Model Comparison

Grok-4 vs Magistral MediumWhich is better in 2026?

Grok-4 significantly outperforms across most benchmarks.

Verdict: Grok-4 vs Magistral Medium — which is better?

Grok-4 (by xAI) 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.

Grok-4 outperforms in 4 benchmarks (AIME 2025, GPQA, Humanity's Last Exam, LiveCodeBench), while Magistral Medium is better at 0 benchmarks. Grok-4 significantly outperforms across most benchmarks.

Choose Grok-4 if…

  • you want the strongest raw capability — it leads on 4 of 4 shared benchmarks
  • you want the most recent training data — it shipped Jul 2025

Choose Magistral Medium if…

  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Grok-4 outperforms in 4 benchmarks (AIME 2025, GPQA, Humanity's Last Exam, LiveCodeBench), while Magistral Medium is better at 0 benchmarks.

Grok-4 significantly outperforms across most benchmarks.

Sat Jun 27 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Grok-4 specifies input context (256,000 tokens). Only Grok-4 specifies output context (8,000 tokens).

xAI
Grok-4
Input256,000 tokens
Output8,000 tokens
Mistral AI
Magistral Medium
Input- tokens
Output- tokens
Sat Jun 27 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Grok-4 and Magistral Medium support multimodal inputs.

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

Grok-4

Text
Images
Audio
Video

Magistral Medium

Text
Images
Audio
Video

License

Usage and distribution terms

Grok-4 is licensed under a proprietary license, while Magistral Medium uses Apache 2.0.

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

Grok-4

Proprietary

Closed source

Magistral Medium

Apache 2.0

Open weights

Release Timeline

When each model was launched

Grok-4 was released on 2025-07-09, while Magistral Medium was released on 2025-06-10.

Grok-4 is 1 month newer than Magistral Medium.

Grok-4

Jul 9, 2025

11 months ago

4w newer
Magistral Medium

Jun 10, 2025

1.0 years ago

Knowledge Cutoff

When training data ends

Grok-4 has a knowledge cutoff of 2024-12-31, while Magistral Medium has a cutoff of 2025-06-01.

Magistral Medium has more recent training data (up to 2025-06-01), making it potentially better informed about events through that date compared to Grok-4 (2024-12-31).

Grok-4

Dec 2024

Magistral Medium

Jun 2025

6 mo newer

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

xAI
Larger context window (256,000 tokens)
Higher AIME 2025 score (91.7% vs 64.9%)
Higher GPQA score (87.5% vs 70.8%)
Higher Humanity's Last Exam score (40.0% vs 9.0%)
Higher LiveCodeBench score (79.0% vs 50.3%)
Mistral AI
Has open weights
xAIGrok-4
Mistral AIMagistral Medium
Compare in Playground

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Grok-4 and Magistral Medium side-by-side, then vote on the output you prefer.

Grok-4
✓ Preferred
Magistral Medium
Open in Playground
AI Model Comparison Table
Feature
xAI
Grok-4
Mistral AI
Magistral Medium

FAQ

Common questions about Grok-4 vs Magistral Medium.

Which is better, Grok-4 or Magistral Medium?

Grok-4 significantly outperforms across most benchmarks. Grok-4 is made by xAI 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 Grok-4 compare to Magistral Medium in benchmarks?

Grok-4 scores AIME 2025: 91.7%, HMMT25: 90.0%, GPQA: 87.5%, LiveCodeBench: 79.0%, Humanity's Last Exam: 40.0%. 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 Grok-4 and Magistral Medium?

Grok-4 supports 256K 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 Grok-4 and Magistral Medium?

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

Who makes Grok-4 and Magistral Medium?

Grok-4 is developed by xAI and Magistral Medium is developed by Mistral AI.

Related comparisons