Noometry

Model comparison

Claude Opus 5.5 vs Gemma 3 4B

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 28.1 on the Noometry Index. Gemma 3 4B costs 160× less per token, which makes it the better buy when Claude Opus 5.5's lead doesn't matter for your workload.

Last verified . 17 shared benchmarks.

Claude Opus 5.5 Anthropic

68.6

Rank #3 Confirmed

Gemma 3 4B Google

28.1

Rank #326 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Claude Opus 5.5 scores higher in 9 categories and Gemma 3 4B in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Opus 5.5 leads 91.8 to 16.8.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 100% for Claude Opus 5.5 and 7.5% for Gemma 3 4B.
  • Gemma 3 4B is cheaper at $0.04 / $0.08 per million input/output tokens, against $4 / $20 for Claude Opus 5.5.
  • Claude Opus 5.5 accepts more context: 1M tokens versus 131K.
  • Gemma 3 4B has downloadable open weights; the other is API-only.

Side by side

Claude Opus 5.5Gemma 3 4B
ProviderAnthropicGoogle
Noometry Index68.628.1
Released2026-09-222025-03-12
WeightsProprietaryOpen
Context window1M131K
Max output128K4K
Input $ / M tokens$4$0.04
Output $ / M tokens$20$0.08
Results tracked4422

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Category by category

Coding Claude Opus 5.5 leads

Claude Opus 5.5: 71.9 (#3), Gemma 3 4B: 35.9 (#215)

BenchmarkClaude Opus 5.5Gemma 3 4B
LMArena Coding15471230
FrontierCode54.6%—
CursorBench57.8%—
LMArena WebDev1813—
FrontierSWE62.3%—
SciCode66.9%—
MirrorCode77.4%—
ALE-Bench2,147—

Agentic & Tool Use Claude Opus 5.5 leads

Claude Opus 5.5: 45.3 (#15), Gemma 3 4B: 20.9 (#142)

BenchmarkClaude Opus 5.5Gemma 3 4B
APEX-Agents73.5%—
Berkeley Function Calling Leaderboard—19.6%
GDP.pdf30.6%—
Vending-Bench 29,235—

Reasoning Claude Opus 5.5 leads

Claude Opus 5.5: 80.2 (#3), Gemma 3 4B: 13.2 (#335)

BenchmarkClaude Opus 5.5Gemma 3 4B
LMArena Hard Prompts15351253
DTBench98.9%50.9%
LMCA68.2%2.8%
Epoch Capabilities Index167.33116.02
ARC-AGI-293.3%—
Kagi LLM Benchmark—25.2%
NYT Connections (extended)88.5%—
ARC-AGI-198.5%—
CritPt31.7%—
Chess Puzzles—0%
EBR-Bench71.4%—
Mystery Game Puzzles71%—

Math Claude Opus 5.5 leads

Claude Opus 5.5: 91.8 (#3), Gemma 3 4B: 16.8 (#292)

BenchmarkClaude Opus 5.5Gemma 3 4B
OTIS Mock AIME 2024-2025100%7.5%
LMArena Math15061239
FrontierMath (Tiers 1-3)91.2%—
FrontierMath Tier 495%—
ProofBench100%—
FrontierMath Erdős2.9%—

Knowledge Claude Opus 5.5 leads

Claude Opus 5.5: 66.4 (#10), Gemma 3 4B: 11.8 (#299)

BenchmarkClaude Opus 5.5Gemma 3 4B
GPQA Diamond90.6%23.2%
LMArena Expert15471223
SimpleQA Verified72.2%—
Vectara Hallucination Rate—6.4%

Multimodal Not comparable

Claude Opus 5.5: 57.8 (#1), Gemma 3 4B: —

BenchmarkClaude Opus 5.5Gemma 3 4B
LMArena Vision1321—
Blueprint-Bench 251.2%—
Furniture Assembly83.3%—

Multilingual Claude Opus 5.5 leads

Claude Opus 5.5: 59.1 (#2), Gemma 3 4B: 42.5 (#194)

BenchmarkClaude Opus 5.5Gemma 3 4B
LMArena Non-English15071273
LMArena Russian15201294
LMArena Chinese1588—
LMArena French1514—
LMArena German—1281
LMArena Spanish1507—

Instruction Following Claude Opus 5.5 leads

Claude Opus 5.5: 80.0 (#3), Gemma 3 4B: 65.2 (#225)

BenchmarkClaude Opus 5.5Gemma 3 4B
LMArena Instruction Following15371239

Long Context Claude Opus 5.5 leads

Claude Opus 5.5: 47.1 (#19), Gemma 3 4B: 38.7 (#194)

BenchmarkClaude Opus 5.5Gemma 3 4B
LMArena Longer Query15321273

Writing & Preference Claude Opus 5.5 leads

Claude Opus 5.5: 78.2 (#3), Gemma 3 4B: 42.0 (#239)

BenchmarkClaude Opus 5.5Gemma 3 4B
LMArena Text15151291
LMArena Creative Writing15331271
EQ-Bench Creative Writing20501068
LMArena Multi-Turn14991255

Frequently asked questions

Is Claude Opus 5.5 better than Gemma 3 4B?

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 28.1 on the Noometry Index. Gemma 3 4B costs 160× 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 3 4B?

Gemma 3 4B is cheaper. It lists at $0.04 per million input tokens and $0.08 per million output tokens; Claude Opus 5.5 lists at $4 and $20.

Is Claude Opus 5.5 or Gemma 3 4B better for coding?

Claude Opus 5.5 scores higher on coding benchmarks: 71.9 versus 35.9 in the Noometry coding category.

Which has the bigger context window?

Claude Opus 5.5 does, with 1M tokens against 131K.

How many benchmarks do Claude Opus 5.5 and Gemma 3 4B share?

17 benchmarks have published results for both models. Claude Opus 5.5 has 44 scored results on Noometry and Gemma 3 4B has 22.

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