Model comparison
Mercury vs Mistral Large 3
Mistral Large 3 is the stronger model overall, scoring 38.6 to 37.3 on the Noometry Index.
Last verified . 9 shared benchmarks.
Mistral AISummary
- They share 9 benchmarks with published results for both. Mercury scores higher in 2 categories and Mistral Large 3 in 4 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Mistral Large 3 leads 60.2 to 46.2.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 21.6% for Mercury and 50.9% for Mistral Large 3.
- Mistral Large 3 has downloadable open weights; the other is API-only.
Side by side
| Mercury | Mistral Large 3 | |
|---|---|---|
| Provider | Inception | Mistral AI |
| Noometry Index | 37.3 | 38.6 |
| Released | — | 2025-12-02 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 8K |
| Input $ / M tokens | — | $0.25 |
| Output $ / M tokens | — | $0.75 |
| Results tracked | 9 | 24 |
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Category by category
Coding Mercury leads
Mercury: 38.1 (#164), Mistral Large 3: 34.1 (#230)
| Benchmark | Mercury | Mistral Large 3 |
|---|---|---|
| LMArena Coding | 1323 | 1447 |
| LMArena WebDev | — | 1230 |
Reasoning Mercury leads
Mercury: 16.8 (#288), Mistral Large 3: 14.6 (#314)
| Benchmark | Mercury | Mistral Large 3 |
|---|---|---|
| Kagi LLM Benchmark | 21.6% | 50.9% |
| LMArena Hard Prompts | 1284 | 1429 |
| NYT Connections (extended) | — | 7.5% |
| Thematic Generalization | — | 23% |
Math Not comparable
Mercury: —, Mistral Large 3: 36.0 (#131)
| Benchmark | Mercury | Mistral Large 3 |
|---|---|---|
| LMArena Math | — | 1415 |
Knowledge Not comparable
Mercury: —, Mistral Large 3: 35.5 (#173)
| Benchmark | Mercury | Mistral Large 3 |
|---|---|---|
| Vectara Hallucination Rate | — | 14.5% |
| LMArena Expert | — | 1421 |
Multimodal Not comparable
Mercury: —, Mistral Large 3: 37.6 (#65)
| Benchmark | Mercury | Mistral Large 3 |
|---|---|---|
| LMArena Vision | — | 1222 |
Multilingual Mistral Large 3 leads
Mercury: 41.7 (#201), Mistral Large 3: 52.6 (#79)
| Benchmark | Mercury | Mistral Large 3 |
|---|---|---|
| LMArena Non-English | 1259 | 1412 |
| LMArena Chinese | — | 1448 |
| LMArena French | — | 1456 |
| LMArena German | — | 1438 |
| LMArena Japanese | — | 1399 |
| LMArena Korean | — | 1384 |
| LMArena Russian | — | 1412 |
| LMArena Spanish | — | 1437 |
Instruction Following Mistral Large 3 leads
Mercury: 65.3 (#220), Mistral Large 3: 74.1 (#104)
| Benchmark | Mercury | Mistral Large 3 |
|---|---|---|
| LMArena Instruction Following | 1238 | 1402 |
Long Context Mistral Large 3 leads
Mercury: 38.3 (#193), Mistral Large 3: 43.1 (#102)
| Benchmark | Mercury | Mistral Large 3 |
|---|---|---|
| LMArena Longer Query | 1264 | 1413 |
Writing & Preference Mistral Large 3 leads
Mercury: 46.2 (#216), Mistral Large 3: 60.2 (#100)
| Benchmark | Mercury | Mistral Large 3 |
|---|---|---|
| LMArena Text | 1282 | 1427 |
| LMArena Creative Writing | 1186 | 1385 |
| LMArena Multi-Turn | 1283 | 1429 |
| EQ-Bench Creative Writing | — | 1412 |
Frequently asked questions
Is Mercury better than Mistral Large 3?
Mistral Large 3 is the stronger model overall, scoring 38.6 to 37.3 on the Noometry Index.
Is Mercury or Mistral Large 3 better for coding?
Mercury scores higher on coding benchmarks: 38.1 versus 34.1 in the Noometry coding category.
How many benchmarks do Mercury and Mistral Large 3 share?
9 benchmarks have published results for both models. Mercury has 9 scored results on Noometry and Mistral Large 3 has 24.