# Qwen1.5-14B vs Solar Pro4

> Solar Pro4 is the stronger model overall, scoring 41.5 to 32.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/qwen1-5-14b-vs-solar-pro4
- Last updated: 2026-10-10
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. Qwen1.5-14B scores higher in 0 categories and Solar Pro4 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Solar Pro4 leads 56.7 to 33.7.
- Qwen1.5-14B has downloadable open weights; the other is API-only.

## Snapshot

| | Qwen1.5-14B | Solar Pro4 |
|---|---|---|
| Provider | Alibaba (Qwen) | Upstage |
| Noometry Index | 32.1 | 41.5 |
| Rank | 250 | 123 |
| Context | — | 524K |
| Input $/M | — | $0.30 |
| Output $/M | — | $1.20 |
| Weights | Open | Proprietary |

## Coding

- Qwen1.5-14B: 32.5 (#259)
- Solar Pro4: 39.9 (#135)

| Benchmark | Qwen1.5-14B | Solar Pro4 |
|---|---|---|
| LMArena Coding | 1138 | 1439 |
| LMArena WebDev | — | 1371 |

## Reasoning

- Qwen1.5-14B: 20.5 (#217)
- Solar Pro4: 27.3 (#107)

| Benchmark | Qwen1.5-14B | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1113 | 1398 |

## Math

- Qwen1.5-14B: 29.9 (#214)
- Solar Pro4: 36.1 (#129)

| Benchmark | Qwen1.5-14B | Solar Pro4 |
|---|---|---|
| LMArena Math | 1125 | 1418 |

## Knowledge

- Qwen1.5-14B: 29.3 (#230)
- Solar Pro4: 39.0 (#128)

| Benchmark | Qwen1.5-14B | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1094 | 1421 |
| MMLU | 68.6% | — |

## Multilingual

- Qwen1.5-14B: 30.8 (#257)
- Solar Pro4: 49.0 (#134)

| Benchmark | Qwen1.5-14B | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1095 | 1362 |
| LMArena Chinese | 1147 | 1417 |
| LMArena French | 1115 | 1403 |
| LMArena German | 1043 | 1351 |
| LMArena Japanese | 1019 | 1300 |
| LMArena Russian | 1046 | 1360 |
| LMArena Spanish | 1085 | 1408 |
| LMArena Korean | — | 1383 |

## Instruction Following

- Qwen1.5-14B: 57.1 (#266)
- Solar Pro4: 72.8 (#128)

| Benchmark | Qwen1.5-14B | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1102 | 1376 |

## Long Context

- Qwen1.5-14B: 33.7 (#252)
- Solar Pro4: 42.0 (#125)

| Benchmark | Qwen1.5-14B | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1113 | 1379 |

## Writing & Preference

- Qwen1.5-14B: 33.7 (#270)
- Solar Pro4: 56.7 (#133)

| Benchmark | Qwen1.5-14B | Solar Pro4 |
|---|---|---|
| LMArena Text | 1128 | 1386 |
| LMArena Creative Writing | 1091 | 1313 |
| LMArena Multi-Turn | 1110 | 1391 |

## FAQ

### Is Qwen1.5-14B better than Solar Pro4?

Solar Pro4 is the stronger model overall, scoring 41.5 to 32.1 on the Noometry Index.

### Is Qwen1.5-14B or Solar Pro4 better for coding?

Solar Pro4 scores higher on coding benchmarks: 39.9 versus 32.5 in the Noometry coding category.

### How many benchmarks do Qwen1.5-14B and Solar Pro4 share?

16 benchmarks have published results for both models. Qwen1.5-14B has 17 scored results on Noometry and Solar Pro4 has 18.