Noometry

Model comparison

Claude Sonnet 5.5 vs Gemma 3 4B

Claude Sonnet 5.5 is the stronger model overall, scoring 61.9 to 28.1 on the Noometry Index. Gemma 3 4B costs 80× less per token, which makes it the better buy when Claude Sonnet 5.5's lead doesn't matter for your workload.

Last verified . 14 shared benchmarks.

Claude Sonnet 5.5 Anthropic

61.9

Rank #10 Confirmed

Gemma 3 4B Google

28.1

Rank #326 Confirmed

Summary

  • They share 14 benchmarks with published results for both. Claude Sonnet 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 Sonnet 5.5 leads 87.9 to 16.8.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 100% for Claude Sonnet 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 $2 / $10 for Claude Sonnet 5.5.
  • Claude Sonnet 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 Sonnet 5.5Gemma 3 4B
ProviderAnthropicGoogle
Noometry Index61.928.1
Released2026-09-282025-03-12
WeightsProprietaryOpen
Context window1M131K
Max output128K4K
Input $ / M tokens$2$0.04
Output $ / M tokens$10$0.08
Results tracked3222

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Category by category

Coding Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 67.3 (#6), Gemma 3 4B: 35.9 (#215)

BenchmarkClaude Sonnet 5.5Gemma 3 4B
LMArena Coding15131230
FrontierCode52.1%—
CursorBench55.5%—
LMArena WebDev1774—
FrontierSWE61.9%—
SciCode61%—
ALE-Bench1,819—

Agentic & Tool Use Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 45.0 (#16), Gemma 3 4B: 20.9 (#142)

BenchmarkClaude Sonnet 5.5Gemma 3 4B
APEX-Agents75.5%—
Berkeley Function Calling Leaderboard—19.6%

Reasoning Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 54.0 (#28), Gemma 3 4B: 13.2 (#335)

BenchmarkClaude Sonnet 5.5Gemma 3 4B
LMArena Hard Prompts14951253
Epoch Capabilities Index165.03116.02
Kagi LLM Benchmark—25.2%
NYT Connections (extended)80.5%—
CritPt31.4%—
Chess Puzzles—0%
Mystery Game Puzzles65%—
DTBench—50.9%
LMCA—2.8%

Math Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 87.9 (#6), Gemma 3 4B: 16.8 (#292)

BenchmarkClaude Sonnet 5.5Gemma 3 4B
OTIS Mock AIME 2024-2025100%7.5%
LMArena Math15101239
FrontierMath (Tiers 1-3)88.8%—
FrontierMath Tier 480.5%—
ProofBench100%—
FrontierMath Erdős2.9%—

Knowledge Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 66.0 (#12), Gemma 3 4B: 11.8 (#299)

BenchmarkClaude Sonnet 5.5Gemma 3 4B
GPQA Diamond95.6%23.2%
LMArena Expert15401223
SimpleQA Verified46.5%—
Vectara Hallucination Rate—6.4%

Multimodal Not comparable

Claude Sonnet 5.5: 51.5 (#6), Gemma 3 4B: —

BenchmarkClaude Sonnet 5.5Gemma 3 4B
LMArena Vision1289—
Furniture Assembly75%—

Multilingual Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 55.3 (#30), Gemma 3 4B: 42.5 (#194)

BenchmarkClaude Sonnet 5.5Gemma 3 4B
LMArena Non-English14521273
LMArena Russian14511294
LMArena Chinese1522—
LMArena German—1281

Instruction Following Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 78.3 (#11), Gemma 3 4B: 65.2 (#225)

BenchmarkClaude Sonnet 5.5Gemma 3 4B
LMArena Instruction Following14951239

Long Context Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 45.9 (#28), Gemma 3 4B: 38.7 (#194)

BenchmarkClaude Sonnet 5.5Gemma 3 4B
LMArena Longer Query14981273

Writing & Preference Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 66.0 (#40), Gemma 3 4B: 42.0 (#239)

BenchmarkClaude Sonnet 5.5Gemma 3 4B
LMArena Text14711291
LMArena Creative Writing14651271
LMArena Multi-Turn14741255
EQ-Bench Creative Writing—1068

Frequently asked questions

Is Claude Sonnet 5.5 better than Gemma 3 4B?

Claude Sonnet 5.5 is the stronger model overall, scoring 61.9 to 28.1 on the Noometry Index. Gemma 3 4B costs 80× less per token, which makes it the better buy when Claude Sonnet 5.5's lead doesn't matter for your workload.

Which is cheaper, Claude Sonnet 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 Sonnet 5.5 lists at $2 and $10.

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

Claude Sonnet 5.5 scores higher on coding benchmarks: 67.3 versus 35.9 in the Noometry coding category.

Which has the bigger context window?

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

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

14 benchmarks have published results for both models. Claude Sonnet 5.5 has 32 scored results on Noometry and Gemma 3 4B has 22.

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