GPT-4o vs Magistral Small 2506
GPT-4o and Magistral Small 2506 are closely matched at 14.3 and 10.9 on the LLM Stats Score.
OpenAI · Mistral AI · Updated for 2026
Which is better?
GPT-4o and Magistral Small 2506 are closely matched on the overall LLM Stats Score at 14.3 and 10.9.
The models split the 2 individual benchmarks reported for both models evenly.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose GPT-4o
- you want predictable pricing at $2.50/M input and $10.00/M output
Choose Magistral Small 2506
- you want the most recent training data — it shipped Jun 2025
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
38 reported for GPT-4o · 4 for Magistral Small 2506
GPT-4o outperforms in 1 benchmarks (GPQA), while Magistral Small 2506 is better at 1 benchmark (AIME 2024).
Both models are evenly matched across the benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only GPT-4o specifies input context (128,000 tokens). Only GPT-4o specifies output context (16,384 tokens).
Input capabilities
Documented input modalities across available providers
GPT-4o supports multimodal inputs, whereas Magistral Small 2506 does not.
GPT-4o can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-4o
Magistral Small 2506
License
Usage and distribution terms
GPT-4o is licensed under a proprietary license, while Magistral Small 2506 uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
GPT-4o was released on 2024-08-06, while Magistral Small 2506 was released on 2025-06-10.
Magistral Small 2506 is 10 months newer than GPT-4o.
Aug 6, 2024
2.1 years ago
Jun 10, 2025
1.2 years ago
10mo newerKnowledge Cutoff
When training data ends
Magistral Small 2506 has a documented knowledge cutoff of 2025-06-01, while GPT-4o's cutoff date is not specified.
We can confirm Magistral Small 2506's training data extends to 2025-06-01, but cannot make a direct comparison without GPT-4o's cutoff date.
—
Jun 2025
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-4o and Magistral Small 2506 side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-4o vs Magistral Small 2506.