Model comparison

Codestral vs Gemma 3 12B

Gemma 3 12B is the stronger model overall, scoring 31.8 to 30.1 on the Noometry Index.

Last verified . 0 shared benchmarks.

Codestral Mistral AI

30.1

Rank #287 Reported

Gemma 3 12B Google

31.8

Rank #255 Confirmed

Summary

  • The widest gap is in coding, where Gemma 3 12B leads 31.2 to 26.9.
  • Gemma 3 12B is cheaper at $0.05 / $0.15 per million input/output tokens, against $0.30 / $0.90 for Codestral.
  • Codestral accepts more context: 256K tokens versus 131K.

Side by side

Codestral and Gemma 3 12B specifications
CodestralGemma 3 12B
ProviderMistral AIGoogle
Noometry Index30.131.8
Released2024-05-292025-03-12
WeightsOpenOpen
Context window256K131K
Max output4K8K
Input $ / M tokens$0.30$0.05
Output $ / M tokens$0.90$0.15
Results tracked724

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Category by category

Coding Gemma 3 12B leads

Codestral: 26.9 (#316), Gemma 3 12B: 31.2 (#276)

Coding benchmarks
BenchmarkCodestralGemma 3 12B
Aider Polyglot11.1%—
SciCode—17.4%
BigCodeBench Instruct41.8%—
LMArena Coding—1281
BigCodeBench Complete52.5%—
ALE-Bench137.78—
HumanEval+73.8%—
MBPP+61.9%—

Agentic & Tool Use Not comparable

Codestral: —, Gemma 3 12B: 25.3 (#101)

Agentic & Tool Use benchmarks
BenchmarkCodestralGemma 3 12B
Berkeley Function Calling Leaderboard—30.4%

Reasoning Codestral leads

Codestral: 19.1 (#244), Gemma 3 12B: 15.2 (#307)

Reasoning benchmarks
BenchmarkCodestralGemma 3 12B
Kagi LLM Benchmark32.5%—
CritPt—0%
Chess Puzzles—0%
LMArena Hard Prompts—1309
DTBench—48.8%
LMCA—4.5%
Epoch Capabilities Index—123.49

Math Not comparable

Codestral: —, Gemma 3 12B: 21.0 (#273)

Math benchmarks
BenchmarkCodestralGemma 3 12B
OTIS Mock AIME 2024-2025—16.7%
LMArena Math—1307

Knowledge Not comparable

Codestral: —, Gemma 3 12B: 26.5 (#250)

Knowledge benchmarks
BenchmarkCodestralGemma 3 12B
GPQA Diamond—39.5%
Vectara Hallucination Rate—4.4%
LMArena Expert—1248

Multimodal Not comparable

Codestral: —, Gemma 3 12B: —

Multimodal benchmarks
BenchmarkCodestralGemma 3 12B
MindCube—46.7%

Multilingual Not comparable

Codestral: —, Gemma 3 12B: 45.9 (#160)

Multilingual benchmarks
BenchmarkCodestralGemma 3 12B
LMArena Non-English—1318
LMArena German—1370
LMArena Russian—1335

Instruction Following Not comparable

Codestral: —, Gemma 3 12B: 68.8 (#179)

Instruction Following benchmarks
BenchmarkCodestralGemma 3 12B
LMArena Instruction Following—1299

Long Context Not comparable

Codestral: —, Gemma 3 12B: 40.0 (#157)

Long Context benchmarks
BenchmarkCodestralGemma 3 12B
LMArena Longer Query—1317

Writing & Preference Not comparable

Codestral: —, Gemma 3 12B: 47.7 (#205)

Writing & Preference benchmarks
BenchmarkCodestralGemma 3 12B
LMArena Text—1334
LMArena Creative Writing—1331
EQ-Bench Creative Writing—1126
LMArena Multi-Turn—1334

Frequently asked questions

Is Codestral better than Gemma 3 12B?

Gemma 3 12B is the stronger model overall, scoring 31.8 to 30.1 on the Noometry Index.

Which is cheaper, Codestral or Gemma 3 12B?

Gemma 3 12B is cheaper. It lists at $0.05 per million input tokens and $0.15 per million output tokens; Codestral lists at $0.30 and $0.90.

Is Codestral or Gemma 3 12B better for coding?

Gemma 3 12B scores higher on coding benchmarks: 31.2 versus 26.9 in the Noometry coding category.

Which has the bigger context window?

Codestral does, with 256K tokens against 131K.

How many benchmarks do Codestral and Gemma 3 12B share?

0 benchmarks have published results for both models. Codestral has 7 scored results on Noometry and Gemma 3 12B has 24.

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