Model comparison
Magistral Small vs Solar Pro4
Solar Pro4 is the stronger model overall, scoring 42.1 to 30.2 on the Noometry Index.
Last verified . 0 shared benchmarks.
Mistral AI
UpstageSummary
- The widest gap is in reasoning, where Solar Pro4 leads 28.5 to 6.8.
- Solar Pro4 is cheaper at $0.30 / $1.20 per million input/output tokens, against $0.50 / $1.50 for Magistral Small.
- Solar Pro4 accepts more context: 524K tokens versus 128K.
- Magistral Small has downloadable open weights; the other is API-only.
Side by side
| Magistral Small | Solar Pro4 | |
|---|---|---|
| Provider | Mistral AI | Upstage |
| Noometry Index | 30.2 | 42.1 |
| Released | 2025-06-10 | 2026-08-06 |
| Weights | Open | Proprietary |
| Context window | 128K | 524K |
| Max output | 40K | 131K |
| Input $ / M tokens | $0.50 | $0.30 |
| Output $ / M tokens | $1.50 | $1.20 |
| Results tracked | 10 | 18 |
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Category by category
Coding Solar Pro4 leads
Magistral Small: 38.4 (#176), Solar Pro4: 40.1 (#149)
| Benchmark | Magistral Small | Solar Pro4 |
|---|---|---|
| LMArena WebDev | — | 1371 |
| SciCode | 35.2% | — |
| LMArena Coding | — | 1437 |
Reasoning Solar Pro4 leads
Magistral Small: 6.8 (#350), Solar Pro4: 28.5 (#104)
| Benchmark | Magistral Small | Solar Pro4 |
|---|---|---|
| ARC-AGI-2 | 0% | — |
| Kagi LLM Benchmark | 6.3% | — |
| ARC-AGI-1 | 5% | — |
| CritPt | 0.3% | — |
| Chess Puzzles | 3% | — |
| LMArena Hard Prompts | — | 1399 |
| DTBench | 61.3% | — |
| Epoch Capabilities Index | 133.19 | — |
Math Solar Pro4 leads
Magistral Small: 26.2 (#261), Solar Pro4: 38.8 (#128)
| Benchmark | Magistral Small | Solar Pro4 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 30% | — |
| LMArena Math | — | 1416 |
Knowledge Solar Pro4 leads
Magistral Small: 30.9 (#223), Solar Pro4: 39.8 (#129)
| Benchmark | Magistral Small | Solar Pro4 |
|---|---|---|
| GPQA Diamond | 56.1% | — |
| LMArena Expert | — | 1427 |
Multilingual Not comparable
Magistral Small: —, Solar Pro4: 48.7 (#139)
| Benchmark | Magistral Small | Solar Pro4 |
|---|---|---|
| LMArena Non-English | — | 1361 |
| LMArena Chinese | — | 1415 |
| LMArena French | — | 1397 |
| LMArena German | — | 1364 |
| LMArena Japanese | — | 1309 |
| LMArena Korean | — | 1382 |
| LMArena Russian | — | 1360 |
| LMArena Spanish | — | 1401 |
Instruction Following Not comparable
Magistral Small: —, Solar Pro4: 72.7 (#132)
| Benchmark | Magistral Small | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | — | 1377 |
Long Context Not comparable
Magistral Small: —, Solar Pro4: 42.1 (#130)
| Benchmark | Magistral Small | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | — | 1381 |
Writing & Preference Not comparable
Magistral Small: —, Solar Pro4: 56.5 (#138)
| Benchmark | Magistral Small | Solar Pro4 |
|---|---|---|
| LMArena Text | — | 1386 |
| LMArena Creative Writing | — | 1316 |
| LMArena Multi-Turn | — | 1385 |
Frequently asked questions
Is Magistral Small better than Solar Pro4?
Solar Pro4 is the stronger model overall, scoring 42.1 to 30.2 on the Noometry Index.
Which is cheaper, Magistral Small or Solar Pro4?
Solar Pro4 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; Magistral Small lists at $0.50 and $1.50.
Is Magistral Small or Solar Pro4 better for coding?
Solar Pro4 scores higher on coding benchmarks: 40.1 versus 38.4 in the Noometry coding category.
Which has the bigger context window?
Solar Pro4 does, with 524K tokens against 128K.
How many benchmarks do Magistral Small and Solar Pro4 share?
0 benchmarks have published results for both models. Magistral Small has 10 scored results on Noometry and Solar Pro4 has 18.