Model comparison
Mistral Large 4 vs o3-mini
Mistral Large 4 is the stronger model overall, scoring 43.1 to 36.7 on the Noometry Index.
Last verified . 13 shared benchmarks.
Mistral AISummary
- They share 13 benchmarks with published results for both. Mistral Large 4 scores higher in 6 categories and o3-mini in 2 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where Mistral Large 4 leads 40.4 to 28.1.
- Mistral Large 4 is cheaper at $0.68 / $2.09 per million input/output tokens, against $1.10 / $4.40 for o3-mini.
- Mistral Large 4 accepts more context: 1.05M tokens versus 200K.
Side by side
| Mistral Large 4 | o3-mini | |
|---|---|---|
| Provider | Mistral AI | OpenAI |
| Noometry Index | 43.1 | 36.7 |
| Released | 2026-10-06 | 2024-12-20 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 200K |
| Max output | 262K | 100K |
| Input $ / M tokens | $0.68 | $1.10 |
| Output $ / M tokens | $2.09 | $4.40 |
| Results tracked | 15 | 51 |
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Category by category
Coding Mistral Large 4 leads
Mistral Large 4: 48.6 (#57), o3-mini: 40.8 (#132)
| Benchmark | Mistral Large 4 | o3-mini |
|---|---|---|
| LMArena Coding | 1475 | 1378 |
| Aider Polyglot | — | 60.4% |
| LMArena WebDev | 1541 | — |
| SciCode | — | 39.8% |
| GSO | — | 1.3% |
| WeirdML | — | 43.7% |
| LiveBench Coding | — | 82.7% |
| CadEval | — | 54% |
Agentic & Tool Use Not comparable
Mistral Large 4: —, o3-mini: 29.6 (#84)
| Benchmark | Mistral Large 4 | o3-mini |
|---|---|---|
| Cybench | — | 22.5% |
Reasoning Mistral Large 4 leads
Mistral Large 4: 22.5 (#192), o3-mini: 16.3 (#305)
| Benchmark | Mistral Large 4 | o3-mini |
|---|---|---|
| LMArena Hard Prompts | 1444 | 1366 |
| ARC-AGI-2 | — | 3% |
| SimpleBench | — | 22.8% |
| NYT Connections (extended) | 27.4% | — |
| ARC-AGI-1 | — | 34.5% |
| CritPt | — | 0.3% |
| Chess Puzzles | — | 17% |
| LiveBench Reasoning | — | 89.6% |
| Mystery Game Puzzles | — | 7% |
| DTBench | — | 68.8% |
| LiveBench Data Analysis | — | 70.6% |
| LMCA | — | 19% |
| Epoch Capabilities Index | — | 140.34 |
| ForecastBench | — | 59.6 |
| LiveBench | — | 75.9% |
Math Mistral Large 4 leads
Mistral Large 4: 40.4 (#91), o3-mini: 28.1 (#244)
| Benchmark | Mistral Large 4 | o3-mini |
|---|---|---|
| LMArena Math | 1488 | 1396 |
| FrontierMath (Tiers 1-3) | — | 18.6% |
| FrontierMath Tier 4 | — | 0% |
| OTIS Mock AIME 2024-2025 | — | 76.9% |
| LiveBench Math | — | 77.3% |
| MATH Level 5 | — | 96.5% |
| FrontierMath (Feb 2025 set) | — | 12.4% |
| FrontierMath Tier 4 (v1) | — | 4.2% |
Knowledge o3-mini leads
Mistral Large 4: 36.6 (#166), o3-mini: 38.3 (#146)
| Benchmark | Mistral Large 4 | o3-mini |
|---|---|---|
| SimpleQA Verified | 20% | 15.3% |
| LMArena Expert | 1447 | 1364 |
| GPQA Diamond | — | 77% |
| Confabulations | — | 17.9% |
Multilingual Mistral Large 4 leads
Mistral Large 4: 52.6 (#82), o3-mini: 45.7 (#164)
| Benchmark | Mistral Large 4 | o3-mini |
|---|---|---|
| LMArena Non-English | 1415 | 1319 |
| LMArena Chinese | 1491 | 1379 |
| LMArena Russian | 1414 | 1304 |
| LMArena French | — | 1334 |
| LMArena German | — | 1303 |
| LMArena Japanese | — | 1286 |
| LMArena Korean | — | 1314 |
| LMArena Spanish | — | 1321 |
Instruction Following Too close to call
Mistral Large 4: 75.0 (#76), o3-mini: 75.1 (#72)
| Benchmark | Mistral Large 4 | o3-mini |
|---|---|---|
| LMArena Instruction Following | 1424 | 1337 |
| LiveBench Instruction Following | — | 84.4% |
Long Context Mistral Large 4 leads
Mistral Large 4: 43.6 (#89), o3-mini: 33.8 (#256)
| Benchmark | Mistral Large 4 | o3-mini |
|---|---|---|
| LMArena Longer Query | 1429 | 1343 |
| Fiction.LiveBench | — | 50% |
Writing & Preference Mistral Large 4 leads
Mistral Large 4: 60.4 (#97), o3-mini: 50.3 (#182)
| Benchmark | Mistral Large 4 | o3-mini |
|---|---|---|
| LMArena Text | 1427 | 1337 |
| LMArena Creative Writing | 1361 | 1286 |
| LMArena Multi-Turn | 1424 | 1320 |
| Short-Story Creative Writing | — | 61.7% |
| LiveBench Language | — | 50.7% |
Frequently asked questions
Is Mistral Large 4 better than o3-mini?
Mistral Large 4 is the stronger model overall, scoring 43.1 to 36.7 on the Noometry Index.
Which is cheaper, Mistral Large 4 or o3-mini?
Mistral Large 4 is cheaper. It lists at $0.68 per million input tokens and $2.09 per million output tokens; o3-mini lists at $1.10 and $4.40.
Is Mistral Large 4 or o3-mini better for coding?
Mistral Large 4 scores higher on coding benchmarks: 48.6 versus 40.8 in the Noometry coding category.
Which has the bigger context window?
Mistral Large 4 does, with 1.05M tokens against 200K.
How many benchmarks do Mistral Large 4 and o3-mini share?
13 benchmarks have published results for both models. Mistral Large 4 has 15 scored results on Noometry and o3-mini has 51.