Model comparison

Gemma 3 12B vs Mistral Medium 3.1

Gemma 3 12B and Mistral Medium 3.1 score almost the same on the Noometry Index (32.1 vs 31.9), so choose on price, context window or the category you care about most.

Last verified . 1 shared benchmarks.

Gemma 3 12B Google

32.1

Rank #262 Confirmed

Mistral Medium 3.1 Mistral AI

31.9

Rank #266 Reported

Summary

  • They share 1 benchmark with published results for both. Gemma 3 12B scores higher in 1 category and Mistral Medium 3.1 in 1 category; 2 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Mistral Medium 3.1 leads 55.5 to 47.5.
  • Gemma 3 12B is cheaper at $0.05 / $0.15 per million input/output tokens, against $0.40 / $2 for Mistral Medium 3.1.
  • Gemma 3 12B has downloadable open weights; the other is API-only.

Side by side

Gemma 3 12B and Mistral Medium 3.1 specifications
Gemma 3 12BMistral Medium 3.1
ProviderGoogleMistral AI
Noometry Index32.131.9
Released2025-03-12—
WeightsOpenProprietary
Context window131K131K
Max output8K105K
Input $ / M tokens$0.05$0.40
Output $ / M tokens$0.15$2
Results tracked243

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Category by category

Coding Not comparable

Gemma 3 12B: 31.7 (#280), Mistral Medium 3.1: —

Coding benchmarks
BenchmarkGemma 3 12BMistral Medium 3.1
SciCode17.4%—
LMArena Coding1281—

Agentic & Tool Use Not comparable

Gemma 3 12B: 25.5 (#108), Mistral Medium 3.1: —

Agentic & Tool Use benchmarks
BenchmarkGemma 3 12BMistral Medium 3.1
Berkeley Function Calling Leaderboard30.4%—

Reasoning Gemma 3 12B leads

Gemma 3 12B: 15.7 (#313), Mistral Medium 3.1: 10.6 (#341)

Reasoning benchmarks
BenchmarkGemma 3 12BMistral Medium 3.1
NYT Connections (extended)—6.5%
CritPt0%—
Chess Puzzles0%—
Thematic Generalization—20.3%
LMArena Hard Prompts1309—
DTBench48.8%—
LMCA4.5%—
Epoch Capabilities Index123.5—

Math Not comparable

Gemma 3 12B: 22.3 (#279), Mistral Medium 3.1: —

Math benchmarks
BenchmarkGemma 3 12BMistral Medium 3.1
OTIS Mock AIME 2024-202516.7%—
LMArena Math1307—

Knowledge Not comparable

Gemma 3 12B: 26.5 (#257), Mistral Medium 3.1: —

Knowledge benchmarks
BenchmarkGemma 3 12BMistral Medium 3.1
GPQA Diamond39.5%—
Vectara Hallucination Rate4.4%—
LMArena Expert1248—

Multimodal Not comparable

Gemma 3 12B: —, Mistral Medium 3.1: —

Multimodal benchmarks
BenchmarkGemma 3 12BMistral Medium 3.1
MindCube46.7%—

Multilingual Not comparable

Gemma 3 12B: 45.7 (#165), Mistral Medium 3.1: —

Multilingual benchmarks
BenchmarkGemma 3 12BMistral Medium 3.1
LMArena Non-English1318—
LMArena German1370—
LMArena Russian1335—

Instruction Following Not comparable

Gemma 3 12B: 68.6 (#186), Mistral Medium 3.1: —

Instruction Following benchmarks
BenchmarkGemma 3 12BMistral Medium 3.1
LMArena Instruction Following1299—

Long Context Not comparable

Gemma 3 12B: 40.0 (#162), Mistral Medium 3.1: —

Long Context benchmarks
BenchmarkGemma 3 12BMistral Medium 3.1
LMArena Longer Query1317—

Writing & Preference Mistral Medium 3.1 leads

Gemma 3 12B: 47.5 (#209), Mistral Medium 3.1: 55.5 (#145)

Writing & Preference benchmarks
BenchmarkGemma 3 12BMistral Medium 3.1
EQ-Bench Creative Writing11261476
LMArena Text1334—
LMArena Creative Writing1331—
LMArena Multi-Turn1334—

Frequently asked questions

Is Gemma 3 12B better than Mistral Medium 3.1?

Gemma 3 12B and Mistral Medium 3.1 score almost the same on the Noometry Index (32.1 vs 31.9), so choose on price, context window or the category you care about most.

Which is cheaper, Gemma 3 12B or Mistral Medium 3.1?

Gemma 3 12B is cheaper. It lists at $0.05 per million input tokens and $0.15 per million output tokens; Mistral Medium 3.1 lists at $0.40 and $2.

Which has the bigger context window?

Both accept 131K tokens.

How many benchmarks do Gemma 3 12B and Mistral Medium 3.1 share?

1 benchmark has published results for both models. Gemma 3 12B has 24 scored results on Noometry and Mistral Medium 3.1 has 3.

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