Noometry

Model comparison

Claude 3 Opus vs Gemma 3 12B

Gemma 3 12B is the stronger model overall, scoring 32.1 to 29.5 on the Noometry Index.

Last verified . 18 shared benchmarks.

Claude 3 Opus Anthropic

29.5

Rank #310 Confirmed

Gemma 3 12B Google

32.1

Rank #262 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Claude 3 Opus scores higher in 1 category and Gemma 3 12B in 8 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in math, where Gemma 3 12B leads 22.3 to 14.8.
  • The biggest single-benchmark swing is DTBench: 61.6% for Claude 3 Opus and 48.8% for Gemma 3 12B.
  • Gemma 3 12B has downloadable open weights; the other is API-only.

Side by side

Claude 3 OpusGemma 3 12B
ProviderAnthropicGoogle
Noometry Index29.532.1
Released2024-02-292025-03-12
WeightsProprietaryOpen
Context window—131K
Max output—8K
Input $ / M tokens—$0.05
Output $ / M tokens—$0.15
Results tracked4624

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Category by category

Coding Claude 3 Opus leads

Claude 3 Opus: 32.9 (#267), Gemma 3 12B: 31.7 (#280)

BenchmarkClaude 3 OpusGemma 3 12B
LMArena Coding12641281
SciCode—17.4%
WeirdML19.2%—
BigCodeBench Instruct45.5%—
LiveBench Coding38.6%—
BigCodeBench Complete57.4%—
HumanEval+77.4%—
MBPP+73.3%—

Agentic & Tool Use Too close to call

Claude 3 Opus: 24.6 (#116), Gemma 3 12B: 25.5 (#108)

BenchmarkClaude 3 OpusGemma 3 12B
Berkeley Function Calling Leaderboard—30.4%
Cybench10%—
METR Time Horizons29.5%—

Reasoning Gemma 3 12B leads

Claude 3 Opus: 14.6 (#324), Gemma 3 12B: 15.7 (#313)

BenchmarkClaude 3 OpusGemma 3 12B
Chess Puzzles5%0%
LMArena Hard Prompts12451309
DTBench61.6%48.8%
LMCA17%4.5%
Epoch Capabilities Index126.91123.5
SimpleBench23.5%—
CritPt—0%
EnigmaEval0.8%—
LiveBench Reasoning40.6%—
LiveBench Data Analysis57.9%—
ForecastBench58.4—
LiveBench49.2%—
WinoGrande88.5%—

Math Gemma 3 12B leads

Claude 3 Opus: 14.8 (#299), Gemma 3 12B: 22.3 (#279)

BenchmarkClaude 3 OpusGemma 3 12B
OTIS Mock AIME 2024-20254.7%16.7%
LMArena Math12731307
LiveBench Math43.6%—
MATH Level 537.5%—

Knowledge Gemma 3 12B leads

Claude 3 Opus: 24.5 (#267), Gemma 3 12B: 26.5 (#257)

BenchmarkClaude 3 OpusGemma 3 12B
GPQA Diamond47.2%39.5%
LMArena Expert12231248
SimpleQA Verified12.6%—
Confabulations22.7%—
Vectara Hallucination Rate—4.4%
MMLU84.6%—

Multimodal Not comparable

Claude 3 Opus: 27.1 (#116), Gemma 3 12B: —

BenchmarkClaude 3 OpusGemma 3 12B
LMArena Vision1023—
MindCube—46.7%

Multilingual Gemma 3 12B leads

Claude 3 Opus: 41.4 (#207), Gemma 3 12B: 45.7 (#165)

BenchmarkClaude 3 OpusGemma 3 12B
LMArena Non-English12581318
LMArena German12581370
LMArena Russian12801335
LMArena Chinese1248—
LMArena French1275—
LMArena Japanese1204—
LMArena Korean1187—
LMArena Spanish1246—

Instruction Following Gemma 3 12B leads

Claude 3 Opus: 64.1 (#228), Gemma 3 12B: 68.6 (#186)

BenchmarkClaude 3 OpusGemma 3 12B
LMArena Instruction Following12481299
LiveBench Instruction Following63.9%—

Long Context Gemma 3 12B leads

Claude 3 Opus: 38.2 (#202), Gemma 3 12B: 40.0 (#162)

BenchmarkClaude 3 OpusGemma 3 12B
LMArena Longer Query12591317

Writing & Preference Too close to call

Claude 3 Opus: 47.2 (#213), Gemma 3 12B: 47.5 (#209)

BenchmarkClaude 3 OpusGemma 3 12B
LMArena Text12621334
LMArena Creative Writing12351331
LMArena Multi-Turn12751334
EQ-Bench Creative Writing—1126
LiveBench Language50.4%—

Frequently asked questions

Is Claude 3 Opus better than Gemma 3 12B?

Gemma 3 12B is the stronger model overall, scoring 32.1 to 29.5 on the Noometry Index.

Is Claude 3 Opus or Gemma 3 12B better for coding?

Claude 3 Opus scores higher on coding benchmarks: 32.9 versus 31.7 in the Noometry coding category.

How many benchmarks do Claude 3 Opus and Gemma 3 12B share?

18 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Gemma 3 12B has 24.

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