Model comparison

Claude Sonnet 4.6 vs Gemini 2.0 Flash (Feb 2025)

Claude Sonnet 4.6 is the stronger model overall, scoring 50.3 to 35.1 on the Noometry Index.

Last verified . 26 shared benchmarks.

Claude Sonnet 4.6 Anthropic

50.3

Rank #50 Confirmed

Gemini 2.0 Flash (Feb 2025) Google

35.1

Rank #228 Confirmed

Summary

  • They share 26 benchmarks with published results for both. Claude Sonnet 4.6 scores higher in 10 categories and Gemini 2.0 Flash (Feb 2025) in 0 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Sonnet 4.6 leads 46.1 to 15.2.
  • The biggest single-benchmark swing is ARC-AGI-2: 60.4% for Claude Sonnet 4.6 and 1.3% for Gemini 2.0 Flash (Feb 2025).

Side by side

Claude Sonnet 4.6 and Gemini 2.0 Flash (Feb 2025) specifications
Claude Sonnet 4.6Gemini 2.0 Flash (Feb 2025)
ProviderAnthropicGoogle
Noometry Index50.335.1
Released2026-02-172024-12-06
WeightsProprietaryProprietary
Context window1M—
Max output128K—
Input $ / M tokens$3—
Output $ / M tokens$15—
Results tracked5754

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Category by category

Coding Claude Sonnet 4.6 leads

Claude Sonnet 4.6: 46.3 (#67), Gemini 2.0 Flash (Feb 2025): 28.4 (#315)

Coding benchmarks
BenchmarkClaude Sonnet 4.6Gemini 2.0 Flash (Feb 2025)
WeirdML66.1%25.8%
LMArena Coding15041350
SWE-bench Verified75.2%—
DeepSWE29.9%—
FrontierCode24.3%—
SWE-bench Verified (bash only)—13.5%
Aider Polyglot—38.2%
LMArena WebDev1522—
SciCode46.8%—
BigCodeBench Instruct—45.9%
LiveBench Coding—63.4%
BigCodeBench Complete—59.9%
CadEval—30%
ALE-Bench1,327—

Agentic & Tool Use Claude Sonnet 4.6 leads

Claude Sonnet 4.6: 39.1 (#28), Gemini 2.0 Flash (Feb 2025): 28.1 (#92)

Agentic & Tool Use benchmarks
BenchmarkClaude Sonnet 4.6Gemini 2.0 Flash (Feb 2025)
Terminal-Bench53.4%—
APEX-Agents43%—
OSWorld 2.09.3%—
TheAgentCompany—11.4%
DeepResearch Bench54.9%—
OSWorld72.1%—
ExploitBench23.6%—
GBAEval48.8%—
GDP.pdf18%—
LMArena Search1221—
Vending-Bench 27,204—

Reasoning Claude Sonnet 4.6 leads

Claude Sonnet 4.6: 46.1 (#45), Gemini 2.0 Flash (Feb 2025): 15.2 (#318)

Reasoning benchmarks
BenchmarkClaude Sonnet 4.6Gemini 2.0 Flash (Feb 2025)
ARC-AGI-260.4%1.3%
LMArena Hard Prompts14841346
DTBench89.9%63.2%
Epoch Capabilities Index152.24135.36
SimpleBench—31.1%
Kagi LLM Benchmark—37.8%
NYT Connections (extended)80.9%—
ARC-AGI-186.5%—
CritPt3.1%—
Chess Puzzles13%—
EnigmaEval—1.1%
Thematic Generalization76.3%—
LiveBench Reasoning—78.2%
Mystery Game Puzzles16%—
LiveBench Data Analysis—69.4%
LMCA46.5%—
ForecastBench62—
LiveBench—66.9%

Math Claude Sonnet 4.6 leads

Claude Sonnet 4.6: 52.9 (#49), Gemini 2.0 Flash (Feb 2025): 37.9 (#146)

Math benchmarks
BenchmarkClaude Sonnet 4.6Gemini 2.0 Flash (Feb 2025)
OTIS Mock AIME 2024-202585.8%57.8%
LMArena Math14621352
FrontierMath (Feb 2025 set)32.4%1.7%
ProofBench45%—
Omni-MATH—45.9%
LiveBench Math—75.8%
MATH Level 5—82.2%
FrontierMath Tier 4 (v1)8.3%—

Knowledge Claude Sonnet 4.6 leads

Claude Sonnet 4.6: 51.7 (#65), Gemini 2.0 Flash (Feb 2025): 32.0 (#213)

Knowledge benchmarks
BenchmarkClaude Sonnet 4.6Gemini 2.0 Flash (Feb 2025)
GPQA Diamond87.4%64.1%
LMArena Expert15001339
Humanity's Last Exam—6.6%
SimpleQA Verified35.5%—
MMLU-Pro—73.7%
Confabulations—12.4%
Vectara Hallucination Rate10.6%—
GPQA (HELM)—55.6%
MMLU—79.7%

Multimodal Claude Sonnet 4.6 leads

Claude Sonnet 4.6: 38.0 (#68), Gemini 2.0 Flash (Feb 2025): 36.5 (#79)

Multimodal benchmarks
BenchmarkClaude Sonnet 4.6Gemini 2.0 Flash (Feb 2025)
LMArena Vision12831158
GeoBench—77%
Blueprint-Bench 26.7%—
LMArena Document1482—

Multilingual Claude Sonnet 4.6 leads

Claude Sonnet 4.6: 54.4 (#41), Gemini 2.0 Flash (Feb 2025): 47.4 (#149)

Multilingual benchmarks
BenchmarkClaude Sonnet 4.6Gemini 2.0 Flash (Feb 2025)
LMArena Non-English14401342
LMArena Chinese14911373
LMArena French14651391
LMArena German14281353
LMArena Japanese14201294
LMArena Korean14111313
LMArena Russian14401351
LMArena Spanish14641363

Instruction Following Claude Sonnet 4.6 leads

Claude Sonnet 4.6: 77.4 (#25), Gemini 2.0 Flash (Feb 2025): 74.4 (#97)

Instruction Following benchmarks
BenchmarkClaude Sonnet 4.6Gemini 2.0 Flash (Feb 2025)
LMArena Instruction Following14751336
LiveBench Instruction Following—85.8%
IFEval—84.1%

Long Context Claude Sonnet 4.6 leads

Claude Sonnet 4.6: 45.3 (#44), Gemini 2.0 Flash (Feb 2025): 38.1 (#203)

Long Context benchmarks
BenchmarkClaude Sonnet 4.6Gemini 2.0 Flash (Feb 2025)
LMArena Longer Query14791344
Fiction.LiveBench—61.1%

Writing & Preference Claude Sonnet 4.6 leads

Claude Sonnet 4.6: 70.2 (#22), Gemini 2.0 Flash (Feb 2025): 49.5 (#190)

Writing & Preference benchmarks
BenchmarkClaude Sonnet 4.6Gemini 2.0 Flash (Feb 2025)
LMArena Text14581354
LMArena Creative Writing14351340
EQ-Bench Creative Writing18101128
LMArena Multi-Turn14641350
Short-Story Creative Writing—73.8%
WildBench—80%
EQ-Bench 41207—
LiveBench Language—51.3%

Frequently asked questions

Is Claude Sonnet 4.6 better than Gemini 2.0 Flash (Feb 2025)?

Claude Sonnet 4.6 is the stronger model overall, scoring 50.3 to 35.1 on the Noometry Index.

Is Claude Sonnet 4.6 or Gemini 2.0 Flash (Feb 2025) better for coding?

Claude Sonnet 4.6 scores higher on coding benchmarks: 46.3 versus 28.4 in the Noometry coding category.

How many benchmarks do Claude Sonnet 4.6 and Gemini 2.0 Flash (Feb 2025) share?

26 benchmarks have published results for both models. Claude Sonnet 4.6 has 57 scored results on Noometry and Gemini 2.0 Flash (Feb 2025) has 54.

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