Model Comparison

GPT OSS 120B High vs Magistral MediumWhich is better in 2026?

GPT OSS 120B High significantly outperforms across most benchmarks.

Verdict: GPT OSS 120B High vs Magistral Medium — which is better?

GPT OSS 120B High (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 OSS 120B High outperforms in 2 benchmarks (AIME 2025, GPQA), while Magistral Medium is better at 0 benchmarks. GPT OSS 120B High significantly outperforms across most benchmarks.

Choose GPT OSS 120B High if…

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

Choose Magistral Medium if…

  • you are already invested in the Mistral AI ecosystem
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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

GPT OSS 120B High outperforms in 2 benchmarks (AIME 2025, GPQA), while Magistral Medium is better at 0 benchmarks.

GPT OSS 120B High significantly outperforms across most benchmarks.

Sun Jun 07 2026 • llm-stats.com

Arena Performance

Human preference votes

Model Size

Parameter count comparison

92.8B diff

GPT OSS 120B High has 92.8B more parameters than Magistral Medium, making it 386.7% larger.

OpenAI
GPT OSS 120B High
116.8Bparameters
Mistral AI
Magistral Medium
24.0Bparameters
116.8B
GPT OSS 120B High
24.0B
Magistral Medium

Context Window

Maximum input and output token capacity

Only GPT OSS 120B High specifies input context (131,072 tokens). Only GPT OSS 120B High specifies output context (131,072 tokens).

OpenAI
GPT OSS 120B High
Input131,072 tokens
Output131,072 tokens
Mistral AI
Magistral Medium
Input- tokens
Output- tokens
Sun Jun 07 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Magistral Medium supports multimodal inputs, whereas GPT OSS 120B High does not.

Magistral Medium can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT OSS 120B High

Text
Images
Audio
Video

Magistral Medium

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under Apache 2.0.

Both models share the same licensing terms, providing consistent usage rights.

GPT OSS 120B High

Apache 2.0

Open weights

Magistral Medium

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT OSS 120B High was released on 2025-08-05, while Magistral Medium was released on 2025-06-10.

GPT OSS 120B High is 2 months newer than Magistral Medium.

GPT OSS 120B High

Aug 5, 2025

10 months ago

1mo 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 OSS 120B High'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 OSS 120B High's cutoff date.

GPT OSS 120B High

—

Magistral Medium

Jun 2025

Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (131,072 tokens)
Higher AIME 2025 score (92.5% vs 64.9%)
Higher GPQA score (80.9% vs 70.8%)
Mistral AI
Supports multimodal inputs

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT OSS 120B High
Mistral AI
Magistral Medium

FAQ

Common questions about GPT OSS 120B High vs Magistral Medium.

Which is better, GPT OSS 120B High or Magistral Medium?

GPT OSS 120B High significantly outperforms across most benchmarks. GPT OSS 120B High 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 OSS 120B High compare to Magistral Medium in benchmarks?

GPT OSS 120B High scores AIME 2025: 92.5%, MMMLU: 83.8%, LiveCodeBench v6: 81.9%, GPQA: 80.9%, MMLU-Pro: 80.7%. 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 OSS 120B High and Magistral Medium?

GPT OSS 120B High 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 GPT OSS 120B High and Magistral Medium?

Key differences include multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT OSS 120B High and Magistral Medium?

GPT OSS 120B High is developed by OpenAI and Magistral Medium is developed by Mistral AI.

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