# Ministral 8B vs Solar Pro4

> Solar Pro4 is the stronger model overall, scoring 41.5 to 27.8 on the Noometry Index. Ministral 8B costs 5.2× 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-8b-vs-solar-pro4
- Last updated: 2026-10-10
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Ministral 8B scores higher in 0 categories and Solar Pro4 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Solar Pro4 leads 39.0 to 12.5.
- Ministral 8B is cheaper at $0.10 / $0.10 per million input/output tokens, against $0.30 / $1.20 for Solar Pro4.
- Solar Pro4 accepts more context: 524K tokens versus 128K.
- Ministral 8B has downloadable open weights; the other is API-only.

## Snapshot

| | Ministral 8B | Solar Pro4 |
|---|---|---|
| Provider | Mistral AI | Upstage |
| Noometry Index | 27.8 | 41.5 |
| Rank | 321 | 123 |
| Context | 128K | 524K |
| Input $/M | $0.10 | $0.30 |
| Output $/M | $0.10 | $1.20 |
| Weights | Open | Proprietary |

## Coding

- Ministral 8B: 34.4 (#226)
- Solar Pro4: 39.9 (#135)

| Benchmark | Ministral 8B | Solar Pro4 |
|---|---|---|
| LMArena Coding | 1202 | 1439 |
| LMArena WebDev | — | 1371 |

## Agentic & Tool Use

- Ministral 8B: 16.2 (#140)
- Solar Pro4: —

| Benchmark | Ministral 8B | Solar Pro4 |
|---|---|---|
| Berkeley Function Calling Leaderboard | 11.1% | — |

## Reasoning

- Ministral 8B: 17.7 (#279)
- Solar Pro4: 27.3 (#107)

| Benchmark | Ministral 8B | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1191 | 1398 |
| DTBench | 45.7% | — |

## Math

- Ministral 8B: 23.7 (#262)
- Solar Pro4: 36.1 (#129)

| Benchmark | Ministral 8B | Solar Pro4 |
|---|---|---|
| LMArena Math | 1188 | 1418 |
| MATH Level 5 | 14.9% | — |

## Knowledge

- Ministral 8B: 12.5 (#292)
- Solar Pro4: 39.0 (#128)

| Benchmark | Ministral 8B | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1170 | 1421 |
| GPQA Diamond | 27.1% | — |
| Vectara Hallucination Rate | 7.4% | — |

## Multilingual

- Ministral 8B: 35.3 (#242)
- Solar Pro4: 49.0 (#134)

| Benchmark | Ministral 8B | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1165 | 1362 |
| LMArena Chinese | 1193 | 1417 |
| LMArena Russian | 1195 | 1360 |
| LMArena French | — | 1403 |
| LMArena German | — | 1351 |
| LMArena Japanese | — | 1300 |
| LMArena Korean | — | 1383 |
| LMArena Spanish | — | 1408 |

## Instruction Following

- Ministral 8B: 60.7 (#245)
- Solar Pro4: 72.8 (#128)

| Benchmark | Ministral 8B | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1161 | 1376 |

## Long Context

- Ministral 8B: 36.7 (#222)
- Solar Pro4: 42.0 (#125)

| Benchmark | Ministral 8B | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1212 | 1379 |

## Writing & Preference

- Ministral 8B: 39.8 (#241)
- Solar Pro4: 56.7 (#133)

| Benchmark | Ministral 8B | Solar Pro4 |
|---|---|---|
| LMArena Text | 1191 | 1386 |
| LMArena Creative Writing | 1175 | 1313 |
| LMArena Multi-Turn | 1166 | 1391 |

## FAQ

### Is Ministral 8B better than Solar Pro4?

Solar Pro4 is the stronger model overall, scoring 41.5 to 27.8 on the Noometry Index. Ministral 8B costs 5.2× less per token, which makes it the better buy when Solar Pro4's lead doesn't matter for your workload.

### Which is cheaper, Ministral 8B or Solar Pro4?

Ministral 8B is cheaper. It lists at $0.10 per million input tokens and $0.10 per million output tokens; Solar Pro4 lists at $0.30 and $1.20.

### Is Ministral 8B or Solar Pro4 better for coding?

Solar Pro4 scores higher on coding benchmarks: 39.9 versus 34.4 in the Noometry coding category.

### Which has the bigger context window?

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

### How many benchmarks do Ministral 8B and Solar Pro4 share?

12 benchmarks have published results for both models. Ministral 8B has 17 scored results on Noometry and Solar Pro4 has 18.