Noometry

Model comparison

Claude Opus 5.5 vs Gemma 1.1 2b IT

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 29.3 on the Noometry Index.

Last verified . 12 shared benchmarks.

Claude Opus 5.5 Anthropic

68.6

Rank #3 Confirmed

Gemma 1.1 2b IT Google

29.3

Rank #313 Confirmed

Summary

  • They share 12 benchmarks with published results for both. Claude Opus 5.5 scores higher in 8 categories and Gemma 1.1 2b IT in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Opus 5.5 leads 80.2 to 19.1.
  • Gemma 1.1 2b IT has downloadable open weights; the other is API-only.

Side by side

Claude Opus 5.5Gemma 1.1 2b IT
ProviderAnthropicGoogle
Noometry Index68.629.3
Released2026-09-22—
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$4—
Output $ / M tokens$20—
Results tracked4416

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Category by category

Coding Claude Opus 5.5 leads

Claude Opus 5.5: 71.9 (#3), Gemma 1.1 2b IT: 30.1 (#299)

BenchmarkClaude Opus 5.5Gemma 1.1 2b IT
LMArena Coding15471034
FrontierCode54.6%—
CursorBench57.8%—
LMArena WebDev1813—
FrontierSWE62.3%—
SciCode66.9%—
MirrorCode77.4%—
ALE-Bench2,147—
HumanEval+—17.7%
MBPP+—23.3%

Agentic & Tool Use Not comparable

Claude Opus 5.5: 45.3 (#15), Gemma 1.1 2b IT: —

BenchmarkClaude Opus 5.5Gemma 1.1 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 1.1 2b IT: 19.1 (#270)

BenchmarkClaude Opus 5.5Gemma 1.1 2b IT
LMArena Hard Prompts15351005
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 1.1 2b IT: 30.8 (#232)

BenchmarkClaude Opus 5.5Gemma 1.1 2b IT
LMArena Math15061047
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 1.1 2b IT: 26.5 (#258)

BenchmarkClaude Opus 5.5Gemma 1.1 2b IT
LMArena Expert1547970
GPQA Diamond90.6%—
SimpleQA Verified72.2%—

Multimodal Not comparable

Claude Opus 5.5: 57.8 (#1), Gemma 1.1 2b IT: —

BenchmarkClaude Opus 5.5Gemma 1.1 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 1.1 2b IT: 24.6 (#289)

BenchmarkClaude Opus 5.5Gemma 1.1 2b IT
LMArena Non-English1507988
LMArena Chinese15881012
LMArena Russian1520990
LMArena French1514—
LMArena German—944
LMArena Korean—899
LMArena Spanish1507—

Instruction Following Claude Opus 5.5 leads

Claude Opus 5.5: 80.0 (#3), Gemma 1.1 2b IT: 49.9 (#299)

BenchmarkClaude Opus 5.5Gemma 1.1 2b IT
LMArena Instruction Following1537992

Long Context Claude Opus 5.5 leads

Claude Opus 5.5: 47.1 (#19), Gemma 1.1 2b IT: 30.6 (#286)

BenchmarkClaude Opus 5.5Gemma 1.1 2b IT
LMArena Longer Query15321003

Writing & Preference Claude Opus 5.5 leads

Claude Opus 5.5: 78.2 (#3), Gemma 1.1 2b IT: 25.1 (#306)

BenchmarkClaude Opus 5.5Gemma 1.1 2b IT
LMArena Text15151022
LMArena Creative Writing1533998
LMArena Multi-Turn1499959
EQ-Bench Creative Writing2050—

Frequently asked questions

Is Claude Opus 5.5 better than Gemma 1.1 2b IT?

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 29.3 on the Noometry Index.

Is Claude Opus 5.5 or Gemma 1.1 2b IT better for coding?

Claude Opus 5.5 scores higher on coding benchmarks: 71.9 versus 30.1 in the Noometry coding category.

How many benchmarks do Claude Opus 5.5 and Gemma 1.1 2b IT share?

12 benchmarks have published results for both models. Claude Opus 5.5 has 44 scored results on Noometry and Gemma 1.1 2b IT has 16.

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