Model Comparison

Gemma 3 12B vs Magistral MediumWhich is better in 2026?

Magistral Medium significantly outperforms across most benchmarks.

Verdict: Gemma 3 12B vs Magistral Medium — which is better?

Gemma 3 12B (by Google) and Magistral Medium (by Mistral AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Gemma 3 12B outperforms in 0 benchmarks, while Magistral Medium is better at 2 benchmarks (GPQA, LiveCodeBench). Magistral Medium significantly outperforms across most benchmarks.

Choose Gemma 3 12B if…

  • you want predictable pricing at $0.05/M input and $0.10/M output

Choose Magistral Medium if…

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
  • you want the most recent training data — it shipped Jun 2025

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Gemma 3 12B outperforms in 0 benchmarks, while Magistral Medium is better at 2 benchmarks (GPQA, LiveCodeBench).

Magistral Medium significantly outperforms across most benchmarks.

Wed Jun 24 2026 • llm-stats.com

Arena Performance

Human preference votes

Model Size

Parameter count comparison

12.0B diff

Magistral Medium has 12.0B more parameters than Gemma 3 12B, making it 100.0% larger.

Google
Gemma 3 12B
12.0Bparameters
Mistral AI
Magistral Medium
24.0Bparameters
12.0B
Gemma 3 12B
24.0B
Magistral Medium

Context Window

Maximum input and output token capacity

Only Gemma 3 12B specifies input context (131,072 tokens). Only Gemma 3 12B specifies output context (131,072 tokens).

Google
Gemma 3 12B
Input131,072 tokens
Output131,072 tokens
Mistral AI
Magistral Medium
Input- tokens
Output- tokens
Wed Jun 24 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemma 3 12B and Magistral Medium support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Gemma 3 12B

Text
Images
Audio
Video

Magistral Medium

Text
Images
Audio
Video

License

Usage and distribution terms

Gemma 3 12B is licensed under Gemma, while Magistral Medium uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

Gemma 3 12B

Gemma

Open weights

Magistral Medium

Apache 2.0

Open weights

Release Timeline

When each model was launched

Gemma 3 12B was released on 2025-03-12, while Magistral Medium was released on 2025-06-10.

Magistral Medium is 3 months newer than Gemma 3 12B.

Gemma 3 12B

Mar 12, 2025

1.3 years ago

Magistral Medium

Jun 10, 2025

1.0 years ago

3mo newer

Knowledge Cutoff

When training data ends

Magistral Medium has a documented knowledge cutoff of 2025-06-01, while Gemma 3 12B's cutoff date is not specified.

We can confirm Magistral Medium's training data extends to 2025-06-01, but cannot make a direct comparison without Gemma 3 12B's cutoff date.

Gemma 3 12B

Magistral Medium

Jun 2025

Outputs Comparison

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Key Takeaways

Larger context window (131,072 tokens)
Higher GPQA score (70.8% vs 40.9%)
Higher LiveCodeBench score (50.3% vs 24.6%)

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemma 3 12B
Mistral AI
Magistral Medium

FAQ

Common questions about Gemma 3 12B vs Magistral Medium.

Which is better, Gemma 3 12B or Magistral Medium?

Magistral Medium significantly outperforms across most benchmarks. Gemma 3 12B is made by Google and Magistral Medium is made by Mistral AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemma 3 12B compare to Magistral Medium in benchmarks?

Gemma 3 12B scores GSM8k: 94.4%, IFEval: 88.9%, DocVQA: 87.1%, BIG-Bench Hard: 85.7%, HumanEval: 85.4%. Magistral Medium scores AIME 2024: 73.6%, GPQA: 70.8%, AIME 2025: 64.9%, LiveCodeBench: 50.3%, Aider-Polyglot: 47.1%.

What are the context window sizes for Gemma 3 12B and Magistral Medium?

Gemma 3 12B supports 131K tokens and Magistral Medium supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemma 3 12B and Magistral Medium?

Key differences include licensing (Gemma vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemma 3 12B and Magistral Medium?

Gemma 3 12B is developed by Google and Magistral Medium is developed by Mistral AI.