# Ministral 3B vs Solar Pro4

> Solar Pro4 is the stronger model overall, scoring 41.5 to 25.6 on the Noometry Index. Ministral 3B costs 13× less per token, which makes it the better buy when Solar Pro4's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/ministral-3b-vs-solar-pro4
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in knowledge, where Solar Pro4 leads 39.0 to 10.4.
- Ministral 3B is cheaper at $0.04 / $0.04 per million input/output tokens, against $0.30 / $1.20 for Solar Pro4.
- Solar Pro4 accepts more context: 524K tokens versus 128K.
- Ministral 3B has downloadable open weights; the other is API-only.

## Snapshot

| | Ministral 3B | Solar Pro4 |
|---|---|---|
| Provider | Mistral AI | Upstage |
| Noometry Index | 25.6 | 41.5 |
| Rank | 336 | 123 |
| Context | 128K | 524K |
| Input $/M | $0.04 | $0.30 |
| Output $/M | $0.04 | $1.20 |
| Weights | Open | Proprietary |

## Coding

- Ministral 3B: —
- Solar Pro4: 39.9 (#135)

| Benchmark | Ministral 3B | Solar Pro4 |
|---|---|---|
| LMArena WebDev | — | 1371 |
| LMArena Coding | — | 1439 |

## Reasoning

- Ministral 3B: 17.7 (#278)
- Solar Pro4: 27.3 (#107)

| Benchmark | Ministral 3B | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | — | 1398 |
| DTBench | 51.7% | — |
| LMCA | 5.5% | — |
| Epoch Capabilities Index | 118.08 | — |

## Math

- Ministral 3B: 24.5 (#257)
- Solar Pro4: 36.1 (#129)

| Benchmark | Ministral 3B | Solar Pro4 |
|---|---|---|
| LMArena Math | — | 1418 |
| MATH Level 5 | 14.4% | — |

## Knowledge

- Ministral 3B: 10.4 (#297)
- Solar Pro4: 39.0 (#128)

| Benchmark | Ministral 3B | Solar Pro4 |
|---|---|---|
| GPQA Diamond | 25.3% | — |
| Vectara Hallucination Rate | 7.3% | — |
| LMArena Expert | — | 1421 |

## Multilingual

- Ministral 3B: —
- Solar Pro4: 49.0 (#134)

| Benchmark | Ministral 3B | Solar Pro4 |
|---|---|---|
| LMArena Non-English | — | 1362 |
| LMArena Chinese | — | 1417 |
| LMArena French | — | 1403 |
| LMArena German | — | 1351 |
| LMArena Japanese | — | 1300 |
| LMArena Korean | — | 1383 |
| LMArena Russian | — | 1360 |
| LMArena Spanish | — | 1408 |

## Instruction Following

- Ministral 3B: —
- Solar Pro4: 72.8 (#128)

| Benchmark | Ministral 3B | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | — | 1376 |

## Long Context

- Ministral 3B: —
- Solar Pro4: 42.0 (#125)

| Benchmark | Ministral 3B | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | — | 1379 |

## Writing & Preference

- Ministral 3B: —
- Solar Pro4: 56.7 (#133)

| Benchmark | Ministral 3B | Solar Pro4 |
|---|---|---|
| LMArena Text | — | 1386 |
| LMArena Creative Writing | — | 1313 |
| LMArena Multi-Turn | — | 1391 |

## FAQ

### Is Ministral 3B better than Solar Pro4?

Solar Pro4 is the stronger model overall, scoring 41.5 to 25.6 on the Noometry Index. Ministral 3B costs 13× less per token, which makes it the better buy when Solar Pro4's lead doesn't matter for your workload.

### Which is cheaper, Ministral 3B or Solar Pro4?

Ministral 3B is cheaper. It lists at $0.04 per million input tokens and $0.04 per million output tokens; Solar Pro4 lists at $0.30 and $1.20.

### Which has the bigger context window?

Solar Pro4 does, with 524K tokens against 128K.

### How many benchmarks do Ministral 3B and Solar Pro4 share?

0 benchmarks have published results for both models. Ministral 3B has 6 scored results on Noometry and Solar Pro4 has 18.