Model comparison

Claude 2.1 vs Gemini 3.1 Flash Lite

Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.8 to 25.2 on the Noometry Index.

Last verified . 6 shared benchmarks.

Claude 2.1 Anthropic

25.2

Rank #345 Reported

Gemini 3.1 Flash Lite Google

40.8

Rank #144 Confirmed

Summary

  • They share 6 benchmarks with published results for both. Claude 2.1 scores higher in 0 categories and Gemini 3.1 Flash Lite in 4 categories; 4 gaps are clear of the uncertainty.
  • The widest gap is in math, where Gemini 3.1 Flash Lite leads 40.7 to 10.2.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.9% for Claude 2.1 and 80% for Gemini 3.1 Flash Lite.

Side by side

Claude 2.1 and Gemini 3.1 Flash Lite specifications
Claude 2.1Gemini 3.1 Flash Lite
ProviderAnthropicGoogle
Noometry Index25.240.8
Released2023-11-212026-03-03
WeightsProprietaryProprietary
Context window—1.05M
Max output—66K
Input $ / M tokens—$0.25
Output $ / M tokens—$1.50
Results tracked738

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Category by category

Coding Gemini 3.1 Flash Lite leads

Claude 2.1: 26.2 (#327), Gemini 3.1 Flash Lite: 37.8 (#188)

Coding benchmarks
BenchmarkClaude 2.1Gemini 3.1 Flash Lite
WeirdML7.1%52.2%
LMArena WebDev—1256
SciCode—41.9%
LMArena Coding—1400
ALE-Bench—797.73

Agentic & Tool Use Not comparable

Claude 2.1: —, Gemini 3.1 Flash Lite: 30.2 (#79)

Agentic & Tool Use benchmarks
BenchmarkClaude 2.1Gemini 3.1 Flash Lite
DeepResearch Bench—37.3%

Reasoning Gemini 3.1 Flash Lite leads

Claude 2.1: 21.4 (#221), Gemini 3.1 Flash Lite: 22.9 (#186)

Reasoning benchmarks
BenchmarkClaude 2.1Gemini 3.1 Flash Lite
DTBench51%76.8%
Epoch Capabilities Index119.27144.47
ForecastBench54.254.4
Kagi LLM Benchmark—67.2%
NYT Connections (extended)—8.2%
CritPt—1.1%
Chess Puzzles—25%
EnigmaEval—3%
Thematic Generalization—63.3%
LMArena Hard Prompts—1407
LMCA—35%

Math Gemini 3.1 Flash Lite leads

Claude 2.1: 10.2 (#315), Gemini 3.1 Flash Lite: 40.7 (#90)

Math benchmarks
BenchmarkClaude 2.1Gemini 3.1 Flash Lite
OTIS Mock AIME 2024-20251.9%80%
FrontierMath (Tiers 1-3)—27.7%
LMArena Math—1428

Knowledge Gemini 3.1 Flash Lite leads

Claude 2.1: 15.4 (#292), Gemini 3.1 Flash Lite: 41.9 (#104)

Knowledge benchmarks
BenchmarkClaude 2.1Gemini 3.1 Flash Lite
GPQA Diamond33%81.8%
Humanity's Last Exam—8.6%
Vectara Hallucination Rate—8.2%
LMArena Expert—1398
MMLU73.5%—

Multimodal Not comparable

Claude 2.1: —, Gemini 3.1 Flash Lite: 39.4 (#60)

Multimodal benchmarks
BenchmarkClaude 2.1Gemini 3.1 Flash Lite
LMArena Vision—1240

Multilingual Not comparable

Claude 2.1: —, Gemini 3.1 Flash Lite: 52.3 (#86)

Multilingual benchmarks
BenchmarkClaude 2.1Gemini 3.1 Flash Lite
LMArena Non-English—1411
LMArena Chinese—1461
LMArena French—1424
LMArena German—1429
LMArena Japanese—1413
LMArena Korean—1392
LMArena Russian—1420
LMArena Spanish—1421

Instruction Following Not comparable

Claude 2.1: —, Gemini 3.1 Flash Lite: 72.7 (#131)

Instruction Following benchmarks
BenchmarkClaude 2.1Gemini 3.1 Flash Lite
LMArena Instruction Following—1377

Long Context Not comparable

Claude 2.1: —, Gemini 3.1 Flash Lite: 42.5 (#122)

Long Context benchmarks
BenchmarkClaude 2.1Gemini 3.1 Flash Lite
LMArena Longer Query—1394

Writing & Preference Not comparable

Claude 2.1: —, Gemini 3.1 Flash Lite: 60.9 (#94)

Writing & Preference benchmarks
BenchmarkClaude 2.1Gemini 3.1 Flash Lite
LMArena Text—1416
LMArena Creative Writing—1401
LMArena Multi-Turn—1417

Frequently asked questions

Is Claude 2.1 better than Gemini 3.1 Flash Lite?

Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.8 to 25.2 on the Noometry Index.

Is Claude 2.1 or Gemini 3.1 Flash Lite better for coding?

Gemini 3.1 Flash Lite scores higher on coding benchmarks: 37.8 versus 26.2 in the Noometry coding category.

How many benchmarks do Claude 2.1 and Gemini 3.1 Flash Lite share?

6 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Gemini 3.1 Flash Lite has 38.

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