Model comparison

Claude Opus 4.5 vs Gemma 2 2b IT

Claude Opus 4.5 is the stronger model overall, scoring 50.5 to 32.5 on the Noometry Index.

Last verified . 17 shared benchmarks.

Claude Opus 4.5 Anthropic

50.5

Rank #39 Confirmed

Gemma 2 2b IT Google

32.5

Rank #244 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Claude Opus 4.5 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 writing & preference, where Claude Opus 4.5 leads 68.2 to 36.6.
  • Gemma 2 2b IT has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4.5 and Gemma 2 2b IT specifications
Claude Opus 4.5Gemma 2 2b IT
ProviderAnthropicGoogle
Noometry Index50.532.5
Released2025-11-01—
WeightsProprietaryOpen
Context window200K—
Max output64K—
Input $ / M tokens$5—
Output $ / M tokens$25—
Results tracked6917

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Category by category

Coding Claude Opus 4.5 leads

Claude Opus 4.5: 55.4 (#21), Gemma 2 2b IT: 31.8 (#268)

Coding benchmarks
BenchmarkClaude Opus 4.5Gemma 2 2b IT
LMArena Coding15041112
SWE-bench Verified76.7%—
SWE-bench Verified (bash only)76.8%—
LMArena WebDev1493—
SWE-bench Multilingual70.7%—
GSO26.5%—
WeirdML63.7%—
ALE-Bench1,025—
AlgoTune1.77—

Agentic & Tool Use Not comparable

Claude Opus 4.5: 47.2 (#11), Gemma 2 2b IT: —

Agentic & Tool Use benchmarks
BenchmarkClaude Opus 4.5Gemma 2 2b IT
Terminal-Bench63.1%—
Berkeley Function Calling Leaderboard77.5%—
GDPval45.5%—
Remote Labor Index3.8%—
τ²-bench Airline84%—
τ²-bench Banking24.7%—
τ²-bench Retail79.6%—
τ²-bench Telecom92.3%—
Cybench82%—
DeepResearch Bench54.8%—
OSWorld66.3%—
BALROG43.5%—
LMArena Search1180—
METR Time Horizons75%—
Vending-Bench 24,967—

Reasoning Claude Opus 4.5 leads

Claude Opus 4.5: 42.5 (#43), Gemma 2 2b IT: 20.5 (#219)

Reasoning benchmarks
BenchmarkClaude Opus 4.5Gemma 2 2b IT
LMArena Hard Prompts14761113
ARC-AGI-237.6%—
SimpleBench62%—
Kagi LLM Benchmark80.2%—
NYT Connections (extended)52.5%—
ARC-AGI-180%—
Chess Puzzles12%—
EnigmaEval11.9%—
EBR-Bench14.3%—
Mystery Game Puzzles22%—
DTBench89.9%—
LMCA44.5%—
Epoch Capabilities Index150.1—
ForecastBench60.7—

Math Claude Opus 4.5 leads

Claude Opus 4.5: 38.5 (#85), Gemma 2 2b IT: 30.1 (#212)

Math benchmarks
BenchmarkClaude Opus 4.5Gemma 2 2b IT
LMArena Math14631135
FrontierMath (Tiers 1-3)34.4%—
FrontierMath Tier 44.9%—
OTIS Mock AIME 2024-202586.1%—
ProofBench36%—
FrontierMath (Feb 2025 set)20.7%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Claude Opus 4.5 leads

Claude Opus 4.5: 56.4 (#38), Gemma 2 2b IT: 29.3 (#229)

Knowledge benchmarks
BenchmarkClaude Opus 4.5Gemma 2 2b IT
LMArena Expert14881096
GPQA Diamond86%—
Humanity's Last Exam25.2%—
SimpleQA Verified45.7%—
Vectara Hallucination Rate10.9%—

Multimodal Not comparable

Claude Opus 4.5: 31.1 (#99), Gemma 2 2b IT: —

Multimodal benchmarks
BenchmarkClaude Opus 4.5Gemma 2 2b IT
GeoBench75%—
VPCT40%—
Furniture Assembly28.3%—
LMArena Document1462—

Multilingual Claude Opus 4.5 leads

Claude Opus 4.5: 54.5 (#45), Gemma 2 2b IT: 32.5 (#252)

Multilingual benchmarks
BenchmarkClaude Opus 4.5Gemma 2 2b IT
LMArena Non-English14381121
LMArena Chinese14701132
LMArena French14711156
LMArena German14491114
LMArena Japanese14151083
LMArena Korean14241055
LMArena Russian14481118
LMArena Spanish14551140

Instruction Following Claude Opus 4.5 leads

Claude Opus 4.5: 77.7 (#20), Gemma 2 2b IT: 58.1 (#258)

Instruction Following benchmarks
BenchmarkClaude Opus 4.5Gemma 2 2b IT
LMArena Instruction Following14781118

Long Context Claude Opus 4.5 leads

Claude Opus 4.5: 46.4 (#21), Gemma 2 2b IT: 34.2 (#245)

Long Context benchmarks
BenchmarkClaude Opus 4.5Gemma 2 2b IT
LMArena Longer Query14801130
CL-bench21.1%—

Writing & Preference Claude Opus 4.5 leads

Claude Opus 4.5: 68.2 (#28), Gemma 2 2b IT: 36.6 (#258)

Writing & Preference benchmarks
BenchmarkClaude Opus 4.5Gemma 2 2b IT
LMArena Text14511156
LMArena Creative Writing14451147
LMArena Multi-Turn14661118
EQ-Bench Creative Writing1687—

Frequently asked questions

Is Claude Opus 4.5 better than Gemma 2 2b IT?

Claude Opus 4.5 is the stronger model overall, scoring 50.5 to 32.5 on the Noometry Index.

Is Claude Opus 4.5 or Gemma 2 2b IT better for coding?

Claude Opus 4.5 scores higher on coding benchmarks: 55.4 versus 31.8 in the Noometry coding category.

How many benchmarks do Claude Opus 4.5 and Gemma 2 2b IT share?

17 benchmarks have published results for both models. Claude Opus 4.5 has 69 scored results on Noometry and Gemma 2 2b IT has 17.

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