Model comparison

Claude 3 Opus vs Gemini 3 Pro

Gemini 3 Pro is the stronger model overall, scoring 54.8 to 29.5 on the Noometry Index.

Last verified . 27 shared benchmarks.

Claude 3 Opus Anthropic

29.5

Rank #310 Confirmed

Gemini 3 Pro Google

54.8

Rank #28 Confirmed

Summary

  • They share 27 benchmarks with published results for both. Claude 3 Opus scores higher in 0 categories and Gemini 3 Pro in 10 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Gemini 3 Pro leads 64.4 to 24.5.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.7% for Claude 3 Opus and 91.4% for Gemini 3 Pro.

Side by side

Claude 3 Opus and Gemini 3 Pro specifications
Claude 3 OpusGemini 3 Pro
ProviderAnthropicGoogle
Noometry Index29.554.8
Released2024-02-292025-11-18
WeightsProprietaryProprietary
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked4667

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Category by category

Coding Gemini 3 Pro leads

Claude 3 Opus: 32.9 (#267), Gemini 3 Pro: 51.6 (#39)

Coding benchmarks
BenchmarkClaude 3 OpusGemini 3 Pro
WeirdML19.2%69.9%
LMArena Coding12641481
SWE-bench Verified—72.9%
SWE-bench Verified (bash only)—74.2%
LMArena WebDev—1440
SWE-bench Multilingual—68.7%
GSO—18.6%
BigCodeBench Instruct45.5%—
LiveBench Coding38.6%—
BigCodeBench Complete57.4%—
ALE-Bench—1,177
AlgoTune—1.83
HumanEval+77.4%—
MBPP+73.3%—

Agentic & Tool Use Gemini 3 Pro leads

Claude 3 Opus: 24.6 (#116), Gemini 3 Pro: 40.6 (#23)

Agentic & Tool Use benchmarks
BenchmarkClaude 3 OpusGemini 3 Pro
METR Time Horizons29.5%71%
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%
Cybench10%—
DeepResearch Bench—46.3%
BALROG—58.1%
LMArena Search—1207
Vending-Bench 2—5,478

Reasoning Gemini 3 Pro leads

Claude 3 Opus: 14.6 (#324), Gemini 3 Pro: 52.5 (#31)

Reasoning benchmarks
BenchmarkClaude 3 OpusGemini 3 Pro
SimpleBench23.5%76.4%
Chess Puzzles5%31%
EnigmaEval0.8%18.2%
LMArena Hard Prompts12451480
Epoch Capabilities Index126.91152.92
ForecastBench58.461.2
ARC-AGI-2—31.1%
Kagi LLM Benchmark—80.1%
NYT Connections (extended)—94.4%
ARC-AGI-1—75%
CritPt—6.9%
LiveBench Reasoning40.6%—
DTBench61.6%—
LiveBench Data Analysis57.9%—
LMCA17%—
LiveBench49.2%—
WinoGrande88.5%—

Math Gemini 3 Pro leads

Claude 3 Opus: 14.8 (#299), Gemini 3 Pro: 49.9 (#59)

Math benchmarks
BenchmarkClaude 3 OpusGemini 3 Pro
OTIS Mock AIME 2024-20254.7%91.4%
LMArena Math12731476
MathArena Final-Answer Competitions—67%
ProofBench—20%
Omni-MATH—55.5%
LiveBench Math43.6%—
MATH Level 537.5%—
FrontierMath (Feb 2025 set)—37.6%
FrontierMath Tier 4 (v1)—18.8%

Knowledge Gemini 3 Pro leads

Claude 3 Opus: 24.5 (#267), Gemini 3 Pro: 64.4 (#16)

Knowledge benchmarks
BenchmarkClaude 3 OpusGemini 3 Pro
GPQA Diamond47.2%92.6%
LMArena Expert12231475
Humanity's Last Exam—37.5%
SimpleQA Verified12.6%—
MMLU-Pro—90.3%
Confabulations22.7%—
Vectara Hallucination Rate—13.6%
GPQA (HELM)—80.3%
MMLU84.6%—

Multimodal Gemini 3 Pro leads

Claude 3 Opus: 27.1 (#116), Gemini 3 Pro: 57.6 (#2)

Multimodal benchmarks
BenchmarkClaude 3 OpusGemini 3 Pro
LMArena Vision10231305
GeoBench—84%
VPCT—91%
LMArena Document—1434

Multilingual Gemini 3 Pro leads

Claude 3 Opus: 41.4 (#207), Gemini 3 Pro: 56.9 (#16)

Multilingual benchmarks
BenchmarkClaude 3 OpusGemini 3 Pro
LMArena Non-English12581474
LMArena Chinese12481523
LMArena French12751492
LMArena German12581515
LMArena Japanese12041510
LMArena Korean11871448
LMArena Russian12801493
LMArena Spanish12461470

Instruction Following Gemini 3 Pro leads

Claude 3 Opus: 64.1 (#228), Gemini 3 Pro: 76.3 (#45)

Instruction Following benchmarks
BenchmarkClaude 3 OpusGemini 3 Pro
LMArena Instruction Following12481458
LiveBench Instruction Following63.9%—
IFEval—87.7%

Long Context Gemini 3 Pro leads

Claude 3 Opus: 38.2 (#202), Gemini 3 Pro: 44.0 (#79)

Long Context benchmarks
BenchmarkClaude 3 OpusGemini 3 Pro
LMArena Longer Query12591471
CL-bench—15.8%

Writing & Preference Gemini 3 Pro leads

Claude 3 Opus: 47.2 (#213), Gemini 3 Pro: 66.4 (#35)

Writing & Preference benchmarks
BenchmarkClaude 3 OpusGemini 3 Pro
LMArena Text12621479
LMArena Creative Writing12351482
LMArena Multi-Turn12751484
EQ-Bench Creative Writing—1525
WildBench—85.9%
LiveBench Language50.4%—

Frequently asked questions

Is Claude 3 Opus better than Gemini 3 Pro?

Gemini 3 Pro is the stronger model overall, scoring 54.8 to 29.5 on the Noometry Index.

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

Gemini 3 Pro scores higher on coding benchmarks: 51.6 versus 32.9 in the Noometry coding category.

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

27 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Gemini 3 Pro has 67.

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