Model comparison

Claude Sonnet 4.6 vs Gemini 3 Pro

Gemini 3 Pro is the stronger model overall, scoring 54.8 to 50.3 on the Noometry Index.

Last verified . 41 shared benchmarks.

Claude Sonnet 4.6 Anthropic

50.3

Rank #50 Confirmed

Gemini 3 Pro Google

54.8

Rank #28 Confirmed

Summary

  • They share 41 benchmarks with published results for both. Claude Sonnet 4.6 scores higher in 4 categories and Gemini 3 Pro in 6 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in multimodal, where Gemini 3 Pro leads 57.6 to 38.0.
  • The biggest single-benchmark swing is ARC-AGI-2: 60.4% for Claude Sonnet 4.6 and 31.1% for Gemini 3 Pro.

Side by side

Claude Sonnet 4.6 and Gemini 3 Pro specifications
Claude Sonnet 4.6Gemini 3 Pro
ProviderAnthropicGoogle
Noometry Index50.354.8
Released2026-02-172025-11-18
WeightsProprietaryProprietary
Context window1M—
Max output128K—
Input $ / M tokens$3—
Output $ / M tokens$15—
Results tracked5767

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Category by category

Coding Gemini 3 Pro leads

Claude Sonnet 4.6: 46.3 (#67), Gemini 3 Pro: 51.6 (#39)

Coding benchmarks
BenchmarkClaude Sonnet 4.6Gemini 3 Pro
SWE-bench Verified75.2%72.9%
LMArena WebDev15221440
WeirdML66.1%69.9%
LMArena Coding15041481
ALE-Bench1,3271,177
DeepSWE29.9%—
FrontierCode24.3%—
SWE-bench Verified (bash only)—74.2%
SWE-bench Multilingual—68.7%
SciCode46.8%—
GSO—18.6%
AlgoTune—1.83

Agentic & Tool Use Gemini 3 Pro leads

Claude Sonnet 4.6: 39.1 (#28), Gemini 3 Pro: 40.6 (#23)

Agentic & Tool Use benchmarks
BenchmarkClaude Sonnet 4.6Gemini 3 Pro
Terminal-Bench53.4%69.4%
DeepResearch Bench54.9%46.3%
LMArena Search12211207
Vending-Bench 27,2045,478
APEX-Agents43%—
Berkeley Function Calling Leaderboard—72.5%
OSWorld 2.09.3%—
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%
OSWorld72.1%—
BALROG—58.1%
ExploitBench23.6%—
GBAEval48.8%—
GDP.pdf18%—
METR Time Horizons—71%

Reasoning Gemini 3 Pro leads

Claude Sonnet 4.6: 46.1 (#45), Gemini 3 Pro: 52.5 (#31)

Reasoning benchmarks
BenchmarkClaude Sonnet 4.6Gemini 3 Pro
ARC-AGI-260.4%31.1%
NYT Connections (extended)80.9%94.4%
ARC-AGI-186.5%75%
CritPt3.1%6.9%
Chess Puzzles13%31%
LMArena Hard Prompts14841480
Epoch Capabilities Index152.24152.92
ForecastBench6261.2
SimpleBench—76.4%
Kagi LLM Benchmark—80.1%
EnigmaEval—18.2%
Thematic Generalization76.3%—
Mystery Game Puzzles16%—
DTBench89.9%—
LMCA46.5%—

Math Claude Sonnet 4.6 leads

Claude Sonnet 4.6: 52.9 (#49), Gemini 3 Pro: 49.9 (#59)

Math benchmarks
BenchmarkClaude Sonnet 4.6Gemini 3 Pro
OTIS Mock AIME 2024-202585.8%91.4%
ProofBench45%20%
LMArena Math14621476
FrontierMath (Feb 2025 set)32.4%37.6%
FrontierMath Tier 4 (v1)8.3%18.8%
MathArena Final-Answer Competitions—67%
Omni-MATH—55.5%

Knowledge Gemini 3 Pro leads

Claude Sonnet 4.6: 51.7 (#65), Gemini 3 Pro: 64.4 (#16)

Knowledge benchmarks
BenchmarkClaude Sonnet 4.6Gemini 3 Pro
GPQA Diamond87.4%92.6%
Vectara Hallucination Rate10.6%13.6%
LMArena Expert15001475
Humanity's Last Exam—37.5%
SimpleQA Verified35.5%—
MMLU-Pro—90.3%
GPQA (HELM)—80.3%

Multimodal Gemini 3 Pro leads

Claude Sonnet 4.6: 38.0 (#68), Gemini 3 Pro: 57.6 (#2)

Multimodal benchmarks
BenchmarkClaude Sonnet 4.6Gemini 3 Pro
LMArena Vision12831305
LMArena Document14821434
GeoBench—84%
VPCT—91%
Blueprint-Bench 26.7%—

Multilingual Gemini 3 Pro leads

Claude Sonnet 4.6: 54.4 (#41), Gemini 3 Pro: 56.9 (#16)

Multilingual benchmarks
BenchmarkClaude Sonnet 4.6Gemini 3 Pro
LMArena Non-English14401474
LMArena Chinese14911523
LMArena French14651492
LMArena German14281515
LMArena Japanese14201510
LMArena Korean14111448
LMArena Russian14401493
LMArena Spanish14641470

Instruction Following Claude Sonnet 4.6 leads

Claude Sonnet 4.6: 77.4 (#25), Gemini 3 Pro: 76.3 (#45)

Instruction Following benchmarks
BenchmarkClaude Sonnet 4.6Gemini 3 Pro
LMArena Instruction Following14751458
IFEval—87.7%

Long Context Claude Sonnet 4.6 leads

Claude Sonnet 4.6: 45.3 (#44), Gemini 3 Pro: 44.0 (#79)

Long Context benchmarks
BenchmarkClaude Sonnet 4.6Gemini 3 Pro
LMArena Longer Query14791471
CL-bench—15.8%

Writing & Preference Claude Sonnet 4.6 leads

Claude Sonnet 4.6: 70.2 (#22), Gemini 3 Pro: 66.4 (#35)

Writing & Preference benchmarks
BenchmarkClaude Sonnet 4.6Gemini 3 Pro
LMArena Text14581479
LMArena Creative Writing14351482
EQ-Bench Creative Writing18101525
LMArena Multi-Turn14641484
WildBench—85.9%
EQ-Bench 41207—

Frequently asked questions

Is Claude Sonnet 4.6 better than Gemini 3 Pro?

Gemini 3 Pro is the stronger model overall, scoring 54.8 to 50.3 on the Noometry Index.

Is Claude Sonnet 4.6 or Gemini 3 Pro better for coding?

Gemini 3 Pro scores higher on coding benchmarks: 51.6 versus 46.3 in the Noometry coding category.

How many benchmarks do Claude Sonnet 4.6 and Gemini 3 Pro share?

41 benchmarks have published results for both models. Claude Sonnet 4.6 has 57 scored results on Noometry and Gemini 3 Pro has 67.

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