Model comparison

Claude 3 Sonnet vs Gemini 3 Pro

Gemini 3 Pro is the stronger model overall, scoring 54.8 to 29.0 on the Noometry Index.

Last verified . 22 shared benchmarks.

Claude 3 Sonnet Anthropic

29.0

Rank #319 Confirmed

Gemini 3 Pro Google

54.8

Rank #28 Confirmed

Summary

  • They share 22 benchmarks with published results for both. Claude 3 Sonnet scores higher in 0 categories and Gemini 3 Pro in 9 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Gemini 3 Pro leads 64.4 to 21.1.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 2.5% for Claude 3 Sonnet and 91.4% for Gemini 3 Pro.

Side by side

Claude 3 Sonnet and Gemini 3 Pro specifications
Claude 3 SonnetGemini 3 Pro
ProviderAnthropicGoogle
Noometry Index29.054.8
Released2024-02-292025-11-18
WeightsProprietaryProprietary
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked3067

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Category by category

Coding Gemini 3 Pro leads

Claude 3 Sonnet: 29.6 (#302), Gemini 3 Pro: 51.6 (#39)

Coding benchmarks
BenchmarkClaude 3 SonnetGemini 3 Pro
WeirdML10.2%69.9%
LMArena Coding12231481
SWE-bench Verified—72.9%
SWE-bench Verified (bash only)—74.2%
LMArena WebDev—1440
SWE-bench Multilingual—68.7%
GSO—18.6%
BigCodeBench Instruct42.7%—
BigCodeBench Complete53.8%—
ALE-Bench—1,177
AlgoTune—1.83
HumanEval+64%—
MBPP+69.3%—

Agentic & Tool Use Not comparable

Claude 3 Sonnet: —, Gemini 3 Pro: 40.6 (#23)

Agentic & Tool Use benchmarks
BenchmarkClaude 3 SonnetGemini 3 Pro
Terminal-Bench—69.4%
Berkeley Function Calling Leaderboard—72.5%
GDPval—40.3%
Remote Labor Index—1.3%
τ²-bench Airline—80.5%
τ²-bench Banking—18%
τ²-bench Retail—75.9%
τ²-bench Telecom—91%
DeepResearch Bench—46.3%
BALROG—58.1%
LMArena Search—1207
METR Time Horizons—71%
Vending-Bench 2—5,478

Reasoning Gemini 3 Pro leads

Claude 3 Sonnet: 20.5 (#237), Gemini 3 Pro: 52.5 (#31)

Reasoning benchmarks
BenchmarkClaude 3 SonnetGemini 3 Pro
LMArena Hard Prompts11971480
Epoch Capabilities Index120.7152.92
ARC-AGI-2—31.1%
SimpleBench—76.4%
Kagi LLM Benchmark—80.1%
NYT Connections (extended)—94.4%
ARC-AGI-1—75%
CritPt—6.9%
Chess Puzzles—31%
EnigmaEval—18.2%
DTBench53.6%—
ForecastBench—61.2
WinoGrande75.1%—

Math Gemini 3 Pro leads

Claude 3 Sonnet: 10.7 (#310), Gemini 3 Pro: 49.9 (#59)

Math benchmarks
BenchmarkClaude 3 SonnetGemini 3 Pro
OTIS Mock AIME 2024-20252.5%91.4%
LMArena Math12131476
MathArena Final-Answer Competitions—67%
ProofBench—20%
Omni-MATH—55.5%
MATH Level 518.2%—
FrontierMath (Feb 2025 set)—37.6%
FrontierMath Tier 4 (v1)—18.8%

Knowledge Gemini 3 Pro leads

Claude 3 Sonnet: 21.1 (#276), Gemini 3 Pro: 64.4 (#16)

Knowledge benchmarks
BenchmarkClaude 3 SonnetGemini 3 Pro
GPQA Diamond40.6%92.6%
LMArena Expert11731475
Humanity's Last Exam—37.5%
MMLU-Pro—90.3%
Vectara Hallucination Rate—13.6%
GPQA (HELM)—80.3%
MMLU75.9%—

Multimodal Gemini 3 Pro leads

Claude 3 Sonnet: 25.2 (#125), Gemini 3 Pro: 57.6 (#2)

Multimodal benchmarks
BenchmarkClaude 3 SonnetGemini 3 Pro
LMArena Vision9841305
GeoBench—84%
VPCT—91%
LMArena Document—1434

Multilingual Gemini 3 Pro leads

Claude 3 Sonnet: 37.8 (#234), Gemini 3 Pro: 56.9 (#16)

Multilingual benchmarks
BenchmarkClaude 3 SonnetGemini 3 Pro
LMArena Non-English12051474
LMArena Chinese11891523
LMArena French12291492
LMArena German12041515
LMArena Japanese11311510
LMArena Korean11281448
LMArena Russian12271493
LMArena Spanish12041470

Instruction Following Gemini 3 Pro leads

Claude 3 Sonnet: 62.8 (#235), Gemini 3 Pro: 76.3 (#45)

Instruction Following benchmarks
BenchmarkClaude 3 SonnetGemini 3 Pro
LMArena Instruction Following11991458
IFEval—87.7%

Long Context Gemini 3 Pro leads

Claude 3 Sonnet: 36.7 (#228), Gemini 3 Pro: 44.0 (#79)

Long Context benchmarks
BenchmarkClaude 3 SonnetGemini 3 Pro
LMArena Longer Query12111471
CL-bench—15.8%

Writing & Preference Gemini 3 Pro leads

Claude 3 Sonnet: 42.1 (#238), Gemini 3 Pro: 66.4 (#35)

Writing & Preference benchmarks
BenchmarkClaude 3 SonnetGemini 3 Pro
LMArena Text12181479
LMArena Creative Writing11861482
LMArena Multi-Turn12271484
EQ-Bench Creative Writing—1525
WildBench—85.9%

Frequently asked questions

Is Claude 3 Sonnet better than Gemini 3 Pro?

Gemini 3 Pro is the stronger model overall, scoring 54.8 to 29.0 on the Noometry Index.

Is Claude 3 Sonnet or Gemini 3 Pro better for coding?

Gemini 3 Pro scores higher on coding benchmarks: 51.6 versus 29.6 in the Noometry coding category.

How many benchmarks do Claude 3 Sonnet and Gemini 3 Pro share?

22 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and Gemini 3 Pro has 67.

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