Model comparison
Magistral Small vs o1-pro
o1-pro is the stronger model overall, scoring 31.5 to 30.2 on the Noometry Index. Magistral Small costs 350× less per token, which makes it the better buy when o1-pro's lead doesn't matter for your workload.
Last verified . 1 shared benchmarks.
Mistral AISummary
- They share 1 benchmark with published results for both. Magistral Small scores higher in 1 category and o1-pro in 1 category; 2 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where o1-pro leads 20.4 to 6.8.
- The biggest single-benchmark swing is ARC-AGI-1: 5% for Magistral Small and 23.3% for o1-pro.
- Magistral Small is cheaper at $0.50 / $1.50 per million input/output tokens, against $150 / $600 for o1-pro.
- o1-pro accepts more context: 200K tokens versus 128K.
- Magistral Small has downloadable open weights; the other is API-only.
Side by side
| Magistral Small | o1-pro | |
|---|---|---|
| Provider | Mistral AI | OpenAI |
| Noometry Index | 30.2 | 31.5 |
| Released | 2025-06-10 | 2025-03-19 |
| Weights | Open | Proprietary |
| Context window | 128K | 200K |
| Max output | 40K | 100K |
| Input $ / M tokens | $0.50 | $150 |
| Output $ / M tokens | $1.50 | $600 |
| Results tracked | 10 | 3 |
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Category by category
Coding Not comparable
Magistral Small: 38.4 (#176), o1-pro: —
| Benchmark | Magistral Small | o1-pro |
|---|---|---|
| SciCode | 35.2% | — |
Reasoning o1-pro leads
Magistral Small: 6.8 (#350), o1-pro: 20.4 (#239)
| Benchmark | Magistral Small | o1-pro |
|---|---|---|
| ARC-AGI-1 | 5% | 23.3% |
| ARC-AGI-2 | 0% | — |
| Kagi LLM Benchmark | 6.3% | — |
| CritPt | 0.3% | — |
| Chess Puzzles | 3% | — |
| EnigmaEval | — | 6.1% |
| DTBench | 61.3% | — |
| Epoch Capabilities Index | 133.19 | — |
Math Not comparable
Magistral Small: 26.2 (#261), o1-pro: —
| Benchmark | Magistral Small | o1-pro |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 30% | — |
Knowledge Magistral Small leads
Magistral Small: 30.9 (#223), o1-pro: 29.7 (#234)
| Benchmark | Magistral Small | o1-pro |
|---|---|---|
| GPQA Diamond | 56.1% | — |
| Humanity's Last Exam | — | 8.1% |
Frequently asked questions
Is Magistral Small better than o1-pro?
o1-pro is the stronger model overall, scoring 31.5 to 30.2 on the Noometry Index. Magistral Small costs 350× less per token, which makes it the better buy when o1-pro's lead doesn't matter for your workload.
Which is cheaper, Magistral Small or o1-pro?
Magistral Small is cheaper. It lists at $0.50 per million input tokens and $1.50 per million output tokens; o1-pro lists at $150 and $600.
Which has the bigger context window?
o1-pro does, with 200K tokens against 128K.
How many benchmarks do Magistral Small and o1-pro share?
1 benchmark has published results for both models. Magistral Small has 10 scored results on Noometry and o1-pro has 3.