Model comparison
Step 1o Turbo 202506 vs Yi-Lightning
Step 1o Turbo 202506 is the stronger model overall, scoring 39.7 to 37.1 on the Noometry Index.
Last verified . 13 shared benchmarks.
StepFunSummary
- They share 13 benchmarks with published results for both. Step 1o Turbo 202506 scores higher in 8 categories and Yi-Lightning in 0 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in coding, where Step 1o Turbo 202506 leads 39.2 to 27.4.
Side by side
| Step 1o Turbo 202506 | Yi-Lightning | |
|---|---|---|
| Provider | StepFun | 01.AI |
| Noometry Index | 39.7 | 37.1 |
| Released | — | 2024-12-02 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 14 | 18 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Step 1o Turbo 202506 leads
Step 1o Turbo 202506: 39.2 (#160), Yi-Lightning: 27.4 (#320)
| Benchmark | Step 1o Turbo 202506 | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1339 | 1312 |
| Aider Polyglot | — | 12.9% |
Reasoning Too close to call
Step 1o Turbo 202506: 26.8 (#129), Yi-Lightning: 25.9 (#139)
| Benchmark | Step 1o Turbo 202506 | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1335 | 1302 |
Math Too close to call
Step 1o Turbo 202506: 36.6 (#164), Yi-Lightning: 36.2 (#172)
| Benchmark | Step 1o Turbo 202506 | Yi-Lightning |
|---|---|---|
| LMArena Math | 1318 | 1300 |
Knowledge Too close to call
Step 1o Turbo 202506: 36.1 (#176), Yi-Lightning: 35.4 (#185)
| Benchmark | Step 1o Turbo 202506 | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1308 | 1286 |
Multimodal Not comparable
Step 1o Turbo 202506: 36.1 (#80), Yi-Lightning: —
| Benchmark | Step 1o Turbo 202506 | Yi-Lightning |
|---|---|---|
| LMArena Vision | 1186 | — |
Multilingual Step 1o Turbo 202506 leads
Step 1o Turbo 202506: 45.3 (#173), Yi-Lightning: 42.2 (#196)
| Benchmark | Step 1o Turbo 202506 | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1313 | 1269 |
| LMArena Chinese | 1380 | 1320 |
| LMArena German | 1314 | 1267 |
| LMArena Russian | 1327 | 1255 |
| LMArena French | — | 1305 |
| LMArena Japanese | — | 1228 |
| LMArena Korean | — | 1192 |
| LMArena Spanish | — | 1315 |
Instruction Following Step 1o Turbo 202506 leads
Step 1o Turbo 202506: 69.2 (#176), Yi-Lightning: 67.4 (#196)
| Benchmark | Step 1o Turbo 202506 | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1310 | 1278 |
Long Context Step 1o Turbo 202506 leads
Step 1o Turbo 202506: 41.0 (#146), Yi-Lightning: 39.4 (#181)
| Benchmark | Step 1o Turbo 202506 | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1348 | 1297 |
Writing & Preference Step 1o Turbo 202506 leads
Step 1o Turbo 202506: 53.1 (#160), Yi-Lightning: 50.2 (#184)
| Benchmark | Step 1o Turbo 202506 | Yi-Lightning |
|---|---|---|
| LMArena Text | 1336 | 1302 |
| LMArena Creative Writing | 1307 | 1280 |
| LMArena Multi-Turn | 1340 | 1311 |
Frequently asked questions
Is Step 1o Turbo 202506 better than Yi-Lightning?
Step 1o Turbo 202506 is the stronger model overall, scoring 39.7 to 37.1 on the Noometry Index.
Is Step 1o Turbo 202506 or Yi-Lightning better for coding?
Step 1o Turbo 202506 scores higher on coding benchmarks: 39.2 versus 27.4 in the Noometry coding category.
How many benchmarks do Step 1o Turbo 202506 and Yi-Lightning share?
13 benchmarks have published results for both models. Step 1o Turbo 202506 has 14 scored results on Noometry and Yi-Lightning has 18.