# Qwen1.5-72B vs Solar Pro4

> Solar Pro4 is the stronger model overall, scoring 41.5 to 30.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/qwen1-5-72b-vs-solar-pro4
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Qwen1.5-72B 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 11.5.
- Qwen1.5-72B has downloadable open weights; the other is API-only.

## Snapshot

| | Qwen1.5-72B | Solar Pro4 |
|---|---|---|
| Provider | Alibaba (Qwen) | Upstage |
| Noometry Index | 30.3 | 41.5 |
| Rank | 282 | 123 |
| Context | — | 524K |
| Input $/M | — | $0.30 |
| Output $/M | — | $1.20 |
| Weights | Open | Proprietary |

## Coding

- Qwen1.5-72B: 31.4 (#272)
- Solar Pro4: 39.9 (#135)

| Benchmark | Qwen1.5-72B | Solar Pro4 |
|---|---|---|
| LMArena Coding | 1166 | 1439 |
| LMArena WebDev | — | 1371 |
| BigCodeBench Instruct | 33.2% | — |
| BigCodeBench Complete | 40.3% | — |
| HumanEval+ | 59.1% | — |
| MBPP+ | 61.6% | — |

## Reasoning

- Qwen1.5-72B: 21.2 (#201)
- Solar Pro4: 27.3 (#107)

| Benchmark | Qwen1.5-72B | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1148 | 1398 |

## Math

- Qwen1.5-72B: 30.7 (#205)
- Solar Pro4: 36.1 (#129)

| Benchmark | Qwen1.5-72B | Solar Pro4 |
|---|---|---|
| LMArena Math | 1164 | 1418 |

## Knowledge

- Qwen1.5-72B: 11.5 (#295)
- Solar Pro4: 39.0 (#128)

| Benchmark | Qwen1.5-72B | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1136 | 1421 |
| GPQA Diamond | 28.8% | — |

## Multilingual

- Qwen1.5-72B: 33.4 (#248)
- Solar Pro4: 49.0 (#134)

| Benchmark | Qwen1.5-72B | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1135 | 1362 |
| LMArena Chinese | 1186 | 1417 |
| LMArena French | 1158 | 1403 |
| LMArena German | 1084 | 1351 |
| LMArena Japanese | 1061 | 1300 |
| LMArena Korean | 1049 | 1383 |
| LMArena Russian | 1104 | 1360 |
| LMArena Spanish | 1110 | 1408 |

## Instruction Following

- Qwen1.5-72B: 59.6 (#251)
- Solar Pro4: 72.8 (#128)

| Benchmark | Qwen1.5-72B | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1142 | 1376 |

## Long Context

- Qwen1.5-72B: 35.0 (#238)
- Solar Pro4: 42.0 (#125)

| Benchmark | Qwen1.5-72B | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1157 | 1379 |

## Writing & Preference

- Qwen1.5-72B: 37.4 (#253)
- Solar Pro4: 56.7 (#133)

| Benchmark | Qwen1.5-72B | Solar Pro4 |
|---|---|---|
| LMArena Text | 1166 | 1386 |
| LMArena Creative Writing | 1137 | 1313 |
| LMArena Multi-Turn | 1160 | 1391 |

## FAQ

### Is Qwen1.5-72B better than Solar Pro4?

Solar Pro4 is the stronger model overall, scoring 41.5 to 30.3 on the Noometry Index.

### Is Qwen1.5-72B or Solar Pro4 better for coding?

Solar Pro4 scores higher on coding benchmarks: 39.9 versus 31.4 in the Noometry coding category.

### How many benchmarks do Qwen1.5-72B and Solar Pro4 share?

17 benchmarks have published results for both models. Qwen1.5-72B has 22 scored results on Noometry and Solar Pro4 has 18.