Model comparison
Mercury vs Mistral Medium
Mercury is the stronger model overall, scoring 37.6 to 36.3 on the Noometry Index.
Last verified . 9 shared benchmarks.
Mistral AISummary
- They share 9 benchmarks with published results for both. Mercury scores higher in 1 category and Mistral Medium in 5 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Mistral Medium leads 60.0 to 46.2.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 21.6% for Mercury and 50% for Mistral Medium.
- Mistral Medium has downloadable open weights; the other is API-only.
Side by side
| Mercury | Mistral Medium | |
|---|---|---|
| Provider | Inception | Mistral AI |
| Noometry Index | 37.6 | 36.3 |
| Released | — | 2023-12-11 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 262K |
| Input $ / M tokens | — | $1.50 |
| Output $ / M tokens | — | $7.50 |
| Results tracked | 9 | 36 |
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Category by category
Coding Mercury leads
Mercury: 38.7 (#170), Mistral Medium: 34.2 (#243)
| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| LMArena Coding | 1322 | 1434 |
| FrontierCode | — | 8% |
| SciCode | — | 40.2% |
| WeirdML | — | 43.7% |
| ALE-Bench | — | 763.98 |
Agentic & Tool Use Not comparable
Mercury: —, Mistral Medium: 28.3 (#90)
| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 37.7% |
Reasoning Mistral Medium leads
Mercury: 17.5 (#293), Mistral Medium: 24.0 (#167)
| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| Kagi LLM Benchmark | 21.6% | 50% |
| LMArena Hard Prompts | 1285 | 1426 |
| CritPt | — | 0% |
| DTBench | — | 75.5% |
| LMCA | — | 26.1% |
| Surface Evolver Bench | — | 26.9% |
Math Not comparable
Mercury: —, Mistral Medium: 28.1 (#245)
| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 32.2% |
| ProofBench | — | 9% |
| LMArena Math | — | 1408 |
| MATH Level 5 | — | 81.6% |
| FrontierMath (Feb 2025 set) | — | 0.3% |
Knowledge Not comparable
Mercury: —, Mistral Medium: 25.0 (#265)
| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| GPQA Diamond | — | 59.5% |
| Humanity's Last Exam | — | 4.5% |
| Vectara Hallucination Rate | — | 22.7% |
| LMArena Expert | — | 1408 |
Multimodal Not comparable
Mercury: —, Mistral Medium: 35.3 (#88)
| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| LMArena Vision | — | 1172 |
Multilingual Mistral Medium leads
Mercury: 41.6 (#206), Mistral Medium: 52.1 (#91)
| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| LMArena Non-English | 1260 | 1408 |
| LMArena Chinese | — | 1447 |
| LMArena French | — | 1459 |
| LMArena German | — | 1432 |
| LMArena Japanese | — | 1378 |
| LMArena Korean | — | 1380 |
| LMArena Russian | — | 1411 |
| LMArena Spanish | — | 1433 |
Instruction Following Mistral Medium leads
Mercury: 65.2 (#224), Mistral Medium: 73.7 (#116)
| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| LMArena Instruction Following | 1239 | 1398 |
Long Context Mistral Medium leads
Mercury: 38.4 (#198), Mistral Medium: 42.9 (#114)
| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| LMArena Longer Query | 1266 | 1406 |
Writing & Preference Mistral Medium leads
Mercury: 46.2 (#221), Mistral Medium: 60.0 (#103)
| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| LMArena Text | 1282 | 1424 |
| LMArena Creative Writing | 1191 | 1391 |
| LMArena Multi-Turn | 1282 | 1418 |
| Short-Story Creative Writing | — | 77.3% |
Frequently asked questions
Is Mercury better than Mistral Medium?
Mercury is the stronger model overall, scoring 37.6 to 36.3 on the Noometry Index.
Is Mercury or Mistral Medium better for coding?
Mercury scores higher on coding benchmarks: 38.7 versus 34.2 in the Noometry coding category.
How many benchmarks do Mercury and Mistral Medium share?
9 benchmarks have published results for both models. Mercury has 9 scored results on Noometry and Mistral Medium has 36.