# Hunyuan Vision 1.5 vs Step 5 Preview

> Step 5 Preview is the stronger model overall, scoring 47.9 to 43.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/hunyuan-vision-1-5-vs-step-5-preview
- Last updated: 2026-10-12
- Shared benchmarks: 9

## Summary

- They share 9 benchmarks with published results for both. Hunyuan Vision 1.5 scores higher in 0 categories and Step 5 Preview in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Step 5 Preview leads 40.0 to 28.9.

## Snapshot

| | Hunyuan Vision 1.5 | Step 5 Preview |
|---|---|---|
| Provider | Tencent | StepFun |
| Noometry Index | 43.1 | 47.9 |
| Rank | 98 | 58 |
| Context | — | 1.02M |
| Input $/M | — | $1 |
| Output $/M | — | $2.70 |
| Weights | Proprietary | Proprietary |

## Coding

- Hunyuan Vision 1.5: 41.8 (#119)
- Step 5 Preview: 51.8 (#36)

| Benchmark | Hunyuan Vision 1.5 | Step 5 Preview |
|---|---|---|
| LMArena Coding | 1418 | 1480 |
| LMArena WebDev | — | 1564 |
| SciCode | — | 58.9% |

## Reasoning

- Hunyuan Vision 1.5: 28.9 (#97)
- Step 5 Preview: 40.0 (#57)

| Benchmark | Hunyuan Vision 1.5 | Step 5 Preview |
|---|---|---|
| LMArena Hard Prompts | 1416 | 1465 |
| CritPt | — | 20.9% |

## Math

- Hunyuan Vision 1.5: —
- Step 5 Preview: 46.1 (#72)

| Benchmark | Hunyuan Vision 1.5 | Step 5 Preview |
|---|---|---|
| ProofBench | — | 42% |
| LMArena Math | — | 1470 |

## Knowledge

- Hunyuan Vision 1.5: —
- Step 5 Preview: 41.2 (#112)

| Benchmark | Hunyuan Vision 1.5 | Step 5 Preview |
|---|---|---|
| LMArena Expert | — | 1470 |

## Multimodal

- Hunyuan Vision 1.5: 35.7 (#84)
- Step 5 Preview: 41.0 (#41)

| Benchmark | Hunyuan Vision 1.5 | Step 5 Preview |
|---|---|---|
| LMArena Vision | 1180 | 1267 |

## Multilingual

- Hunyuan Vision 1.5: 50.3 (#125)
- Step 5 Preview: 53.8 (#54)

| Benchmark | Hunyuan Vision 1.5 | Step 5 Preview |
|---|---|---|
| LMArena Non-English | 1382 | 1432 |
| LMArena Chinese | — | 1519 |
| LMArena Russian | — | 1436 |
| LMArena Spanish | — | 1439 |

## Instruction Following

- Hunyuan Vision 1.5: 73.7 (#117)
- Step 5 Preview: 76.0 (#50)

| Benchmark | Hunyuan Vision 1.5 | Step 5 Preview |
|---|---|---|
| LMArena Instruction Following | 1397 | 1444 |

## Long Context

- Hunyuan Vision 1.5: 42.9 (#115)
- Step 5 Preview: 44.5 (#64)

| Benchmark | Hunyuan Vision 1.5 | Step 5 Preview |
|---|---|---|
| LMArena Longer Query | 1404 | 1455 |

## Writing & Preference

- Hunyuan Vision 1.5: 60.1 (#100)
- Step 5 Preview: 62.8 (#71)

| Benchmark | Hunyuan Vision 1.5 | Step 5 Preview |
|---|---|---|
| LMArena Text | 1405 | 1442 |
| LMArena Creative Writing | 1388 | 1410 |
| LMArena Multi-Turn | 1422 | 1447 |

## FAQ

### Is Hunyuan Vision 1.5 better than Step 5 Preview?

Step 5 Preview is the stronger model overall, scoring 47.9 to 43.1 on the Noometry Index.

### Is Hunyuan Vision 1.5 or Step 5 Preview better for coding?

Step 5 Preview scores higher on coding benchmarks: 51.8 versus 41.8 in the Noometry coding category.

### How many benchmarks do Hunyuan Vision 1.5 and Step 5 Preview share?

9 benchmarks have published results for both models. Hunyuan Vision 1.5 has 9 scored results on Noometry and Step 5 Preview has 18.