Model comparison

Claude 3 Sonnet vs GPT-4o

Claude 3 Sonnet and GPT-4o score almost the same on the Noometry Index (29.0 vs 28.6), so choose on price, context window or the category you care about most.

Last verified . 29 shared benchmarks.

Claude 3 Sonnet Anthropic

29.0

Rank #319 Confirmed

GPT-4o OpenAI

28.6

Rank #324 Confirmed

Summary

  • They share 29 benchmarks with published results for both. Claude 3 Sonnet scores higher in 3 categories and GPT-4o in 6 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude 3 Sonnet leads 20.5 to 9.4.
  • The biggest single-benchmark swing is MATH Level 5: 18.2% for Claude 3 Sonnet and 53.3% for GPT-4o.

Side by side

Claude 3 Sonnet and GPT-4o specifications
Claude 3 SonnetGPT-4o
ProviderAnthropicOpenAI
Noometry Index29.028.6
Released2024-02-292024-05-13
WeightsProprietaryProprietary
Context window—128K
Max output—16K
Input $ / M tokens—$2.50
Output $ / M tokens—$10
Results tracked3072

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Category by category

Coding Claude 3 Sonnet leads

Claude 3 Sonnet: 29.6 (#302), GPT-4o: 24.8 (#328)

Coding benchmarks
BenchmarkClaude 3 SonnetGPT-4o
WeirdML10.2%25.1%
BigCodeBench Instruct42.7%51.1%
LMArena Coding12231297
BigCodeBench Complete53.8%61.1%
HumanEval+64%87.2%
MBPP+69.3%72.2%
SWE-bench Verified—31%
SWE-bench Verified (bash only)—21.6%
Aider Polyglot—45.3%
GSO—0%
LiveBench Coding—51.4%
CadEval—26%

Agentic & Tool Use Not comparable

Claude 3 Sonnet: —, GPT-4o: 21.0 (#141)

Agentic & Tool Use benchmarks
BenchmarkClaude 3 SonnetGPT-4o
GDPval—9.9%
TheAgentCompany—8.6%
Cybench—12.5%
BALROG—32.3%
LMArena Search—1006
METR Time Horizons—40.8%

Reasoning Claude 3 Sonnet leads

Claude 3 Sonnet: 20.5 (#237), GPT-4o: 9.4 (#343)

Reasoning benchmarks
BenchmarkClaude 3 SonnetGPT-4o
LMArena Hard Prompts11971281
DTBench53.6%64.5%
Epoch Capabilities Index120.7128.97
ARC-AGI-2—0%
SimpleBench—17.8%
ARC-AGI-1—4.5%
CritPt—0%
Chess Puzzles—13%
EnigmaEval—0.8%
LiveBench Reasoning—55.8%
LiveBench Data Analysis—60.9%
LMCA—16.6%
ForecastBench—57.7
LiveBench—55.3%
WinoGrande75.1%—

Math Too close to call

Claude 3 Sonnet: 10.7 (#310), GPT-4o: 10.6 (#312)

Math benchmarks
BenchmarkClaude 3 SonnetGPT-4o
OTIS Mock AIME 2024-20252.5%6.4%
LMArena Math12131285
MATH Level 518.2%53.3%
FrontierMath (Tiers 1-3)—0.4%
Omni-MATH—29.3%
LiveBench Math—49.5%
FrontierMath (Feb 2025 set)—0.3%

Knowledge GPT-4o leads

Claude 3 Sonnet: 21.1 (#276), GPT-4o: 28.8 (#242)

Knowledge benchmarks
BenchmarkClaude 3 SonnetGPT-4o
GPQA Diamond40.6%49.2%
LMArena Expert11731250
MMLU75.9%88.1%
Humanity's Last Exam—2.7%
SimpleQA Verified—26%
MMLU-Pro—71.3%
Confabulations—15.3%
Vectara Hallucination Rate—9.6%
GPQA (HELM)—52%

Multimodal GPT-4o leads

Claude 3 Sonnet: 25.2 (#125), GPT-4o: 34.5 (#91)

Multimodal benchmarks
BenchmarkClaude 3 SonnetGPT-4o
LMArena Vision9841137
Video-MME—71.9%
GeoBench—71%
VPCT—40%
ScienceQA—88.5%

Multilingual GPT-4o leads

Claude 3 Sonnet: 37.8 (#234), GPT-4o: 43.2 (#186)

Multilingual benchmarks
BenchmarkClaude 3 SonnetGPT-4o
LMArena Non-English12051283
LMArena Chinese11891277
LMArena French12291304
LMArena German12041282
LMArena Japanese11311257
LMArena Korean11281234
LMArena Russian12271286
LMArena Spanish12041292

Instruction Following GPT-4o leads

Claude 3 Sonnet: 62.8 (#235), GPT-4o: 66.6 (#207)

Instruction Following benchmarks
BenchmarkClaude 3 SonnetGPT-4o
LMArena Instruction Following11991278
LiveBench Instruction Following—68.6%
IFEval—81.7%

Long Context GPT-4o leads

Claude 3 Sonnet: 36.7 (#228), GPT-4o: 39.4 (#179)

Long Context benchmarks
BenchmarkClaude 3 SonnetGPT-4o
LMArena Longer Query12111289
Fiction.LiveBench—66.7%

Writing & Preference GPT-4o leads

Claude 3 Sonnet: 42.1 (#238), GPT-4o: 52.6 (#166)

Writing & Preference benchmarks
BenchmarkClaude 3 SonnetGPT-4o
LMArena Text12181300
LMArena Creative Writing11861292
LMArena Multi-Turn12271302
Short-Story Creative Writing—81.8%
WildBench—82.8%
LiveBench Language—47.6%

Frequently asked questions

Is Claude 3 Sonnet better than GPT-4o?

Claude 3 Sonnet and GPT-4o score almost the same on the Noometry Index (29.0 vs 28.6), so choose on price, context window or the category you care about most.

Is Claude 3 Sonnet or GPT-4o better for coding?

Claude 3 Sonnet scores higher on coding benchmarks: 29.6 versus 24.8 in the Noometry coding category.

How many benchmarks do Claude 3 Sonnet and GPT-4o share?

29 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and GPT-4o has 72.

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