Noometry

Model comparison

Claude Opus 5.5 vs Gemma 3n E4b IT

Claude Opus 5.5 is the stronger model overall, scoring 68.5 to 36.7 on the Noometry Index. Gemma 3n E4b IT costs 107× less per token, which makes it the better buy when Claude Opus 5.5's lead doesn't matter for your workload.

Last verified . 11 shared benchmarks.

Claude Opus 5.5 Anthropic

68.5

Rank #3 Confirmed

Gemma 3n E4b IT Google

36.7

Rank #203 Confirmed

Summary

  • They share 11 benchmarks with published results for both. Claude Opus 5.5 scores higher in 8 categories and Gemma 3n E4b IT in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Opus 5.5 leads 79.5 to 19.2.
  • Gemma 3n E4b IT is cheaper at $0.06 / $0.12 per million input/output tokens, against $4 / $20 for Claude Opus 5.5.
  • Claude Opus 5.5 accepts more context: 1M tokens versus 33K.
  • Gemma 3n E4b IT has downloadable open weights; the other is API-only.

Side by side

Claude Opus 5.5Gemma 3n E4b IT
ProviderAnthropicGoogle
Noometry Index68.536.7
Released2026-09-222025-05-20
WeightsProprietaryOpen
Context window1M33K
Max output128K33K
Input $ / M tokens$4$0.06
Output $ / M tokens$20$0.12
Results tracked3518

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Category by category

Coding Claude Opus 5.5 leads

Claude Opus 5.5: 71.4 (#1), Gemma 3n E4b IT: 36.4 (#193)

BenchmarkClaude Opus 5.5Gemma 3n E4b IT
LMArena Coding15451269
FrontierCode54.4%—
CursorBench57.8%—
LMArena WebDev1820—
FrontierSWE62.3%—
SciCode66.9%—
MirrorCode77.4%—

Agentic & Tool Use Not comparable

Claude Opus 5.5: 45.3 (#13), Gemma 3n E4b IT: —

BenchmarkClaude Opus 5.5Gemma 3n E4b IT
APEX-Agents73.5%—
GDP.pdf30.6%—

Reasoning Claude Opus 5.5 leads

Claude Opus 5.5: 79.5 (#2), Gemma 3n E4b IT: 19.2 (#239)

BenchmarkClaude Opus 5.5Gemma 3n E4b IT
LMArena Hard Prompts15451284
ARC-AGI-292.5%—
Kagi LLM Benchmark—31.5%
NYT Connections (extended)88.5%—
ARC-AGI-197.5%—
CritPt31.7%—
EBR-Bench71.4%—
Mystery Game Puzzles71%—
DTBench98.9%—
LMCA68.2%—

Math Claude Opus 5.5 leads

Claude Opus 5.5: 92.4 (#2), Gemma 3n E4b IT: 32.5 (#186)

BenchmarkClaude Opus 5.5Gemma 3n E4b IT
FrontierMath (Tiers 1-3)91.2%—
FrontierMath Tier 495%—
OTIS Mock AIME 2024-2025100%—
ProofBench100%—
LMArena Math—1251

Knowledge Claude Opus 5.5 leads

Claude Opus 5.5: 66.6 (#9), Gemma 3n E4b IT: 33.6 (#193)

BenchmarkClaude Opus 5.5Gemma 3n E4b IT
LMArena Expert15641245
GPQA Diamond90.6%—
SimpleQA Verified72.2%—

Multimodal Not comparable

Claude Opus 5.5: 56.5 (#2), Gemma 3n E4b IT: —

BenchmarkClaude Opus 5.5Gemma 3n E4b IT
Furniture Assembly83.3%—

Multilingual Claude Opus 5.5 leads

Claude Opus 5.5: 59.8 (#1), Gemma 3n E4b IT: 43.5 (#179)

BenchmarkClaude Opus 5.5Gemma 3n E4b IT
LMArena Non-English15131285
LMArena Chinese15721310
LMArena Russian15321288
LMArena French—1330
LMArena German—1312
LMArena Japanese—1274
LMArena Korean—1259
LMArena Spanish—1305

Instruction Following Claude Opus 5.5 leads

Claude Opus 5.5: 80.1 (#2), Gemma 3n E4b IT: 66.3 (#205)

BenchmarkClaude Opus 5.5Gemma 3n E4b IT
LMArena Instruction Following15351255

Long Context Claude Opus 5.5 leads

Claude Opus 5.5: 47.3 (#18), Gemma 3n E4b IT: 38.8 (#185)

BenchmarkClaude Opus 5.5Gemma 3n E4b IT
LMArena Longer Query15401277

Writing & Preference Claude Opus 5.5 leads

Claude Opus 5.5: 78.7 (#3), Gemma 3n E4b IT: 50.3 (#181)

BenchmarkClaude Opus 5.5Gemma 3n E4b IT
LMArena Text15181306
LMArena Creative Writing15381287
LMArena Multi-Turn15201276
EQ-Bench Creative Writing2050—

Frequently asked questions

Is Claude Opus 5.5 better than Gemma 3n E4b IT?

Claude Opus 5.5 is the stronger model overall, scoring 68.5 to 36.7 on the Noometry Index. Gemma 3n E4b IT costs 107× less per token, which makes it the better buy when Claude Opus 5.5's lead doesn't matter for your workload.

Which is cheaper, Claude Opus 5.5 or Gemma 3n E4b IT?

Gemma 3n E4b IT is cheaper. It lists at $0.06 per million input tokens and $0.12 per million output tokens; Claude Opus 5.5 lists at $4 and $20.

Is Claude Opus 5.5 or Gemma 3n E4b IT better for coding?

Claude Opus 5.5 scores higher on coding benchmarks: 71.4 versus 36.4 in the Noometry coding category.

Which has the bigger context window?

Claude Opus 5.5 does, with 1M tokens against 33K.

How many benchmarks do Claude Opus 5.5 and Gemma 3n E4b IT share?

11 benchmarks have published results for both models. Claude Opus 5.5 has 35 scored results on Noometry and Gemma 3n E4b IT has 18.

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