DeepSeek R1 Zero vs Magistral Small 2506
DeepSeek R1 Zero shows notably better performance in the majority of benchmarks.
DeepSeek · Mistral AI · Updated for 2026
Which is better?
DeepSeek R1 Zero outperforms in 2 benchmarks (AIME 2024, GPQA), while Magistral Small 2506 is better at 1 benchmark (LiveCodeBench). DeepSeek R1 Zero shows notably better performance in the majority of benchmarks.
Based on current benchmark, pricing, and model metadata for 2026.
Choose DeepSeek R1 Zero
- you want the strongest raw capability — it leads on 2 of 3 shared benchmarks
Choose Magistral Small 2506
- you want the most recent training data — it shipped Jun 2025
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
DeepSeek R1 Zero outperforms in 2 benchmarks (AIME 2024, GPQA), while Magistral Small 2506 is better at 1 benchmark (LiveCodeBench).
DeepSeek R1 Zero shows notably better performance in the majority of benchmarks.
Arena Performance
Playground indexes and blind preference scores
Model Size
Parameter count comparison
DeepSeek R1 Zero has 647.0B more parameters than Magistral Small 2506, making it 2695.8% larger.
License
Usage and distribution terms
DeepSeek R1 Zero is licensed under MIT, while Magistral Small 2506 uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
Apache 2.0
Open weights
Release Timeline
When each model was launched
DeepSeek R1 Zero was released on 2025-01-20, while Magistral Small 2506 was released on 2025-06-10.
Magistral Small 2506 is 5 months newer than DeepSeek R1 Zero.
Jan 20, 2025
1.6 years ago
Jun 10, 2025
1.2 years ago
4mo newerKnowledge Cutoff
When training data ends
Magistral Small 2506 has a documented knowledge cutoff of 2025-06-01, while DeepSeek R1 Zero'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 DeepSeek R1 Zero's cutoff date.
—
Jun 2025
Outputs Comparison
Judge for yourself.
Run your own prompts against DeepSeek R1 Zero and Magistral Small 2506 side-by-side, then vote on the output you prefer.
FAQ
Common questions about DeepSeek R1 Zero vs Magistral Small 2506.