# Magistral Small vs Solar Pro4

> Solar Pro4 is the stronger model overall, scoring 42.1 to 30.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/magistral-small-vs-solar-pro4
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- 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.

## Snapshot

| | Magistral Small | Solar Pro4 |
|---|---|---|
| Provider | Mistral AI | Upstage |
| Noometry Index | 30.2 | 42.1 |
| Rank | 296 | 121 |
| Context | 128K | 524K |
| Input $/M | $0.50 | $0.30 |
| Output $/M | $1.50 | $1.20 |
| Weights | Open | Proprietary |

## Coding

- 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

- 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

- 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

- Magistral Small: 30.9 (#223)
- Solar Pro4: 39.8 (#129)

| Benchmark | Magistral Small | Solar Pro4 |
|---|---|---|
| GPQA Diamond | 56.1% | — |
| LMArena Expert | — | 1427 |

## Multilingual

- 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

- Magistral Small: —
- Solar Pro4: 72.7 (#132)

| Benchmark | Magistral Small | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | — | 1377 |

## Long Context

- Magistral Small: —
- Solar Pro4: 42.1 (#130)

| Benchmark | Magistral Small | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | — | 1381 |

## Writing & Preference

- Magistral Small: —
- Solar Pro4: 56.5 (#138)

| Benchmark | Magistral Small | Solar Pro4 |
|---|---|---|
| LMArena Text | — | 1386 |
| LMArena Creative Writing | — | 1316 |
| LMArena Multi-Turn | — | 1385 |

## FAQ

### 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.