Model comparison
Hunyuan Turbos 20250226 vs Step 3.5 Flash
Step 3.5 Flash is the stronger model overall, scoring 42.3 to 41.3 on the Noometry Index.
Last verified . 16 shared benchmarks.
Tencent
StepFunSummary
- They share 16 benchmarks with published results for both. Hunyuan Turbos 20250226 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 reasoning, where Hunyuan Turbos 20250226 leads 27.8 to 22.2.
- Step 3.5 Flash has downloadable open weights; the other is API-only.
Side by side
| Hunyuan Turbos 20250226 | Step 3.5 Flash | |
|---|---|---|
| Provider | Tencent | StepFun |
| Noometry Index | 41.3 | 42.3 |
| Released | — | 2026-01-29 |
| Weights | Proprietary | Open |
| Context window | — | 256K |
| Max output | — | 256K |
| Input $ / M tokens | — | $0.10 |
| Output $ / M tokens | — | $0.30 |
| Results tracked | 16 | 19 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Step 3.5 Flash leads
Hunyuan Turbos 20250226: 40.0 (#152), Step 3.5 Flash: 42.4 (#105)
| Benchmark | Hunyuan Turbos 20250226 | Step 3.5 Flash |
|---|---|---|
| LMArena Coding | 1361 | 1436 |
Reasoning Hunyuan Turbos 20250226 leads
Hunyuan Turbos 20250226: 27.8 (#113), Step 3.5 Flash: 22.2 (#202)
| Benchmark | Hunyuan Turbos 20250226 | Step 3.5 Flash |
|---|---|---|
| LMArena Hard Prompts | 1374 | 1411 |
| NYT Connections (extended) | — | 28.4% |
Math Step 3.5 Flash leads
Hunyuan Turbos 20250226: 37.5 (#154), Step 3.5 Flash: 42.6 (#84)
| Benchmark | Hunyuan Turbos 20250226 | Step 3.5 Flash |
|---|---|---|
| LMArena Math | 1359 | 1408 |
| MathArena Final-Answer Competitions | — | 66.8% |
Knowledge Step 3.5 Flash leads
Hunyuan Turbos 20250226: 37.0 (#161), Step 3.5 Flash: 39.6 (#132)
| Benchmark | Hunyuan Turbos 20250226 | Step 3.5 Flash |
|---|---|---|
| LMArena Expert | 1339 | 1421 |
Multilingual Step 3.5 Flash leads
Hunyuan Turbos 20250226: 48.9 (#136), Step 3.5 Flash: 50.5 (#119)
| Benchmark | Hunyuan Turbos 20250226 | Step 3.5 Flash |
|---|---|---|
| LMArena Non-English | 1363 | 1385 |
| LMArena Chinese | 1417 | 1447 |
| LMArena French | 1391 | 1421 |
| LMArena German | 1355 | 1405 |
| LMArena Japanese | 1342 | 1354 |
| LMArena Korean | 1351 | 1352 |
| LMArena Russian | 1368 | 1385 |
| LMArena Spanish | — | 1419 |
Instruction Following Step 3.5 Flash leads
Hunyuan Turbos 20250226: 71.0 (#158), Step 3.5 Flash: 73.1 (#124)
| Benchmark | Hunyuan Turbos 20250226 | Step 3.5 Flash |
|---|---|---|
| LMArena Instruction Following | 1344 | 1385 |
Long Context Step 3.5 Flash leads
Hunyuan Turbos 20250226: 41.6 (#136), Step 3.5 Flash: 42.8 (#117)
| Benchmark | Hunyuan Turbos 20250226 | Step 3.5 Flash |
|---|---|---|
| LMArena Longer Query | 1366 | 1402 |
Writing & Preference Step 3.5 Flash leads
Hunyuan Turbos 20250226: 57.4 (#128), Step 3.5 Flash: 58.8 (#113)
| Benchmark | Hunyuan Turbos 20250226 | Step 3.5 Flash |
|---|---|---|
| LMArena Text | 1377 | 1403 |
| LMArena Creative Writing | 1359 | 1357 |
| LMArena Multi-Turn | 1387 | 1405 |
Frequently asked questions
Is Hunyuan Turbos 20250226 better than Step 3.5 Flash?
Step 3.5 Flash is the stronger model overall, scoring 42.3 to 41.3 on the Noometry Index.
Is Hunyuan Turbos 20250226 or Step 3.5 Flash better for coding?
Step 3.5 Flash scores higher on coding benchmarks: 42.4 versus 40.0 in the Noometry coding category.
How many benchmarks do Hunyuan Turbos 20250226 and Step 3.5 Flash share?
16 benchmarks have published results for both models. Hunyuan Turbos 20250226 has 16 scored results on Noometry and Step 3.5 Flash has 19.