Noometry

Model comparison

Claude Opus 5.5 vs Gemma 2 2b IT

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 33.1 on the Noometry Index.

Last verified . 14 shared benchmarks.

Claude Opus 5.5 Anthropic

68.6

Rank #3 Confirmed

Gemma 2 2b IT Google

33.1

Rank #248 Confirmed

Summary

  • They share 14 benchmarks with published results for both. Claude Opus 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 Opus 5.5 leads 91.8 to 32.6.
  • Gemma 2 2b IT has downloadable open weights; the other is API-only.

Side by side

Claude Opus 5.5Gemma 2 2b IT
ProviderAnthropicGoogle
Noometry Index68.633.1
Released2026-09-22—
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$4—
Output $ / M tokens$20—
Results tracked4417

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Claude Opus 5.5 leads

Claude Opus 5.5: 71.9 (#3), Gemma 2 2b IT: 32.3 (#273)

BenchmarkClaude Opus 5.5Gemma 2 2b IT
LMArena Coding15471112
FrontierCode54.6%—
CursorBench57.8%—
LMArena WebDev1813—
FrontierSWE62.3%—
SciCode66.9%—
MirrorCode77.4%—
ALE-Bench2,147—

Agentic & Tool Use Not comparable

Claude Opus 5.5: 45.3 (#15), Gemma 2 2b IT: —

BenchmarkClaude Opus 5.5Gemma 2 2b IT
APEX-Agents73.5%—
GDP.pdf30.6%—
Vending-Bench 29,235—

Reasoning Claude Opus 5.5 leads

Claude Opus 5.5: 80.2 (#3), Gemma 2 2b IT: 21.4 (#224)

BenchmarkClaude Opus 5.5Gemma 2 2b IT
LMArena Hard Prompts15351113
ARC-AGI-293.3%—
NYT Connections (extended)88.5%—
ARC-AGI-198.5%—
CritPt31.7%—
EBR-Bench71.4%—
Mystery Game Puzzles71%—
DTBench98.9%—
LMCA68.2%—
Epoch Capabilities Index167.33—

Math Claude Opus 5.5 leads

Claude Opus 5.5: 91.8 (#3), Gemma 2 2b IT: 32.6 (#212)

BenchmarkClaude Opus 5.5Gemma 2 2b IT
LMArena Math15061135
FrontierMath (Tiers 1-3)91.2%—
FrontierMath Tier 495%—
OTIS Mock AIME 2024-2025100%—
ProofBench100%—
FrontierMath Erdős2.9%—

Knowledge Claude Opus 5.5 leads

Claude Opus 5.5: 66.4 (#10), Gemma 2 2b IT: 29.9 (#231)

BenchmarkClaude Opus 5.5Gemma 2 2b IT
LMArena Expert15471096
GPQA Diamond90.6%—
SimpleQA Verified72.2%—

Multimodal Not comparable

Claude Opus 5.5: 57.8 (#1), Gemma 2 2b IT: —

BenchmarkClaude Opus 5.5Gemma 2 2b IT
LMArena Vision1321—
Blueprint-Bench 251.2%—
Furniture Assembly83.3%—

Multilingual Claude Opus 5.5 leads

Claude Opus 5.5: 59.1 (#2), Gemma 2 2b IT: 32.3 (#257)

BenchmarkClaude Opus 5.5Gemma 2 2b IT
LMArena Non-English15071121
LMArena Chinese15881132
LMArena French15141157
LMArena Russian15201118
LMArena Spanish15071140
LMArena German—1114
LMArena Japanese—1083
LMArena Korean—1055

Instruction Following Claude Opus 5.5 leads

Claude Opus 5.5: 80.0 (#3), Gemma 2 2b IT: 57.8 (#263)

BenchmarkClaude Opus 5.5Gemma 2 2b IT
LMArena Instruction Following15371118

Long Context Claude Opus 5.5 leads

Claude Opus 5.5: 47.1 (#19), Gemma 2 2b IT: 34.3 (#250)

BenchmarkClaude Opus 5.5Gemma 2 2b IT
LMArena Longer Query15321130

Writing & Preference Claude Opus 5.5 leads

Claude Opus 5.5: 78.2 (#3), Gemma 2 2b IT: 36.5 (#263)

BenchmarkClaude Opus 5.5Gemma 2 2b IT
LMArena Text15151156
LMArena Creative Writing15331147
LMArena Multi-Turn14991118
EQ-Bench Creative Writing2050—

Frequently asked questions

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

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 33.1 on the Noometry Index.

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

Claude Opus 5.5 scores higher on coding benchmarks: 71.9 versus 32.3 in the Noometry coding category.

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

14 benchmarks have published results for both models. Claude Opus 5.5 has 44 scored results on Noometry and Gemma 2 2b IT has 17.

Related comparisons

Go deeper