4.1: 42.0 (#101)

Knowledge benchmarks
BenchmarkClaude 3.7 SonnetClaude Opus 4.1
GPQA Diamond79.7%77.3%
Humanity's Last Exam8%11.5%
Confabulations14.7%17.1%
LMArena Expert13211439
MMLU-Pro78.4%—
Vectara Hallucination Rate—11.8%
GPQA (HELM)60.8%—

Multimodal Claude 3.7 Sonnet leads

Claude 3.7 Sonnet: 33.7 (#95), Claude Opus 4.1: 26.8 (#119)

Multimodal benchmarks
BenchmarkClaude 3.7 SonnetClaude Opus 4.1
VPCT39%35%
LMArena Vision1169—
GeoBench68%—
SpatialViz-Bench33.9%—

Multilingual Claude Opus 4.1 leads

Claude 3.7 Sonnet: 44.1 (#179), Claude Opus 4.1: 52.0 (#95)

Multilingual benchmarks
BenchmarkClaude 3.7 SonnetClaude Opus 4.1
LMArena Non-English12961405
LMArena Chinese12991427
LMArena French13031431
LMArena German13011413
LMArena Japanese12671378
LMArena Korean12491380
LMArena Russian13111422
LMArena Spanish12981448

Instruction Following Claude Opus 4.1 leads

Claude 3.7 Sonnet: 72.9 (#125), Claude Opus 4.1: 75.6 (#58)

Instruction Following benchmarks
BenchmarkClaude 3.7 SonnetClaude Opus 4.1
LMArena Instruction Following13521435
LiveBench Instruction Following81.3%—
IFEval83.4%—

Long Context Claude 3.7 Sonnet leads

Claude 3.7 Sonnet: 50.3 (#10), Claude Opus 4.1: 44.5 (#63)

Long Context benchmarks
BenchmarkClaude 3.7 SonnetClaude Opus 4.1
LMArena Longer Query13731455
Fiction.LiveBench83.3%—

Writing & Preference Claude Opus 4.1 leads

Claude 3.7 Sonnet: 54.4 (#150), Claude Opus 4.1: 62.4 (#74)

Writing & Preference benchmarks
BenchmarkClaude 3.7 SonnetClaude Opus 4.1
LMArena Text13141419
LMArena Creative Writing13321412
Short-Story Creative Writing81.1%84.7%
LMArena Multi-Turn13391444
EQ-Bench Creative Writing1412—
WildBench81.4%—
LiveBench Language59.9%—

Frequently asked questions

Is Claude 3.7 Sonnet better than Claude Opus 4.1?

Claude Opus 4.1 is the stronger model overall, scoring 41.0 to 39.5 on the Noometry Index.

Is Claude 3.7 Sonnet or Claude Opus 4.1 better for coding?

Claude Opus 4.1 scores higher on coding benchmarks: 44.4 versus 40.6 in the Noometry coding category.

How many benchmarks do Claude 3.7 Sonnet and Claude Opus 4.1 share?

32 benchmarks have published results for both models. Claude 3.7 Sonnet has 58 scored results on Noometry and Claude Opus 4.1 has 48.

Related comparisons

Go deeper