Model comparison

Claude 3 Sonnet vs GPT-5.4

GPT-5.4 is the stronger model overall, scoring 59.4 to 29.0 on the Noometry Index.

Last verified . 23 shared benchmarks.

Claude 3 Sonnet Anthropic

29.0

Rank #319 Confirmed

GPT-5.4 OpenAI

59.4

Rank #16 Confirmed

Summary

  • They share 23 benchmarks with published results for both. Claude 3 Sonnet scores higher in 0 categories and GPT-5.4 in 9 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.4 leads 73.5 to 10.7.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 2.5% for Claude 3 Sonnet and 97.8% for GPT-5.4.

Side by side

Claude 3 Sonnet and GPT-5.4 specifications
Claude 3 SonnetGPT-5.4
ProviderAnthropicOpenAI
Noometry Index29.059.4
Released2024-02-292026-03-05
WeightsProprietaryProprietary
Context window—1.05M
Max output—128K
Input $ / M tokens—$2.50
Output $ / M tokens—$15
Results tracked3068

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

Category by category

Coding GPT-5.4 leads

Claude 3 Sonnet: 29.6 (#302), GPT-5.4: 52.6 (#33)

Coding benchmarks
BenchmarkClaude 3 SonnetGPT-5.4
WeirdML10.2%77.7%
LMArena Coding12231497
SWE-bench Verified—76.9%
DeepSWE—51.8%
LMArena WebDev—1465
SciCode—56.6%
GSO—31.4%
BigCodeBench Instruct42.7%—
MirrorCode—15.6%
BigCodeBench Complete53.8%—
ALE-Bench—1,607
AlgoTune—1.85
HumanEval+64%—
MBPP+69.3%—

Agentic & Tool Use Not comparable

Claude 3 Sonnet: —, GPT-5.4: 46.5 (#13)

Agentic & Tool Use benchmarks
BenchmarkClaude 3 SonnetGPT-5.4
Terminal-Bench—81.8%
APEX-Agents—52.4%
τ²-bench Banking—39.4%
DeepResearch Bench—35.1%
PostTrainBench—19%
GBAEval—45.1%
LMArena Search—1197
METR Time Horizons—74.3%
Vending-Bench 2—6,144

Reasoning GPT-5.4 leads

Claude 3 Sonnet: 20.5 (#237), GPT-5.4: 61.8 (#19)

Reasoning benchmarks
BenchmarkClaude 3 SonnetGPT-5.4
LMArena Hard Prompts11971485
DTBench53.6%94.4%
Epoch Capabilities Index120.7156.81
ARC-AGI-2—74%
Kagi LLM Benchmark—63.8%
NYT Connections (extended)—91.3%
ARC-AGI-1—93.7%
CritPt—23.4%
Chess Puzzles—44%
EnigmaEval—16%
Thematic Generalization—80%
EBR-Bench—25.4%
Mystery Game Puzzles—37%
LMCA—52%
ForecastBench—59.5
WinoGrande75.1%—

Math GPT-5.4 leads

Claude 3 Sonnet: 10.7 (#310), GPT-5.4: 73.5 (#19)

Knowledge GPT-5.4 leads

Claude 3 Sonnet: 21.1 (#276), GPT-5.4: 65.3 (#14)

Knowledge benchmarks
BenchmarkClaude 3 SonnetGPT-5.4
GPQA Diamond40.6%93.3%
LMArena Expert11731507
Humanity's Last Exam—36.2%
SimpleQA Verified—45.1%
Vectara Hallucination Rate—7%
MMLU75.9%—

Multimodal GPT-5.4 leads

Claude 3 Sonnet: 25.2 (#125), GPT-5.4: 43.7 (#20)

Multimodal benchmarks
BenchmarkClaude 3 SonnetGPT-5.4
LMArena Vision9841303
Blueprint-Bench 2—27.1%
Furniture Assembly—37.5%
LMArena Document—1471

Multilingual GPT-5.4 leads

Claude 3 Sonnet: 37.8 (#234), GPT-5.4: 56.2 (#23)

Multilingual benchmarks
BenchmarkClaude 3 SonnetGPT-5.4
LMArena Non-English12051465
LMArena Chinese11891519
LMArena French12291493
LMArena German12041472
LMArena Japanese11311485
LMArena Korean11281448
LMArena Russian12271480
LMArena Spanish12041454

Instruction Following GPT-5.4 leads

Claude 3 Sonnet: 62.8 (#235), GPT-5.4: 77.1 (#27)

Instruction Following benchmarks
BenchmarkClaude 3 SonnetGPT-5.4
LMArena Instruction Following11991469

Long Context GPT-5.4 leads

Claude 3 Sonnet: 36.7 (#228), GPT-5.4: 50.3 (#8)

Long Context benchmarks
BenchmarkClaude 3 SonnetGPT-5.4
LMArena Longer Query12111473
CL-bench—27.9%
CL-bench Life—21.7%

Writing & Preference GPT-5.4 leads

Claude 3 Sonnet: 42.1 (#238), GPT-5.4: 71.9 (#17)

Writing & Preference benchmarks
BenchmarkClaude 3 SonnetGPT-5.4
LMArena Text12181469
LMArena Creative Writing11861439
LMArena Multi-Turn12271482
EQ-Bench Creative Writing—1840
EQ-Bench 4—1272

Frequently asked questions

Is Claude 3 Sonnet better than GPT-5.4?

GPT-5.4 is the stronger model overall, scoring 59.4 to 29.0 on the Noometry Index.

Is Claude 3 Sonnet or GPT-5.4 better for coding?

GPT-5.4 scores higher on coding benchmarks: 52.6 versus 29.6 in the Noometry coding category.

How many benchmarks do Claude 3 Sonnet and GPT-5.4 share?

23 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and GPT-5.4 has 68.

Related comparisons

Go deeper