# Codestral vs Solar Pro4

> Solar Pro4 is the stronger model overall, scoring 41.5 to 30.1 on the Noometry Index.

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

## Summary

- The widest gap is in coding, where Solar Pro4 leads 39.9 to 26.9.
- Codestral is cheaper at $0.30 / $0.90 per million input/output tokens, against $0.30 / $1.20 for Solar Pro4.
- Solar Pro4 accepts more context: 524K tokens versus 256K.
- Codestral has downloadable open weights; the other is API-only.

## Snapshot

| | Codestral | Solar Pro4 |
|---|---|---|
| Provider | Mistral AI | Upstage |
| Noometry Index | 30.1 | 41.5 |
| Rank | 287 | 123 |
| Context | 256K | 524K |
| Input $/M | $0.30 | $0.30 |
| Output $/M | $0.90 | $1.20 |
| Weights | Open | Proprietary |

## Coding

- Codestral: 26.9 (#316)
- Solar Pro4: 39.9 (#135)

| Benchmark | Codestral | Solar Pro4 |
|---|---|---|
| Aider Polyglot | 11.1% | — |
| LMArena WebDev | — | 1371 |
| BigCodeBench Instruct | 41.8% | — |
| LMArena Coding | — | 1439 |
| BigCodeBench Complete | 52.5% | — |
| ALE-Bench | 137.78 | — |
| HumanEval+ | 73.8% | — |
| MBPP+ | 61.9% | — |

## Reasoning

- Codestral: 19.1 (#244)
- Solar Pro4: 27.3 (#107)

| Benchmark | Codestral | Solar Pro4 |
|---|---|---|
| Kagi LLM Benchmark | 32.5% | — |
| LMArena Hard Prompts | — | 1398 |

## Math

- Codestral: —
- Solar Pro4: 36.1 (#129)

| Benchmark | Codestral | Solar Pro4 |
|---|---|---|
| LMArena Math | — | 1418 |

## Knowledge

- Codestral: —
- Solar Pro4: 39.0 (#128)

| Benchmark | Codestral | Solar Pro4 |
|---|---|---|
| LMArena Expert | — | 1421 |

## Multilingual

- Codestral: —
- Solar Pro4: 49.0 (#134)

| Benchmark | Codestral | 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

- Codestral: —
- Solar Pro4: 72.8 (#128)

| Benchmark | Codestral | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | — | 1376 |

## Long Context

- Codestral: —
- Solar Pro4: 42.0 (#125)

| Benchmark | Codestral | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | — | 1379 |

## Writing & Preference

- Codestral: —
- Solar Pro4: 56.7 (#133)

| Benchmark | Codestral | Solar Pro4 |
|---|---|---|
| LMArena Text | — | 1386 |
| LMArena Creative Writing | — | 1313 |
| LMArena Multi-Turn | — | 1391 |

## FAQ

### Is Codestral better than Solar Pro4?

Solar Pro4 is the stronger model overall, scoring 41.5 to 30.1 on the Noometry Index.

### Which is cheaper, Codestral or Solar Pro4?

Codestral is cheaper. It lists at $0.30 per million input tokens and $0.90 per million output tokens; Solar Pro4 lists at $0.30 and $1.20.

### Is Codestral or Solar Pro4 better for coding?

Solar Pro4 scores higher on coding benchmarks: 39.9 versus 26.9 in the Noometry coding category.

### Which has the bigger context window?

Solar Pro4 does, with 524K tokens against 256K.

### How many benchmarks do Codestral and Solar Pro4 share?

0 benchmarks have published results for both models. Codestral has 7 scored results on Noometry and Solar Pro4 has 18.