Model comparison
Mercury vs Mistral Medium 3.5
Mistral Medium 3.5 is the stronger model overall, scoring 40.2 to 37.6 on the Noometry Index.
Last verified . 9 shared benchmarks.
Mistral AISummary
- They share 9 benchmarks with published results for both. Mercury scores higher in 2 categories and Mistral Medium 3.5 in 4 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Mistral Medium 3.5 leads 58.5 to 46.2.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 21.6% for Mercury and 41.4% for Mistral Medium 3.5.
- Mistral Medium 3.5 has downloadable open weights; the other is API-only.
Side by side
| Mercury | Mistral Medium 3.5 | |
|---|---|---|
| Provider | Inception | Mistral AI |
| Noometry Index | 37.6 | 40.2 |
| Released | — | — |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 210K |
| Input $ / M tokens | — | $1.50 |
| Output $ / M tokens | — | $7.50 |
| Results tracked | 9 | 22 |
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Category by category
Coding Mercury leads
Mercury: 38.7 (#170), Mistral Medium 3.5: 36.0 (#213)
| Benchmark | Mercury | Mistral Medium 3.5 |
|---|---|---|
| LMArena Coding | 1322 | 1461 |
| LMArena WebDev | — | 1264 |
Reasoning Too close to call
Mercury: 17.5 (#293), Mistral Medium 3.5: 17.3 (#295)
| Benchmark | Mercury | Mistral Medium 3.5 |
|---|---|---|
| Kagi LLM Benchmark | 21.6% | 41.4% |
| LMArena Hard Prompts | 1285 | 1436 |
| NYT Connections (extended) | — | 12.9% |
| Epoch Capabilities Index | — | 141.35 |
Math Not comparable
Mercury: —, Mistral Medium 3.5: 39.1 (#113)
| Benchmark | Mercury | Mistral Medium 3.5 |
|---|---|---|
| LMArena Math | — | 1431 |
Knowledge Not comparable
Mercury: —, Mistral Medium 3.5: 40.0 (#126)
| Benchmark | Mercury | Mistral Medium 3.5 |
|---|---|---|
| LMArena Expert | — | 1432 |
Multimodal Not comparable
Mercury: —, Mistral Medium 3.5: 38.3 (#65)
| Benchmark | Mercury | Mistral Medium 3.5 |
|---|---|---|
| LMArena Vision | — | 1223 |
Multilingual Mistral Medium 3.5 leads
Mercury: 41.6 (#206), Mistral Medium 3.5: 51.9 (#100)
| Benchmark | Mercury | Mistral Medium 3.5 |
|---|---|---|
| LMArena Non-English | 1260 | 1404 |
| LMArena Chinese | — | 1442 |
| LMArena French | — | 1448 |
| LMArena German | — | 1451 |
| LMArena Korean | — | 1385 |
| LMArena Russian | — | 1395 |
| LMArena Spanish | — | 1409 |
Instruction Following Mistral Medium 3.5 leads
Mercury: 65.2 (#224), Mistral Medium 3.5: 74.6 (#90)
| Benchmark | Mercury | Mistral Medium 3.5 |
|---|---|---|
| LMArena Instruction Following | 1239 | 1415 |
Long Context Mistral Medium 3.5 leads
Mercury: 38.4 (#198), Mistral Medium 3.5: 43.2 (#103)
| Benchmark | Mercury | Mistral Medium 3.5 |
|---|---|---|
| LMArena Longer Query | 1266 | 1415 |
Writing & Preference Mistral Medium 3.5 leads
Mercury: 46.2 (#221), Mistral Medium 3.5: 58.5 (#117)
| Benchmark | Mercury | Mistral Medium 3.5 |
|---|---|---|
| LMArena Text | 1282 | 1421 |
| LMArena Creative Writing | 1191 | 1374 |
| LMArena Multi-Turn | 1282 | 1423 |
| EQ-Bench 4 | — | 993 |
Frequently asked questions
Is Mercury better than Mistral Medium 3.5?
Mistral Medium 3.5 is the stronger model overall, scoring 40.2 to 37.6 on the Noometry Index.
Is Mercury or Mistral Medium 3.5 better for coding?
Mercury scores higher on coding benchmarks: 38.7 versus 36.0 in the Noometry coding category.
How many benchmarks do Mercury and Mistral Medium 3.5 share?
9 benchmarks have published results for both models. Mercury has 9 scored results on Noometry and Mistral Medium 3.5 has 22.