Model comparison
Step 1o Turbo 202506 vs Step 3
Step 1o Turbo 202506 and Step 3 score almost the same on the Noometry Index (39.1 vs 39.9), so choose on price, context window or the category you care about most.
Last verified . 14 shared benchmarks.
StepFunSummary
- They share 14 benchmarks with published results for both. Step 1o Turbo 202506 scores higher in 2 categories and Step 3 in 7 categories; 5 gaps are clear of the uncertainty.
- Step 3 has downloadable open weights; the other is API-only.
Side by side
| Step 1o Turbo 202506 | Step 3 | |
|---|---|---|
| Provider | StepFun | StepFun |
| Noometry Index | 39.1 | 39.9 |
| Released | — | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 14 | 17 |
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Category by category
Coding Too close to call
Step 1o Turbo 202506: 38.6 (#158), Step 3: 39.5 (#144)
| Benchmark | Step 1o Turbo 202506 | Step 3 |
|---|---|---|
| LMArena Coding | 1339 | 1367 |
Reasoning Step 3 leads
Step 1o Turbo 202506: 25.7 (#127), Step 3: 27.6 (#102)
| Benchmark | Step 1o Turbo 202506 | Step 3 |
|---|---|---|
| LMArena Hard Prompts | 1336 | 1355 |
| Kagi LLM Benchmark | — | 62.3% |
Math Step 3 leads
Step 1o Turbo 202506: 33.9 (#163), Step 3: 34.9 (#148)
| Benchmark | Step 1o Turbo 202506 | Step 3 |
|---|---|---|
| LMArena Math | 1318 | 1366 |
Knowledge Too close to call
Step 1o Turbo 202506: 35.5 (#174), Step 3: 36.2 (#161)
| Benchmark | Step 1o Turbo 202506 | Step 3 |
|---|---|---|
| LMArena Expert | 1308 | 1333 |
Multimodal Too close to call
Step 1o Turbo 202506: 35.4 (#75), Step 3: 34.9 (#81)
| Benchmark | Step 1o Turbo 202506 | Step 3 |
|---|---|---|
| LMArena Vision | 1186 | 1176 |
Multilingual Step 3 leads
Step 1o Turbo 202506: 45.5 (#168), Step 3: 46.5 (#154)
| Benchmark | Step 1o Turbo 202506 | Step 3 |
|---|---|---|
| LMArena Non-English | 1313 | 1327 |
| LMArena Chinese | 1380 | 1396 |
| LMArena German | 1315 | 1371 |
| LMArena Russian | 1327 | 1331 |
| LMArena Korean | — | 1271 |
| LMArena Spanish | — | 1372 |
Instruction Following Step 3 leads
Step 1o Turbo 202506: 69.4 (#171), Step 3: 70.6 (#159)
| Benchmark | Step 1o Turbo 202506 | Step 3 |
|---|---|---|
| LMArena Instruction Following | 1311 | 1332 |
Long Context Too close to call
Step 1o Turbo 202506: 41.1 (#141), Step 3: 40.3 (#152)
| Benchmark | Step 1o Turbo 202506 | Step 3 |
|---|---|---|
| LMArena Longer Query | 1350 | 1326 |
Writing & Preference Step 3 leads
Step 1o Turbo 202506: 53.4 (#154), Step 3: 54.5 (#146)
| Benchmark | Step 1o Turbo 202506 | Step 3 |
|---|---|---|
| LMArena Text | 1336 | 1351 |
| LMArena Creative Writing | 1308 | 1322 |
| LMArena Multi-Turn | 1341 | 1340 |
Frequently asked questions
Is Step 1o Turbo 202506 better than Step 3?
Step 1o Turbo 202506 and Step 3 score almost the same on the Noometry Index (39.1 vs 39.9), so choose on price, context window or the category you care about most.
Is Step 1o Turbo 202506 or Step 3 better for coding?
They score almost the same on coding (38.6 vs 39.5); test both on your own repository before choosing.
How many benchmarks do Step 1o Turbo 202506 and Step 3 share?
14 benchmarks have published results for both models. Step 1o Turbo 202506 has 14 scored results on Noometry and Step 3 has 17.