Noometry

Model comparison

Claude Opus 5 vs Gemini 4 Argon

Claude Opus 5 is the stronger model overall, scoring 67.8 to 56.5 on the Noometry Index.

Last verified . 21 shared benchmarks.

Claude Opus 5 Anthropic

67.8

Rank #4 Confirmed

Gemini 4 Argon Google

56.5

Rank #24 Confirmed

Summary

  • They share 21 benchmarks with published results for both. Claude Opus 5 scores higher in 7 categories and Gemini 4 Argon in 3 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Opus 5 leads 77.2 to 44.2.
  • The biggest single-benchmark swing is Blueprint-Bench 2: 30.4% for Claude Opus 5 and 54.4% for Gemini 4 Argon.

Side by side

Claude Opus 5Gemini 4 Argon
ProviderAnthropicGoogle
Noometry Index67.856.5
Released2026-07-242026-09-30
WeightsProprietaryProprietary
Context window1M—
Max output128K—
Input $ / M tokens$5—
Output $ / M tokens$25—
Results tracked5721

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Category by category

Coding Claude Opus 5 leads

Claude Opus 5: 67.5 (#5), Gemini 4 Argon: 62.0 (#9)

BenchmarkClaude Opus 5Gemini 4 Argon
LMArena WebDev16911678
FrontierSWE52%55%
SciCode56.4%61.8%
LMArena Coding15341550
DeepSWE73.6%—
FrontierCode53.4%—
CursorBench46.6%—
WeirdML91.8%—
ALE-Bench2,165—

Agentic & Tool Use Claude Opus 5 leads

Claude Opus 5: 55.6 (#1), Gemini 4 Argon: 49.2 (#8)

BenchmarkClaude Opus 5Gemini 4 Argon
APEX-Agents65.8%82.2%
Vending-Bench 211,18213,718
OSWorld 2.031.4%—
τ²-bench Banking48.7%—
PostTrainBench35%—
BALROG63.4%—
GBAEval79.6%—
GDP.pdf24%—

Reasoning Claude Opus 5 leads

Claude Opus 5: 77.2 (#4), Gemini 4 Argon: 44.2 (#47)

BenchmarkClaude Opus 5Gemini 4 Argon
CritPt29.1%27.1%
LMArena Hard Prompts15261548
ARC-AGI-290.4%—
SimpleBench80.6%—
NYT Connections (extended)94.3%—
ARC-AGI-197.5%—
Chess Puzzles42%—
EBR-Bench45.7%—
Mystery Game Puzzles59%—
DTBench97.9%—
LMCA64.5%—
Bench to the Future 30.12—
Epoch Capabilities Index162.78—

Math Claude Opus 5 leads

Claude Opus 5: 86.2 (#8), Gemini 4 Argon: 73.9 (#17)

BenchmarkClaude Opus 5Gemini 4 Argon
ProofBench99%99%
LMArena Math15311536
FrontierMath (Tiers 1-3)85.6%—
FrontierMath Tier 473.2%—
OTIS Mock AIME 2024-202598.9%—

Knowledge Claude Opus 5 leads

Claude Opus 5: 66.8 (#9), Gemini 4 Argon: 43.9 (#89)

BenchmarkClaude Opus 5Gemini 4 Argon
LMArena Expert15571553
GPQA Diamond93.9%—
SimpleQA Verified59.9%—

Multimodal Claude Opus 5 leads

Claude Opus 5: 50.8 (#8), Gemini 4 Argon: 46.5 (#14)

BenchmarkClaude Opus 5Gemini 4 Argon
Blueprint-Bench 230.4%54.4%
LMArena Vision1319—
Furniture Assembly60.8%—
LMArena Document1516—

Multilingual Gemini 4 Argon leads

Claude Opus 5: 58.8 (#4), Gemini 4 Argon: 60.3 (#1)

BenchmarkClaude Opus 5Gemini 4 Argon
LMArena Non-English15011523
LMArena Chinese15741610
LMArena Russian15071537
LMArena Spanish15191497
LMArena French1519—
LMArena German1524—
LMArena Japanese1516—
LMArena Korean1521—

Instruction Following Too close to call

Claude Opus 5: 79.2 (#7), Gemini 4 Argon: 80.1 (#2)

BenchmarkClaude Opus 5Gemini 4 Argon
LMArena Instruction Following15171538

Long Context Gemini 4 Argon leads

Claude Opus 5: 46.5 (#21), Gemini 4 Argon: 47.6 (#15)

BenchmarkClaude Opus 5Gemini 4 Argon
LMArena Longer Query15151549

Writing & Preference Claude Opus 5 leads

Claude Opus 5: 79.2 (#1), Gemini 4 Argon: 71.4 (#19)

BenchmarkClaude Opus 5Gemini 4 Argon
LMArena Text15071534
LMArena Creative Writing14911531
LMArena Multi-Turn14991557
EQ-Bench Creative Writing2133—
EQ-Bench 41385—

Frequently asked questions

Is Claude Opus 5 better than Gemini 4 Argon?

Claude Opus 5 is the stronger model overall, scoring 67.8 to 56.5 on the Noometry Index.

Is Claude Opus 5 or Gemini 4 Argon better for coding?

Claude Opus 5 scores higher on coding benchmarks: 67.5 versus 62.0 in the Noometry coding category.

How many benchmarks do Claude Opus 5 and Gemini 4 Argon share?

21 benchmarks have published results for both models. Claude Opus 5 has 57 scored results on Noometry and Gemini 4 Argon has 21.

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