Model comparison

Claude Opus 4.6 vs Gemini 3.7 Flash

Gemini 3.7 Flash is the stronger model overall, scoring 59.8 to 58.2 on the Noometry Index.

Last verified . 39 shared benchmarks.

Claude Opus 4.6 Anthropic

58.2

Rank #20 Confirmed

Gemini 3.7 Flash Google

59.8

Rank #14 Confirmed

Summary

  • They share 39 benchmarks with published results for both. Claude Opus 4.6 scores higher in 6 categories and Gemini 3.7 Flash in 4 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.7 Flash leads 70.0 to 57.8.
  • The biggest single-benchmark swing is Chess Puzzles: 17% for Claude Opus 4.6 and 47% for Gemini 3.7 Flash.
  • Gemini 3.7 Flash is cheaper at $0.75 / $3.75 per million input/output tokens, against $5 / $25 for Claude Opus 4.6.
  • Gemini 3.7 Flash accepts more context: 1.05M tokens versus 1M.

Side by side

Claude Opus 4.6 and Gemini 3.7 Flash specifications
Claude Opus 4.6Gemini 3.7 Flash
ProviderAnthropicGoogle
Noometry Index58.259.8
Released2026-02-042026-08-13
WeightsProprietaryProprietary
Context window1M1.05M
Max output128K66K
Input $ / M tokens$5$0.75
Output $ / M tokens$25$3.75
Results tracked6844

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Category by category

Coding Claude Opus 4.6 leads

Claude Opus 4.6: 57.2 (#20), Gemini 3.7 Flash: 56.2 (#22)

Coding benchmarks
BenchmarkClaude Opus 4.6Gemini 3.7 Flash
FrontierCode26.6%43.6%
LMArena WebDev15471592
LMArena Coding15361497
ALE-Bench996.5904.3
SWE-bench Verified78.7%—
DeepSWE—65.5%
SWE-bench Verified (bash only)75.6%—
SWE-bench Multilingual72%—
FrontierSWE—20.3%
SciCode—59.8%
GSO41.2%—
WeirdML78%—
AlgoTune1.47—

Agentic & Tool Use Claude Opus 4.6 leads

Claude Opus 4.6: 51.1 (#4), Gemini 3.7 Flash: 42.1 (#19)

Agentic & Tool Use benchmarks
BenchmarkClaude Opus 4.6Gemini 3.7 Flash
APEX-Agents46.3%67.8%
Remote Labor Index4.2%5%
Terminal-Bench79.8%—
τ²-bench Banking27.3%—
Cybench93%—
DeepResearch Bench55.3%—
GBAEval44.1%—
GDP.pdf—23.8%
LMArena Search1253—
METR Time Horizons78.9%—
Vending-Bench 28,018—

Reasoning Gemini 3.7 Flash leads

Claude Opus 4.6: 57.8 (#23), Gemini 3.7 Flash: 70.0 (#15)

Reasoning benchmarks
BenchmarkClaude Opus 4.6Gemini 3.7 Flash
ARC-AGI-269.2%84.6%
NYT Connections (extended)92.1%94%
ARC-AGI-194%95.5%
Chess Puzzles17%47%
LMArena Hard Prompts15271494
Mystery Game Puzzles25%37%
DTBench91.2%96.8%
LMCA55.8%50.4%
Epoch Capabilities Index155.24157.27
SimpleBench67.6%—
Kagi LLM Benchmark83.6%—
CritPt—14.3%
EnigmaEval7.6%—
Thematic Generalization80.6%—
EBR-Bench12.7%—
ForecastBench60—

Math Gemini 3.7 Flash leads

Claude Opus 4.6: 63.0 (#31), Gemini 3.7 Flash: 69.6 (#23)

Math benchmarks
BenchmarkClaude Opus 4.6Gemini 3.7 Flash
FrontierMath (Tiers 1-3)66%71.6%
FrontierMath Tier 426.8%36.6%
OTIS Mock AIME 2024-202594.4%97.2%
ProofBench50%58%
LMArena Math15191507
MathArena Final-Answer Competitions78.5%—
FrontierMath (Feb 2025 set)40.7%—
FrontierMath Tier 4 (v1)22.9%—

Knowledge Gemini 3.7 Flash leads

Claude Opus 4.6: 61.9 (#26), Gemini 3.7 Flash: 69.7 (#5)

Knowledge benchmarks
BenchmarkClaude Opus 4.6Gemini 3.7 Flash
GPQA Diamond90.5%94.8%
SimpleQA Verified47%69.2%
LMArena Expert15461508
Humanity's Last Exam34.4%—
Vectara Hallucination Rate12.2%—

Multimodal Too close to call

Claude Opus 4.6: 37.3 (#74), Gemini 3.7 Flash: 37.3 (#73)

Multimodal benchmarks
BenchmarkClaude Opus 4.6Gemini 3.7 Flash
LMArena Vision13161316
Furniture Assembly28.3%26.7%
LMArena Document1507—

Multilingual Too close to call

Claude Opus 4.6: 57.9 (#6), Gemini 3.7 Flash: 57.6 (#7)

Multilingual benchmarks
BenchmarkClaude Opus 4.6Gemini 3.7 Flash
LMArena Non-English14891484
LMArena Chinese15511548
LMArena French15131505
LMArena German15021498
LMArena Japanese14841512
LMArena Korean14641483
LMArena Russian14971516
LMArena Spanish15101503

Instruction Following Claude Opus 4.6 leads

Claude Opus 4.6: 79.5 (#4), Gemini 3.7 Flash: 77.7 (#15)

Instruction Following benchmarks
BenchmarkClaude Opus 4.6Gemini 3.7 Flash
LMArena Instruction Following15231483

Long Context Claude Opus 4.6 leads

Claude Opus 4.6: 48.1 (#13), Gemini 3.7 Flash: 45.7 (#30)

Long Context benchmarks
BenchmarkClaude Opus 4.6Gemini 3.7 Flash
LMArena Longer Query15201492
CL-bench20.7%—
CL-bench Life17%—

Writing & Preference Claude Opus 4.6 leads

Claude Opus 4.6: 73.5 (#10), Gemini 3.7 Flash: 71.2 (#20)

Writing & Preference benchmarks
BenchmarkClaude Opus 4.6Gemini 3.7 Flash
LMArena Text15031486
LMArena Creative Writing15051490
EQ-Bench Creative Writing18091723
LMArena Multi-Turn15131489
EQ-Bench 41223—

Frequently asked questions

Is Claude Opus 4.6 better than Gemini 3.7 Flash?

Gemini 3.7 Flash is the stronger model overall, scoring 59.8 to 58.2 on the Noometry Index.

Which is cheaper, Claude Opus 4.6 or Gemini 3.7 Flash?

Gemini 3.7 Flash is cheaper. It lists at $0.75 per million input tokens and $3.75 per million output tokens; Claude Opus 4.6 lists at $5 and $25.

Is Claude Opus 4.6 or Gemini 3.7 Flash better for coding?

Claude Opus 4.6 scores higher on coding benchmarks: 57.2 versus 56.2 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.7 Flash does, with 1.05M tokens against 1M.

How many benchmarks do Claude Opus 4.6 and Gemini 3.7 Flash share?

39 benchmarks have published results for both models. Claude Opus 4.6 has 68 scored results on Noometry and Gemini 3.7 Flash has 44.

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