Model comparison
Mercury 2 vs Mistral
Mercury 2 is the stronger model overall, scoring 39.1 to 29.9 on the Noometry Index.
Last verified . 11 shared benchmarks.
Mistral AISummary
- They share 11 benchmarks with published results for both. Mercury 2 scores higher in 6 categories and Mistral in 1 category; 6 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Mercury 2 leads 36.2 to 16.6.
Side by side
| Mercury 2 | Mistral | |
|---|---|---|
| Provider | Inception | Mistral AI |
| Noometry Index | 39.1 | 29.9 |
| Released | 2026-02-20 | — |
| Weights | Proprietary | Proprietary |
| Context window | 128K | — |
| Max output | 50K | — |
| Input $ / M tokens | $0.25 | — |
| Output $ / M tokens | $0.75 | — |
| Results tracked | 17 | 22 |
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Category by category
Coding Too close to call
Mercury 2: 33.5 (#255), Mistral: 33.8 (#250)
| Benchmark | Mercury 2 | Mistral |
|---|---|---|
| LMArena Coding | 1391 | 1162 |
| LMArena WebDev | 1171 | — |
| SciCode | 38.7% | — |
| WeirdML | 43.2% | — |
| ALE-Bench | 785.58 | — |
Reasoning Mercury 2 leads
Mercury 2: 23.8 (#170), Mistral: 22.2 (#200)
| Benchmark | Mercury 2 | Mistral |
|---|---|---|
| LMArena Hard Prompts | 1362 | 1149 |
| CritPt | 0.8% | — |
Math Not comparable
Mercury 2: —, Mistral: 22.3 (#278)
| Benchmark | Mercury 2 | Mistral |
|---|---|---|
| Omni-MATH | — | 7.2% |
| LMArena Math | — | 1180 |
Knowledge Mercury 2 leads
Mercury 2: 36.2 (#172), Mistral: 16.6 (#288)
| Benchmark | Mercury 2 | Mistral |
|---|---|---|
| LMArena Expert | 1358 | 1125 |
| MMLU-Pro | — | 27.7% |
| Vectara Hallucination Rate | 12.3% | — |
| GPQA (HELM) | — | 30.3% |
Multilingual Mercury 2 leads
Mercury 2: 46.6 (#157), Mistral: 32.8 (#254)
| Benchmark | Mercury 2 | Mistral |
|---|---|---|
| LMArena Non-English | 1331 | 1129 |
| LMArena Chinese | 1417 | 1109 |
| LMArena Russian | 1304 | 1168 |
| LMArena French | — | 1180 |
| LMArena German | — | 1155 |
| LMArena Japanese | — | 1013 |
| LMArena Korean | — | 1032 |
| LMArena Spanish | — | 1143 |
Instruction Following Mercury 2 leads
Mercury 2: 70.2 (#165), Mistral: 52.6 (#288)
| Benchmark | Mercury 2 | Mistral |
|---|---|---|
| LMArena Instruction Following | 1329 | 1152 |
| IFEval | — | 56.8% |
Long Context Mercury 2 leads
Mercury 2: 40.5 (#154), Mistral: 35.0 (#245)
| Benchmark | Mercury 2 | Mistral |
|---|---|---|
| LMArena Longer Query | 1330 | 1153 |
Writing & Preference Mercury 2 leads
Mercury 2: 53.8 (#155), Mistral: 37.0 (#260)
| Benchmark | Mercury 2 | Mistral |
|---|---|---|
| LMArena Text | 1355 | 1165 |
| LMArena Creative Writing | 1289 | 1158 |
| LMArena Multi-Turn | 1358 | 1147 |
| WildBench | — | 66% |
Frequently asked questions
Is Mercury 2 better than Mistral?
Mercury 2 is the stronger model overall, scoring 39.1 to 29.9 on the Noometry Index.
Is Mercury 2 or Mistral better for coding?
They score almost the same on coding (33.5 vs 33.8); test both on your own repository before choosing.
How many benchmarks do Mercury 2 and Mistral share?
11 benchmarks have published results for both models. Mercury 2 has 17 scored results on Noometry and Mistral has 22.