Model comparison

Claude 3 Opus vs Gemini 3.5 Flash Lite

Gemini 3.5 Flash Lite is the stronger model overall, scoring 41.5 to 29.5 on the Noometry Index.

Last verified . 25 shared benchmarks.

Claude 3 Opus Anthropic

29.5

Rank #310 Confirmed

Gemini 3.5 Flash Lite Google

41.5

Rank #133 Confirmed

Summary

  • They share 25 benchmarks with published results for both. Claude 3 Opus scores higher in 0 categories and Gemini 3.5 Flash Lite in 10 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Gemini 3.5 Flash Lite leads 50.1 to 24.5.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.7% for Claude 3 Opus and 71.1% for Gemini 3.5 Flash Lite.

Side by side

Claude 3 Opus and Gemini 3.5 Flash Lite specifications
Claude 3 OpusGemini 3.5 Flash Lite
ProviderAnthropicGoogle
Noometry Index29.541.5
Released2024-02-292026-07-21
WeightsProprietaryProprietary
Context window—1.05M
Max output—66K
Input $ / M tokens—$0.30
Output $ / M tokens—$2.50
Results tracked4639

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Category by category

Coding Gemini 3.5 Flash Lite leads

Claude 3 Opus: 32.9 (#267), Gemini 3.5 Flash Lite: 42.4 (#104)

Coding benchmarks
BenchmarkClaude 3 OpusGemini 3.5 Flash Lite
WeirdML19.2%39%
LMArena Coding12641453
LMArena WebDev—1440
SciCode—41.3%
BigCodeBench Instruct45.5%—
LiveBench Coding38.6%—
BigCodeBench Complete57.4%—
ALE-Bench—765.27
HumanEval+77.4%—
MBPP+73.3%—

Agentic & Tool Use Gemini 3.5 Flash Lite leads

Claude 3 Opus: 24.6 (#116), Gemini 3.5 Flash Lite: 25.7 (#107)

Agentic & Tool Use benchmarks
BenchmarkClaude 3 OpusGemini 3.5 Flash Lite
APEX-Agents—29.3%
Cybench10%—
GDP.pdf—10%
METR Time Horizons29.5%—

Reasoning Gemini 3.5 Flash Lite leads

Claude 3 Opus: 14.6 (#324), Gemini 3.5 Flash Lite: 27.8 (#114)

Reasoning benchmarks
BenchmarkClaude 3 OpusGemini 3.5 Flash Lite
Chess Puzzles5%22%
LMArena Hard Prompts12451441
DTBench61.6%83.5%
LMCA17%37.6%
Epoch Capabilities Index126.91145.13
ARC-AGI-2—10.3%
SimpleBench23.5%—
NYT Connections (extended)—60.4%
ARC-AGI-1—53.5%
CritPt—0%
EnigmaEval0.8%—
LiveBench Reasoning40.6%—
Mystery Game Puzzles—19%
LiveBench Data Analysis57.9%—
ForecastBench58.4—
LiveBench49.2%—
WinoGrande88.5%—

Math Gemini 3.5 Flash Lite leads

Claude 3 Opus: 14.8 (#299), Gemini 3.5 Flash Lite: 25.9 (#264)

Math benchmarks
BenchmarkClaude 3 OpusGemini 3.5 Flash Lite
OTIS Mock AIME 2024-20254.7%71.1%
LMArena Math12731433
FrontierMath (Tiers 1-3)—26%
FrontierMath Tier 4—0%
ProofBench—13%
LiveBench Math43.6%—
MATH Level 537.5%—

Knowledge Gemini 3.5 Flash Lite leads

Claude 3 Opus: 24.5 (#267), Gemini 3.5 Flash Lite: 50.1 (#72)

Knowledge benchmarks
BenchmarkClaude 3 OpusGemini 3.5 Flash Lite
GPQA Diamond47.2%83.3%
LMArena Expert12231435
SimpleQA Verified12.6%—
Confabulations22.7%—
MMLU84.6%—

Multimodal Gemini 3.5 Flash Lite leads

Claude 3 Opus: 27.1 (#116), Gemini 3.5 Flash Lite: 41.1 (#40)

Multimodal benchmarks
BenchmarkClaude 3 OpusGemini 3.5 Flash Lite
LMArena Vision10231268

Multilingual Gemini 3.5 Flash Lite leads

Claude 3 Opus: 41.4 (#207), Gemini 3.5 Flash Lite: 53.5 (#63)

Multilingual benchmarks
BenchmarkClaude 3 OpusGemini 3.5 Flash Lite
LMArena Non-English12581427
LMArena Chinese12481469
LMArena French12751451
LMArena German12581454
LMArena Japanese12041427
LMArena Korean11871407
LMArena Russian12801443
LMArena Spanish12461442

Instruction Following Gemini 3.5 Flash Lite leads

Claude 3 Opus: 64.1 (#228), Gemini 3.5 Flash Lite: 74.8 (#85)

Instruction Following benchmarks
BenchmarkClaude 3 OpusGemini 3.5 Flash Lite
LMArena Instruction Following12481420
LiveBench Instruction Following63.9%—

Long Context Gemini 3.5 Flash Lite leads

Claude 3 Opus: 38.2 (#202), Gemini 3.5 Flash Lite: 43.9 (#84)

Long Context benchmarks
BenchmarkClaude 3 OpusGemini 3.5 Flash Lite
LMArena Longer Query12591435

Writing & Preference Gemini 3.5 Flash Lite leads

Claude 3 Opus: 47.2 (#213), Gemini 3.5 Flash Lite: 64.2 (#57)

Writing & Preference benchmarks
BenchmarkClaude 3 OpusGemini 3.5 Flash Lite
LMArena Text12621435
LMArena Creative Writing12351420
LMArena Multi-Turn12751445
EQ-Bench Creative Writing—1559
LiveBench Language50.4%—

Frequently asked questions

Is Claude 3 Opus better than Gemini 3.5 Flash Lite?

Gemini 3.5 Flash Lite is the stronger model overall, scoring 41.5 to 29.5 on the Noometry Index.

Is Claude 3 Opus or Gemini 3.5 Flash Lite better for coding?

Gemini 3.5 Flash Lite scores higher on coding benchmarks: 42.4 versus 32.9 in the Noometry coding category.

How many benchmarks do Claude 3 Opus and Gemini 3.5 Flash Lite share?

25 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Gemini 3.5 Flash Lite has 39.

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