Model Comparison

GPT-5.4 vs Magistral MediumWhich is better in 2026?

GPT-5.4 significantly outperforms across most benchmarks.

Verdict: GPT-5.4 vs Magistral Medium — which is better?

GPT-5.4 (by OpenAI) 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.

GPT-5.4 outperforms in 2 benchmarks (GPQA, Humanity's Last Exam), while Magistral Medium is better at 0 benchmarks. GPT-5.4 significantly outperforms across most benchmarks.

Choose GPT-5.4 if…

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
  • you want the most recent training data — it shipped Mar 2026

Choose Magistral Medium if…

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

Comparative analysis across standard metrics

2 benchmarks

GPT-5.4 outperforms in 2 benchmarks (GPQA, Humanity's Last Exam), while Magistral Medium is better at 0 benchmarks.

GPT-5.4 significantly outperforms across most benchmarks.

Sun Jun 07 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only GPT-5.4 specifies input context (1,000,000 tokens). Only GPT-5.4 specifies output context (128,000 tokens).

OpenAI
GPT-5.4
Input1,000,000 tokens
Output128,000 tokens
Mistral AI
Magistral Medium
Input- tokens
Output- tokens
Sun Jun 07 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-5.4 and Magistral Medium support multimodal inputs.

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

GPT-5.4

Text
Images
Audio
Video

Magistral Medium

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5.4 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.

GPT-5.4

Proprietary

Closed source

Magistral Medium

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT-5.4 was released on 2026-03-05, while Magistral Medium was released on 2025-06-10.

GPT-5.4 is 9 months newer than Magistral Medium.

GPT-5.4

Mar 5, 2026

3 months ago

8mo newer
Magistral Medium

Jun 10, 2025

12 months ago

Knowledge Cutoff

When training data ends

Magistral Medium has a documented knowledge cutoff of 2025-06-01, while GPT-5.4'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 GPT-5.4's cutoff date.

GPT-5.4

—

Magistral Medium

Jun 2025

Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (1,000,000 tokens)
Higher GPQA score (92.8% vs 70.8%)
Higher Humanity's Last Exam score (39.8% vs 9.0%)
Mistral AI
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.4
Mistral AI
Magistral Medium

FAQ

Common questions about GPT-5.4 vs Magistral Medium.

Which is better, GPT-5.4 or Magistral Medium?

GPT-5.4 significantly outperforms across most benchmarks. GPT-5.4 is made by OpenAI 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 GPT-5.4 compare to Magistral Medium in benchmarks?

GPT-5.4 scores Tau2 Telecom: 98.9%, ARC-AGI: 93.7%, Graphwalks BFS <128k: 93.0%, GPQA: 92.8%, Graphwalks parents <128k: 89.8%. 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 GPT-5.4 and Magistral Medium?

GPT-5.4 supports 1.0M 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 GPT-5.4 and Magistral Medium?

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

Who makes GPT-5.4 and Magistral Medium?

GPT-5.4 is developed by OpenAI and Magistral Medium is developed by Mistral AI.

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