Model comparison

Claude 3.7 Sonnet vs Claude Sonnet 4.6

Claude Sonnet 4.6 is the stronger model overall, scoring 50.3 to 39.5 on the Noometry Index.

Last verified . 29 shared benchmarks.

Claude 3.7 Sonnet Anthropic

39.5

Rank #164 Confirmed

Claude Sonnet 4.6 Anthropic

50.3

Rank #50 Confirmed

Summary

  • They share 29 benchmarks with published results for both. Claude 3.7 Sonnet scores higher in 1 category and Claude Sonnet 4.6 in 9 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Sonnet 4.6 leads 46.1 to 18.6.
  • The biggest single-benchmark swing is ARC-AGI-2: 0.9% for Claude 3.7 Sonnet and 60.4% for Claude Sonnet 4.6.

Side by side

Claude 3.7 Sonnet and Claude Sonnet 4.6 specifications
Claude 3.7 SonnetClaude Sonnet 4.6
ProviderAnthropicAnthropic
Noometry Index39.550.3
Released2025-02-242026-02-17
WeightsProprietaryProprietary
Context window—1M
Max output—128K
Input $ / M tokens—$3
Output $ / M tokens—$15
Results tracked5857

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Category by category

Coding Claude Sonnet 4.6 leads

Claude 3.7 Sonnet: 40.6 (#136), Claude Sonnet 4.6: 46.3 (#67)

Coding benchmarks
BenchmarkClaude 3.7 SonnetClaude Sonnet 4.6
SWE-bench Verified61%75.2%
LMArena Coding13611504
DeepSWE—29.9%
FrontierCode—24.3%
SWE-bench Verified (bash only)52.8%—
Aider Polyglot64.9%—
LMArena WebDev—1522
SciCode—46.8%
GSO3.8%—
WeirdML—66.1%
LiveBench Coding74.5%—
CadEval54%—
ALE-Bench—1,327

Agentic & Tool Use Claude Sonnet 4.6 leads

Claude 3.7 Sonnet: 34.1 (#50), Claude Sonnet 4.6: 39.1 (#28)

Agentic & Tool Use benchmarks
BenchmarkClaude 3.7 SonnetClaude Sonnet 4.6
DeepResearch Bench43.6%54.9%
OSWorld35.8%72.1%
Terminal-Bench—53.4%
APEX-Agents—43%
OSWorld 2.0—9.3%
TheAgentCompany30.9%—
Cybench20%—
ExploitBench—23.6%
GBAEval—48.8%
GDP.pdf—18%
LMArena Search—1221
METR Time Horizons60%—
Vending-Bench 2—7,204

Reasoning Claude Sonnet 4.6 leads

Claude 3.7 Sonnet: 18.6 (#277), Claude Sonnet 4.6: 46.1 (#45)

Reasoning benchmarks
BenchmarkClaude 3.7 SonnetClaude Sonnet 4.6
ARC-AGI-20.9%60.4%
ARC-AGI-128.6%86.5%
LMArena Hard Prompts13331484
Epoch Capabilities Index141.16152.24
ForecastBench61.862
SimpleBench46.4%—
NYT Connections (extended)—80.9%
CritPt—3.1%
Chess Puzzles—13%
EnigmaEval4.2%—
Thematic Generalization—76.3%
LiveBench Reasoning87.8%—
Mystery Game Puzzles—16%
DTBench—89.9%
LiveBench Data Analysis74%—
LMCA—46.5%
LiveBench76.1%—

Math Claude Sonnet 4.6 leads

Claude 3.7 Sonnet: 37.5 (#153), Claude Sonnet 4.6: 52.9 (#49)

Math benchmarks
BenchmarkClaude 3.7 SonnetClaude Sonnet 4.6
OTIS Mock AIME 2024-202557.8%85.8%
LMArena Math13371462
FrontierMath (Feb 2025 set)4.1%32.4%
ProofBench—45%
Omni-MATH33%—
LiveBench Math79%—
MATH Level 591.2%—
FrontierMath Tier 4 (v1)—8.3%

Knowledge Claude Sonnet 4.6 leads

Claude 3.7 Sonnet: 39.8 (#130), Claude Sonnet 4.6: 51.7 (#65)

Knowledge benchmarks
BenchmarkClaude 3.7 SonnetClaude Sonnet 4.6
GPQA Diamond79.7%87.4%
LMArena Expert13211500
Humanity's Last Exam8%—
SimpleQA Verified—35.5%
MMLU-Pro78.4%—
Confabulations14.7%—
Vectara Hallucination Rate—10.6%
GPQA (HELM)60.8%—

Multimodal Claude Sonnet 4.6 leads

Claude 3.7 Sonnet: 33.7 (#95), Claude Sonnet 4.6: 38.0 (#68)

Multimodal benchmarks
BenchmarkClaude 3.7 SonnetClaude Sonnet 4.6
LMArena Vision11691283
GeoBench68%—
VPCT39%—
Blueprint-Bench 2—6.7%
LMArena Document—1482
SpatialViz-Bench33.9%—

Multilingual Claude Sonnet 4.6 leads

Claude 3.7 Sonnet: 44.1 (#179), Claude Sonnet 4.6: 54.4 (#41)

Multilingual benchmarks
BenchmarkClaude 3.7 SonnetClaude Sonnet 4.6
LMArena Non-English12961440
LMArena Chinese12991491
LMArena French13031465
LMArena German13011428
LMArena Japanese12671420
LMArena Korean12491411
LMArena Russian13111440
LMArena Spanish12981464

Instruction Following Claude Sonnet 4.6 leads

Claude 3.7 Sonnet: 72.9 (#125), Claude Sonnet 4.6: 77.4 (#25)

Instruction Following benchmarks
BenchmarkClaude 3.7 SonnetClaude Sonnet 4.6
LMArena Instruction Following13521475
LiveBench Instruction Following81.3%—
IFEval83.4%—

Long Context Claude 3.7 Sonnet leads

Claude 3.7 Sonnet: 50.3 (#10), Claude Sonnet 4.6: 45.3 (#44)

Long Context benchmarks
BenchmarkClaude 3.7 SonnetClaude Sonnet 4.6
LMArena Longer Query13731479
Fiction.LiveBench83.3%—

Writing & Preference Claude Sonnet 4.6 leads

Claude 3.7 Sonnet: 54.4 (#150), Claude Sonnet 4.6: 70.2 (#22)

Writing & Preference benchmarks
BenchmarkClaude 3.7 SonnetClaude Sonnet 4.6
LMArena Text13141458
LMArena Creative Writing13321435
EQ-Bench Creative Writing14121810
LMArena Multi-Turn13391464
Short-Story Creative Writing81.1%—
WildBench81.4%—
EQ-Bench 4—1207
LiveBench Language59.9%—

Frequently asked questions

Is Claude 3.7 Sonnet better than Claude Sonnet 4.6?

Claude Sonnet 4.6 is the stronger model overall, scoring 50.3 to 39.5 on the Noometry Index.

Is Claude 3.7 Sonnet or Claude Sonnet 4.6 better for coding?

Claude Sonnet 4.6 scores higher on coding benchmarks: 46.3 versus 40.6 in the Noometry coding category.

How many benchmarks do Claude 3.7 Sonnet and Claude Sonnet 4.6 share?

29 benchmarks have published results for both models. Claude 3.7 Sonnet has 58 scored results on Noometry and Claude Sonnet 4.6 has 57.

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