Model comparison
Mistral Medium 3.5 vs o1-pro
Mistral Medium 3.5 is the stronger model overall, scoring 40.2 to 31.5 on the Noometry Index.
Last verified . 0 shared benchmarks.
Mistral AISummary
- The widest gap is in knowledge, where Mistral Medium 3.5 leads 40.0 to 29.7.
- Mistral Medium 3.5 is cheaper at $1.50 / $7.50 per million input/output tokens, against $150 / $600 for o1-pro.
- Mistral Medium 3.5 accepts more context: 262K tokens versus 200K.
- Mistral Medium 3.5 has downloadable open weights; the other is API-only.
Side by side
| Mistral Medium 3.5 | o1-pro | |
|---|---|---|
| Provider | Mistral AI | OpenAI |
| Noometry Index | 40.2 | 31.5 |
| Released | — | 2025-03-19 |
| Weights | Open | Proprietary |
| Context window | 262K | 200K |
| Max output | 210K | 100K |
| Input $ / M tokens | $1.50 | $150 |
| Output $ / M tokens | $7.50 | $600 |
| Results tracked | 22 | 3 |
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Category by category
Coding Not comparable
Mistral Medium 3.5: 36.0 (#213), o1-pro: —
| Benchmark | Mistral Medium 3.5 | o1-pro |
|---|---|---|
| LMArena WebDev | 1264 | — |
| LMArena Coding | 1461 | — |
Reasoning o1-pro leads
Mistral Medium 3.5: 17.3 (#295), o1-pro: 20.4 (#239)
| Benchmark | Mistral Medium 3.5 | o1-pro |
|---|---|---|
| Kagi LLM Benchmark | 41.4% | — |
| NYT Connections (extended) | 12.9% | — |
| ARC-AGI-1 | — | 23.3% |
| EnigmaEval | — | 6.1% |
| LMArena Hard Prompts | 1436 | — |
| Epoch Capabilities Index | 141.35 | — |
Math Not comparable
Mistral Medium 3.5: 39.1 (#113), o1-pro: —
| Benchmark | Mistral Medium 3.5 | o1-pro |
|---|---|---|
| LMArena Math | 1431 | — |
Knowledge Mistral Medium 3.5 leads
Mistral Medium 3.5: 40.0 (#126), o1-pro: 29.7 (#234)
| Benchmark | Mistral Medium 3.5 | o1-pro |
|---|---|---|
| Humanity's Last Exam | — | 8.1% |
| LMArena Expert | 1432 | — |
Multimodal Not comparable
Mistral Medium 3.5: 38.3 (#65), o1-pro: —
| Benchmark | Mistral Medium 3.5 | o1-pro |
|---|---|---|
| LMArena Vision | 1223 | — |
Multilingual Not comparable
Mistral Medium 3.5: 51.9 (#100), o1-pro: —
| Benchmark | Mistral Medium 3.5 | o1-pro |
|---|---|---|
| LMArena Non-English | 1404 | — |
| LMArena Chinese | 1442 | — |
| LMArena French | 1448 | — |
| LMArena German | 1451 | — |
| LMArena Korean | 1385 | — |
| LMArena Russian | 1395 | — |
| LMArena Spanish | 1409 | — |
Instruction Following Not comparable
Mistral Medium 3.5: 74.6 (#90), o1-pro: —
| Benchmark | Mistral Medium 3.5 | o1-pro |
|---|---|---|
| LMArena Instruction Following | 1415 | — |
Long Context Not comparable
Mistral Medium 3.5: 43.2 (#103), o1-pro: —
| Benchmark | Mistral Medium 3.5 | o1-pro |
|---|---|---|
| LMArena Longer Query | 1415 | — |
Writing & Preference Not comparable
Mistral Medium 3.5: 58.5 (#117), o1-pro: —
| Benchmark | Mistral Medium 3.5 | o1-pro |
|---|---|---|
| LMArena Text | 1421 | — |
| LMArena Creative Writing | 1374 | — |
| EQ-Bench 4 | 993 | — |
| LMArena Multi-Turn | 1423 | — |
Frequently asked questions
Is Mistral Medium 3.5 better than o1-pro?
Mistral Medium 3.5 is the stronger model overall, scoring 40.2 to 31.5 on the Noometry Index.
Which is cheaper, Mistral Medium 3.5 or o1-pro?
Mistral Medium 3.5 is cheaper. It lists at $1.50 per million input tokens and $7.50 per million output tokens; o1-pro lists at $150 and $600.
Which has the bigger context window?
Mistral Medium 3.5 does, with 262K tokens against 200K.
How many benchmarks do Mistral Medium 3.5 and o1-pro share?
0 benchmarks have published results for both models. Mistral Medium 3.5 has 22 scored results on Noometry and o1-pro has 3.