Model comparison
Magistral Small vs Mercury
Mercury is the stronger model overall, scoring 37.6 to 30.2 on the Noometry Index.
Last verified . 1 shared benchmarks.
Summary
- They share 1 benchmark with published results for both. Magistral Small scores higher in 0 categories and Mercury in 2 categories; one gap is clear of the uncertainty.
- The widest gap is in reasoning, where Mercury leads 17.5 to 6.8.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 6.3% for Magistral Small and 21.6% for Mercury.
- Magistral Small has downloadable open weights; the other is API-only.
Side by side
| Magistral Small | Mercury | |
|---|---|---|
| Provider | Mistral AI | Inception |
| Noometry Index | 30.2 | 37.6 |
| Released | 2025-06-10 | — |
| Weights | Open | Proprietary |
| Context window | 128K | — |
| Max output | 40K | — |
| Input $ / M tokens | $0.50 | — |
| Output $ / M tokens | $1.50 | — |
| Results tracked | 10 | 9 |
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Category by category
Coding Too close to call
Magistral Small: 38.4 (#176), Mercury: 38.7 (#170)
| Benchmark | Magistral Small | Mercury |
|---|---|---|
| SciCode | 35.2% | — |
| LMArena Coding | — | 1322 |
Reasoning Mercury leads
Magistral Small: 6.8 (#350), Mercury: 17.5 (#293)
| Benchmark | Magistral Small | Mercury |
|---|---|---|
| Kagi LLM Benchmark | 6.3% | 21.6% |
| ARC-AGI-2 | 0% | — |
| ARC-AGI-1 | 5% | — |
| CritPt | 0.3% | — |
| Chess Puzzles | 3% | — |
| LMArena Hard Prompts | — | 1285 |
| DTBench | 61.3% | — |
| Epoch Capabilities Index | 133.19 | — |
Math Not comparable
Magistral Small: 26.2 (#261), Mercury: —
| Benchmark | Magistral Small | Mercury |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 30% | — |
Knowledge Not comparable
Magistral Small: 30.9 (#223), Mercury: —
| Benchmark | Magistral Small | Mercury |
|---|---|---|
| GPQA Diamond | 56.1% | — |
Multilingual Not comparable
Magistral Small: —, Mercury: 41.6 (#206)
| Benchmark | Magistral Small | Mercury |
|---|---|---|
| LMArena Non-English | — | 1260 |
Instruction Following Not comparable
Magistral Small: —, Mercury: 65.2 (#224)
| Benchmark | Magistral Small | Mercury |
|---|---|---|
| LMArena Instruction Following | — | 1239 |
Long Context Not comparable
Magistral Small: —, Mercury: 38.4 (#198)
| Benchmark | Magistral Small | Mercury |
|---|---|---|
| LMArena Longer Query | — | 1266 |
Writing & Preference Not comparable
Magistral Small: —, Mercury: 46.2 (#221)
| Benchmark | Magistral Small | Mercury |
|---|---|---|
| LMArena Text | — | 1282 |
| LMArena Creative Writing | — | 1191 |
| LMArena Multi-Turn | — | 1282 |
Frequently asked questions
Is Magistral Small better than Mercury?
Mercury is the stronger model overall, scoring 37.6 to 30.2 on the Noometry Index.
Is Magistral Small or Mercury better for coding?
They score almost the same on coding (38.4 vs 38.7); test both on your own repository before choosing.
How many benchmarks do Magistral Small and Mercury share?
1 benchmark has published results for both models. Magistral Small has 10 scored results on Noometry and Mercury has 9.