# Hunyuan Standard 2025 02 10 vs Step 3.5 Flash

> Step 3.5 Flash is the stronger model overall, scoring 42.3 to 37.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/hunyuan-standard-vs-step-3-5-flash
- Last updated: 2026-10-12
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Hunyuan Standard 2025 02 10 scores higher in 1 category and Step 3.5 Flash in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Step 3.5 Flash leads 58.8 to 47.2.
- Step 3.5 Flash has downloadable open weights; the other is API-only.

## Snapshot

| | Hunyuan Standard 2025 02 10 | Step 3.5 Flash |
|---|---|---|
| Provider | Tencent | StepFun |
| Noometry Index | 37.9 | 42.3 |
| Rank | 193 | 116 |
| Context | — | 256K |
| Input $/M | — | $0.10 |
| Output $/M | — | $0.30 |
| Weights | Proprietary | Open |

## Coding

- Hunyuan Standard 2025 02 10: 37.1 (#197)
- Step 3.5 Flash: 42.4 (#105)

| Benchmark | Hunyuan Standard 2025 02 10 | Step 3.5 Flash |
|---|---|---|
| LMArena Coding | 1270 | 1436 |

## Reasoning

- Hunyuan Standard 2025 02 10: 25.0 (#154)
- Step 3.5 Flash: 22.2 (#202)

| Benchmark | Hunyuan Standard 2025 02 10 | Step 3.5 Flash |
|---|---|---|
| LMArena Hard Prompts | 1264 | 1411 |
| NYT Connections (extended) | — | 28.4% |

## Math

- Hunyuan Standard 2025 02 10: 35.6 (#179)
- Step 3.5 Flash: 42.6 (#84)

| Benchmark | Hunyuan Standard 2025 02 10 | Step 3.5 Flash |
|---|---|---|
| LMArena Math | 1274 | 1408 |
| MathArena Final-Answer Competitions | — | 66.8% |

## Knowledge

- Hunyuan Standard 2025 02 10: 34.2 (#197)
- Step 3.5 Flash: 39.6 (#132)

| Benchmark | Hunyuan Standard 2025 02 10 | Step 3.5 Flash |
|---|---|---|
| LMArena Expert | 1248 | 1421 |

## Multilingual

- Hunyuan Standard 2025 02 10: 41.7 (#203)
- Step 3.5 Flash: 50.5 (#119)

| Benchmark | Hunyuan Standard 2025 02 10 | Step 3.5 Flash |
|---|---|---|
| LMArena Non-English | 1262 | 1385 |
| LMArena Chinese | 1319 | 1447 |
| LMArena Russian | 1258 | 1385 |
| LMArena French | — | 1421 |
| LMArena German | — | 1405 |
| LMArena Japanese | — | 1354 |
| LMArena Korean | — | 1352 |
| LMArena Spanish | — | 1419 |

## Instruction Following

- Hunyuan Standard 2025 02 10: 65.5 (#219)
- Step 3.5 Flash: 73.1 (#124)

| Benchmark | Hunyuan Standard 2025 02 10 | Step 3.5 Flash |
|---|---|---|
| LMArena Instruction Following | 1245 | 1385 |

## Long Context

- Hunyuan Standard 2025 02 10: 39.5 (#173)
- Step 3.5 Flash: 42.8 (#117)

| Benchmark | Hunyuan Standard 2025 02 10 | Step 3.5 Flash |
|---|---|---|
| LMArena Longer Query | 1301 | 1402 |

## Writing & Preference

- Hunyuan Standard 2025 02 10: 47.2 (#214)
- Step 3.5 Flash: 58.8 (#113)

| Benchmark | Hunyuan Standard 2025 02 10 | Step 3.5 Flash |
|---|---|---|
| LMArena Text | 1274 | 1403 |
| LMArena Creative Writing | 1242 | 1357 |
| LMArena Multi-Turn | 1275 | 1405 |

## FAQ

### Is Hunyuan Standard 2025 02 10 better than Step 3.5 Flash?

Step 3.5 Flash is the stronger model overall, scoring 42.3 to 37.9 on the Noometry Index.

### Is Hunyuan Standard 2025 02 10 or Step 3.5 Flash better for coding?

Step 3.5 Flash scores higher on coding benchmarks: 42.4 versus 37.1 in the Noometry coding category.

### How many benchmarks do Hunyuan Standard 2025 02 10 and Step 3.5 Flash share?

12 benchmarks have published results for both models. Hunyuan Standard 2025 02 10 has 12 scored results on Noometry and Step 3.5 Flash has 19.