# MiMo-V2-Pro vs Solar Pro4

> MiMo-V2-Pro and Solar Pro4 score almost the same on the Noometry Index (43.0 vs 42.1), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/mimo-v2-pro-vs-solar-pro4
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. MiMo-V2-Pro scores higher in 6 categories and Solar Pro4 in 2 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Solar Pro4 leads 28.5 to 22.1.
- Both cost about the same: $0.43 input and $0.87 output per million tokens.
- MiMo-V2-Pro accepts more context: 1.05M tokens versus 524K.

## Snapshot

| | MiMo-V2-Pro | Solar Pro4 |
|---|---|---|
| Provider | Xiaomi | Upstage |
| Noometry Index | 43.0 | 42.1 |
| Rank | 103 | 121 |
| Context | 1.05M | 524K |
| Input $/M | $0.43 | $0.30 |
| Output $/M | $0.87 | $1.20 |
| Weights | Proprietary | Proprietary |

## Coding

- MiMo-V2-Pro: 43.8 (#83)
- Solar Pro4: 40.1 (#149)

| Benchmark | MiMo-V2-Pro | Solar Pro4 |
|---|---|---|
| LMArena WebDev | 1433 | 1371 |
| LMArena Coding | 1476 | 1437 |
| ALE-Bench | 785.17 | — |

## Reasoning

- MiMo-V2-Pro: 22.1 (#206)
- Solar Pro4: 28.5 (#104)

| Benchmark | MiMo-V2-Pro | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1457 | 1399 |
| NYT Connections (extended) | 25.8% | — |
| Thematic Generalization | 45.9% | — |

## Math

- MiMo-V2-Pro: 39.5 (#102)
- Solar Pro4: 38.8 (#128)

| Benchmark | MiMo-V2-Pro | Solar Pro4 |
|---|---|---|
| LMArena Math | 1447 | 1416 |

## Knowledge

- MiMo-V2-Pro: 41.4 (#111)
- Solar Pro4: 39.8 (#129)

| Benchmark | MiMo-V2-Pro | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1478 | 1427 |

## Multilingual

- MiMo-V2-Pro: 52.7 (#81)
- Solar Pro4: 48.7 (#139)

| Benchmark | MiMo-V2-Pro | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1416 | 1361 |
| LMArena Chinese | 1456 | 1415 |
| LMArena French | 1469 | 1397 |
| LMArena German | 1417 | 1364 |
| LMArena Japanese | 1366 | 1309 |
| LMArena Korean | 1400 | 1382 |
| LMArena Russian | 1427 | 1360 |
| LMArena Spanish | 1457 | 1401 |

## Instruction Following

- MiMo-V2-Pro: 76.0 (#49)
- Solar Pro4: 72.7 (#132)

| Benchmark | MiMo-V2-Pro | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1445 | 1377 |

## Long Context

- MiMo-V2-Pro: 41.5 (#138)
- Solar Pro4: 42.1 (#130)

| Benchmark | MiMo-V2-Pro | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1455 | 1381 |
| CL-bench | 15.7% | — |
| CL-bench Life | 6.9% | — |

## Writing & Preference

- MiMo-V2-Pro: 62.8 (#70)
- Solar Pro4: 56.5 (#138)

| Benchmark | MiMo-V2-Pro | Solar Pro4 |
|---|---|---|
| LMArena Text | 1436 | 1386 |
| LMArena Creative Writing | 1415 | 1316 |
| LMArena Multi-Turn | 1456 | 1385 |

## FAQ

### Is MiMo-V2-Pro better than Solar Pro4?

MiMo-V2-Pro and Solar Pro4 score almost the same on the Noometry Index (43.0 vs 42.1), so choose on price, context window or the category you care about most.

### Which is cheaper, MiMo-V2-Pro or Solar Pro4?

Solar Pro4 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; MiMo-V2-Pro lists at $0.43 and $0.87.

### Is MiMo-V2-Pro or Solar Pro4 better for coding?

MiMo-V2-Pro scores higher on coding benchmarks: 43.8 versus 40.1 in the Noometry coding category.

### Which has the bigger context window?

MiMo-V2-Pro does, with 1.05M tokens against 524K.

### How many benchmarks do MiMo-V2-Pro and Solar Pro4 share?

18 benchmarks have published results for both models. MiMo-V2-Pro has 23 scored results on Noometry and Solar Pro4 has 18.