Noometry

Model comparison

Claude Opus 5.5 vs Gemma 2B

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 29.6 on the Noometry Index.

Last verified . 12 shared benchmarks.

Claude Opus 5.5 Anthropic

68.6

Rank #3 Confirmed

Gemma 2B Google

29.6

Rank #307 Confirmed

Summary

  • They share 12 benchmarks with published results for both. Claude Opus 5.5 scores higher in 7 categories and Gemma 2B in 0 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Opus 5.5 leads 91.8 to 30.0.
  • Gemma 2B has downloadable open weights; the other is API-only.

Side by side

Claude Opus 5.5Gemma 2B
ProviderAnthropicGoogle
Noometry Index68.629.6
Released2026-09-222024-02-21
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$4—
Output $ / M tokens$20—
Results tracked4423

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Category by category

Coding Claude Opus 5.5 leads

Claude Opus 5.5: 71.9 (#3), Gemma 2B: 29.4 (#305)

BenchmarkClaude Opus 5.5Gemma 2B
LMArena Coding15471010
FrontierCode54.6%—
CursorBench57.8%—
LMArena WebDev1813—
FrontierSWE62.3%—
SciCode66.9%—
MirrorCode77.4%—
ALE-Bench2,147—
HumanEval+—20.7%
MBPP+—34.1%

Agentic & Tool Use Not comparable

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

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

Reasoning Claude Opus 5.5 leads

Claude Opus 5.5: 80.2 (#3), Gemma 2B: 18.8 (#275)

BenchmarkClaude Opus 5.5Gemma 2B
LMArena Hard Prompts1535989
Epoch Capabilities Index167.3394.2
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%—
BIG-Bench Hard—35.2%
HellaSwag—71.4%
PIQA—77.3%
WinoGrande—65.4%

Math Claude Opus 5.5 leads

Claude Opus 5.5: 91.8 (#3), Gemma 2B: 30.0 (#239)

BenchmarkClaude Opus 5.5Gemma 2B
LMArena Math15061009
FrontierMath (Tiers 1-3)91.2%—
FrontierMath Tier 495%—
OTIS Mock AIME 2024-2025100%—
ProofBench100%—
FrontierMath Erdős2.9%—
GSM8K—17.7%

Knowledge Not comparable

Claude Opus 5.5: 66.4 (#10), Gemma 2B: —

BenchmarkClaude Opus 5.5Gemma 2B
GPQA Diamond90.6%—
SimpleQA Verified72.2%—
LMArena Expert1547—
ARC (AI2) Challenge—42.1%
BoolQ—69.4%
MMLU—42.3%
TriviaQA—53.2%

Multimodal Not comparable

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

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

Multilingual Claude Opus 5.5 leads

Claude Opus 5.5: 59.1 (#2), Gemma 2B: 23.0 (#294)

BenchmarkClaude Opus 5.5Gemma 2B
LMArena Non-English1507958
LMArena Chinese1588986
LMArena Russian1520937
LMArena French1514—
LMArena Spanish1507—

Instruction Following Claude Opus 5.5 leads

Claude Opus 5.5: 80.0 (#3), Gemma 2B: 48.5 (#302)

BenchmarkClaude Opus 5.5Gemma 2B
LMArena Instruction Following1537970

Long Context Claude Opus 5.5 leads

Claude Opus 5.5: 47.1 (#19), Gemma 2B: 29.9 (#291)

BenchmarkClaude Opus 5.5Gemma 2B
LMArena Longer Query1532981

Writing & Preference Claude Opus 5.5 leads

Claude Opus 5.5: 78.2 (#3), Gemma 2B: 24.0 (#308)

BenchmarkClaude Opus 5.5Gemma 2B
LMArena Text15151002
LMArena Creative Writing1533987
LMArena Multi-Turn1499945
EQ-Bench Creative Writing2050—

Frequently asked questions

Is Claude Opus 5.5 better than Gemma 2B?

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 29.6 on the Noometry Index.

Is Claude Opus 5.5 or Gemma 2B better for coding?

Claude Opus 5.5 scores higher on coding benchmarks: 71.9 versus 29.4 in the Noometry coding category.

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

12 benchmarks have published results for both models. Claude Opus 5.5 has 44 scored results on Noometry and Gemma 2B has 23.

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