# Hy3 vs Solar Pro4

> Hy3 is the stronger model overall, scoring 44.2 to 42.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/hy3-vs-solar-pro4
- Last updated: 2026-10-11
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Hy3 scores higher in 7 categories and Solar Pro4 in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where Hy3 leads 46.8 to 40.1.
- Hy3 is cheaper at $0.13 / $0.53 per million input/output tokens, against $0.30 / $1.20 for Solar Pro4.
- Solar Pro4 accepts more context: 524K tokens versus 262K.
- Hy3 has downloadable open weights; the other is API-only.

## Snapshot

| | Hy3 | Solar Pro4 |
|---|---|---|
| Provider | Tencent | Upstage |
| Noometry Index | 44.2 | 42.1 |
| Rank | 79 | 121 |
| Context | 262K | 524K |
| Input $/M | $0.13 | $0.30 |
| Output $/M | $0.53 | $1.20 |
| Weights | Open | Proprietary |

## Coding

- Hy3: 46.8 (#63)
- Solar Pro4: 40.1 (#149)

| Benchmark | Hy3 | Solar Pro4 |
|---|---|---|
| LMArena WebDev | 1508 | 1371 |
| LMArena Coding | 1464 | 1437 |

## Reasoning

- Hy3: 26.1 (#136)
- Solar Pro4: 28.5 (#104)

| Benchmark | Hy3 | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1447 | 1399 |
| NYT Connections (extended) | 41.2% | — |

## Math

- Hy3: 40.1 (#93)
- Solar Pro4: 38.8 (#128)

| Benchmark | Hy3 | Solar Pro4 |
|---|---|---|
| LMArena Math | 1475 | 1416 |

## Knowledge

- Hy3: 40.8 (#114)
- Solar Pro4: 39.8 (#129)

| Benchmark | Hy3 | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1460 | 1427 |

## Multilingual

- Hy3: 53.5 (#65)
- Solar Pro4: 48.7 (#139)

| Benchmark | Hy3 | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1426 | 1361 |
| LMArena Chinese | 1493 | 1415 |
| LMArena French | 1461 | 1397 |
| LMArena German | 1439 | 1364 |
| LMArena Japanese | 1392 | 1309 |
| LMArena Korean | 1395 | 1382 |
| LMArena Russian | 1432 | 1360 |
| LMArena Spanish | 1456 | 1401 |

## Instruction Following

- Hy3: 75.1 (#70)
- Solar Pro4: 72.7 (#132)

| Benchmark | Hy3 | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1426 | 1377 |

## Long Context

- Hy3: 44.1 (#75)
- Solar Pro4: 42.1 (#130)

| Benchmark | Hy3 | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1442 | 1381 |

## Writing & Preference

- Hy3: 62.2 (#81)
- Solar Pro4: 56.5 (#138)

| Benchmark | Hy3 | Solar Pro4 |
|---|---|---|
| LMArena Text | 1439 | 1386 |
| LMArena Creative Writing | 1402 | 1316 |
| LMArena Multi-Turn | 1436 | 1385 |

## FAQ

### Is Hy3 better than Solar Pro4?

Hy3 is the stronger model overall, scoring 44.2 to 42.1 on the Noometry Index.

### Which is cheaper, Hy3 or Solar Pro4?

Hy3 is cheaper. It lists at $0.13 per million input tokens and $0.53 per million output tokens; Solar Pro4 lists at $0.30 and $1.20.

### Is Hy3 or Solar Pro4 better for coding?

Hy3 scores higher on coding benchmarks: 46.8 versus 40.1 in the Noometry coding category.

### Which has the bigger context window?

Solar Pro4 does, with 524K tokens against 262K.

### How many benchmarks do Hy3 and Solar Pro4 share?

18 benchmarks have published results for both models. Hy3 has 19 scored results on Noometry and Solar Pro4 has 18.