Noometry

Model comparison

Claude Sonnet 5.5 vs Gemma 2 2b IT

Claude Sonnet 5.5 is the stronger model overall, scoring 61.9 to 33.1 on the Noometry Index.

Last verified . 12 shared benchmarks.

Claude Sonnet 5.5 Anthropic

61.9

Rank #10 Confirmed

Gemma 2 2b IT Google

33.1

Rank #248 Confirmed

Summary

  • They share 12 benchmarks with published results for both. Claude Sonnet 5.5 scores higher in 8 categories and Gemma 2 2b IT in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Sonnet 5.5 leads 87.9 to 32.6.
  • Gemma 2 2b IT has downloadable open weights; the other is API-only.

Side by side

Claude Sonnet 5.5Gemma 2 2b IT
ProviderAnthropicGoogle
Noometry Index61.933.1
Released2026-09-28—
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$2—
Output $ / M tokens$10—
Results tracked3217

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Category by category

Coding Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 67.3 (#6), Gemma 2 2b IT: 32.3 (#273)

BenchmarkClaude Sonnet 5.5Gemma 2 2b IT
LMArena Coding15131112
FrontierCode52.1%—
CursorBench55.5%—
LMArena WebDev1774—
FrontierSWE61.9%—
SciCode61%—
ALE-Bench1,819—

Agentic & Tool Use Not comparable

Claude Sonnet 5.5: 45.0 (#16), Gemma 2 2b IT: —

BenchmarkClaude Sonnet 5.5Gemma 2 2b IT
APEX-Agents75.5%—

Reasoning Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 54.0 (#28), Gemma 2 2b IT: 21.4 (#224)

BenchmarkClaude Sonnet 5.5Gemma 2 2b IT
LMArena Hard Prompts14951113
NYT Connections (extended)80.5%—
CritPt31.4%—
Mystery Game Puzzles65%—
Epoch Capabilities Index165.03—

Math Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 87.9 (#6), Gemma 2 2b IT: 32.6 (#212)

BenchmarkClaude Sonnet 5.5Gemma 2 2b IT
LMArena Math15101135
FrontierMath (Tiers 1-3)88.8%—
FrontierMath Tier 480.5%—
OTIS Mock AIME 2024-2025100%—
ProofBench100%—
FrontierMath Erdős2.9%—

Knowledge Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 66.0 (#12), Gemma 2 2b IT: 29.9 (#231)

BenchmarkClaude Sonnet 5.5Gemma 2 2b IT
LMArena Expert15401096
GPQA Diamond95.6%—
SimpleQA Verified46.5%—

Multimodal Not comparable

Claude Sonnet 5.5: 51.5 (#6), Gemma 2 2b IT: —

BenchmarkClaude Sonnet 5.5Gemma 2 2b IT
LMArena Vision1289—
Furniture Assembly75%—

Multilingual Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 55.3 (#30), Gemma 2 2b IT: 32.3 (#257)

BenchmarkClaude Sonnet 5.5Gemma 2 2b IT
LMArena Non-English14521121
LMArena Chinese15221132
LMArena Russian14511118
LMArena French—1157
LMArena German—1114
LMArena Japanese—1083
LMArena Korean—1055
LMArena Spanish—1140

Instruction Following Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 78.3 (#11), Gemma 2 2b IT: 57.8 (#263)

BenchmarkClaude Sonnet 5.5Gemma 2 2b IT
LMArena Instruction Following14951118

Long Context Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 45.9 (#28), Gemma 2 2b IT: 34.3 (#250)

BenchmarkClaude Sonnet 5.5Gemma 2 2b IT
LMArena Longer Query14981130

Writing & Preference Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 66.0 (#40), Gemma 2 2b IT: 36.5 (#263)

BenchmarkClaude Sonnet 5.5Gemma 2 2b IT
LMArena Text14711156
LMArena Creative Writing14651147
LMArena Multi-Turn14741118

Frequently asked questions

Is Claude Sonnet 5.5 better than Gemma 2 2b IT?

Claude Sonnet 5.5 is the stronger model overall, scoring 61.9 to 33.1 on the Noometry Index.

Is Claude Sonnet 5.5 or Gemma 2 2b IT better for coding?

Claude Sonnet 5.5 scores higher on coding benchmarks: 67.3 versus 32.3 in the Noometry coding category.

How many benchmarks do Claude Sonnet 5.5 and Gemma 2 2b IT share?

12 benchmarks have published results for both models. Claude Sonnet 5.5 has 32 scored results on Noometry and Gemma 2 2b IT has 17.

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