Noometry

Model comparison

Claude 3.7 Sonnet vs Claude Opus 4.7

Claude Opus 4.7 is the stronger model overall, scoring 58.3 to 39.5 on the Noometry Index.

Last verified . 30 shared benchmarks.

Claude 3.7 Sonnet Anthropic

39.5

Rank #164 Confirmed

Claude Opus 4.7 Anthropic

58.3

Rank #19 Confirmed

Summary

  • They share 30 benchmarks with published results for both. Claude 3.7 Sonnet scores higher in 1 category and Claude Opus 4.7 in 9 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Opus 4.7 leads 53.8 to 18.6.
  • The biggest single-benchmark swing is ARC-AGI-2: 0.9% for Claude 3.7 Sonnet and 75.8% for Claude Opus 4.7.

Side by side

Claude 3.7 SonnetClaude Opus 4.7
ProviderAnthropicAnthropic
Noometry Index39.558.3
Released2025-02-242026-04-14
WeightsProprietaryProprietary
Context window—1M
Max output—128K
Input $ / M tokens—$5
Output $ / M tokens—$25
Results tracked5866

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Category by category

Coding Claude Opus 4.7 leads

Claude 3.7 Sonnet: 40.6 (#136), Claude Opus 4.7: 59.6 (#13)

BenchmarkClaude 3.7 SonnetClaude Opus 4.7
SWE-bench Verified61%83.5%
GSO3.8%44.1%
LMArena Coding13611518
FrontierCode—38.5%
SWE-bench Verified (bash only)52.8%—
Aider Polyglot64.9%—
LMArena WebDev—1558
SciCode—54.5%
WeirdML—76.4%
LiveBench Coding74.5%—
MirrorCode—31.1%
CadEval54%—
ALE-Bench—1,323

Agentic & Tool Use Claude Opus 4.7 leads

Claude 3.7 Sonnet: 34.1 (#50), Claude Opus 4.7: 47.9 (#10)

BenchmarkClaude 3.7 SonnetClaude Opus 4.7
Terminal-Bench—80.2%
APEX-Agents—49.2%
OSWorld 2.0—18.2%
TheAgentCompany30.9%—
τ²-bench Banking—40.2%
Cybench20%—
DeepResearch Bench43.6%—
OSWorld35.8%—
PostTrainBench—28.6%
ExploitBench—26.5%
GBAEval—43.8%
GDP.pdf—21%
LMArena Search—1233
METR Time Horizons60%—
Vending-Bench 2—10,937

Reasoning Claude Opus 4.7 leads

Claude 3.7 Sonnet: 18.6 (#277), Claude Opus 4.7: 53.8 (#29)

BenchmarkClaude 3.7 SonnetClaude Opus 4.7
ARC-AGI-20.9%75.8%
SimpleBench46.4%61.7%
ARC-AGI-128.6%93.5%
LMArena Hard Prompts13331506
Epoch Capabilities Index141.16156.25
ForecastBench61.860.3
Kagi LLM Benchmark—80.7%
NYT Connections (extended)—39%
CritPt—12%
Chess Puzzles—30%
EnigmaEval4.2%—
Thematic Generalization—72.8%
EBR-Bench—19%
LiveBench Reasoning87.8%—
Mystery Game Puzzles—28%
DTBench—94.7%
LiveBench Data Analysis74%—
LMCA—52.2%
LiveBench76.1%—

Math Claude Opus 4.7 leads

Claude 3.7 Sonnet: 37.5 (#153), Claude Opus 4.7: 66.7 (#26)

BenchmarkClaude 3.7 SonnetClaude Opus 4.7
OTIS Mock AIME 2024-202557.8%97.8%
LMArena Math13371499
FrontierMath (Feb 2025 set)4.1%43.8%
FrontierMath (Tiers 1-3)—70.2%
FrontierMath Tier 4—31.7%
MathArena Final-Answer Competitions—73.6%
ProofBench—54%
Omni-MATH33%—
LiveBench Math79%—
MATH Level 591.2%—
FrontierMath Tier 4 (v1)—22.9%

Knowledge Claude Opus 4.7 leads

Claude 3.7 Sonnet: 39.8 (#130), Claude Opus 4.7: 62.6 (#23)

BenchmarkClaude 3.7 SonnetClaude Opus 4.7
GPQA Diamond79.7%90.2%
Humanity's Last Exam8%36.2%
LMArena Expert13211521
SimpleQA Verified—51.7%
MMLU-Pro78.4%—
Confabulations14.7%—
Vectara Hallucination Rate—12%
GPQA (HELM)60.8%—

Multimodal Claude Opus 4.7 leads

Claude 3.7 Sonnet: 33.7 (#95), Claude Opus 4.7: 41.2 (#38)

BenchmarkClaude 3.7 SonnetClaude Opus 4.7
LMArena Vision11691316
GeoBench68%—
VPCT39%—
Blueprint-Bench 2—24.5%
Furniture Assembly—33.3%
LMArena Document—1495
SpatialViz-Bench33.9%—

Multilingual Claude Opus 4.7 leads

Claude 3.7 Sonnet: 44.1 (#179), Claude Opus 4.7: 57.3 (#10)

BenchmarkClaude 3.7 SonnetClaude Opus 4.7
LMArena Non-English12961480
LMArena Chinese12991531
LMArena French13031503
LMArena German13011495
LMArena Japanese12671472
LMArena Korean12491464
LMArena Russian13111494
LMArena Spanish12981495

Instruction Following Claude Opus 4.7 leads

Claude 3.7 Sonnet: 72.9 (#125), Claude Opus 4.7: 78.4 (#10)

BenchmarkClaude 3.7 SonnetClaude Opus 4.7
LMArena Instruction Following13521498
LiveBench Instruction Following81.3%—
IFEval83.4%—

Long Context Claude 3.7 Sonnet leads

Claude 3.7 Sonnet: 50.3 (#10), Claude Opus 4.7: 46.2 (#25)

BenchmarkClaude 3.7 SonnetClaude Opus 4.7
LMArena Longer Query13731505
Fiction.LiveBench83.3%—

Writing & Preference Claude Opus 4.7 leads

Claude 3.7 Sonnet: 54.4 (#150), Claude Opus 4.7: 75.1 (#8)

BenchmarkClaude 3.7 SonnetClaude Opus 4.7
LMArena Text13141490
LMArena Creative Writing13321486
EQ-Bench Creative Writing14121914
LMArena Multi-Turn13391505
Short-Story Creative Writing81.1%—
WildBench81.4%—
EQ-Bench 4—1311
LiveBench Language59.9%—

Frequently asked questions

Is Claude 3.7 Sonnet better than Claude Opus 4.7?

Claude Opus 4.7 is the stronger model overall, scoring 58.3 to 39.5 on the Noometry Index.

Is Claude 3.7 Sonnet or Claude Opus 4.7 better for coding?

Claude Opus 4.7 scores higher on coding benchmarks: 59.6 versus 40.6 in the Noometry coding category.

How many benchmarks do Claude 3.7 Sonnet and Claude Opus 4.7 share?

30 benchmarks have published results for both models. Claude 3.7 Sonnet has 58 scored results on Noometry and Claude Opus 4.7 has 66.

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