Model comparison
MiMo-V2.5-Pro vs Step 1o Turbo 202506
MiMo-V2.5-Pro is the stronger model overall, scoring 45.2 to 39.7 on the Noometry Index.
Last verified . 13 shared benchmarks.
StepFunSummary
- They share 13 benchmarks with published results for both. MiMo-V2.5-Pro scores higher in 7 categories and Step 1o Turbo 202506 in 1 category; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2.5-Pro leads 65.3 to 53.1.
- MiMo-V2.5-Pro has downloadable open weights; the other is API-only.
Side by side
| MiMo-V2.5-Pro | Step 1o Turbo 202506 | |
|---|---|---|
| Provider | Xiaomi | StepFun |
| Noometry Index | 45.2 | 39.7 |
| Released | 2026-04-22 | — |
| Weights | Open | Proprietary |
| Context window | 1.05M | — |
| Max output | 131K | — |
| Input $ / M tokens | $0.43 | — |
| Output $ / M tokens | $0.87 | — |
| Results tracked | 27 | 14 |
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Category by category
Coding MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 47.4 (#60), Step 1o Turbo 202506: 39.2 (#160)
| Benchmark | MiMo-V2.5-Pro | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Coding | 1503 | 1339 |
| LMArena WebDev | 1479 | — |
| SciCode | 50.2% | — |
| ALE-Bench | 899.8 | — |
Reasoning Too close to call
MiMo-V2.5-Pro: 26.8 (#130), Step 1o Turbo 202506: 26.8 (#129)
| Benchmark | MiMo-V2.5-Pro | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Hard Prompts | 1488 | 1335 |
| NYT Connections (extended) | 34.4% | — |
| CritPt | 4% | — |
| DTBench | 84.5% | — |
| LMCA | 29.5% | — |
Math MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 40.0 (#96), Step 1o Turbo 202506: 36.6 (#164)
| Benchmark | MiMo-V2.5-Pro | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Math | 1481 | 1318 |
| ProofBench | 22% | — |
Knowledge MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 42.2 (#98), Step 1o Turbo 202506: 36.1 (#176)
| Benchmark | MiMo-V2.5-Pro | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Expert | 1503 | 1308 |
Multimodal Not comparable
MiMo-V2.5-Pro: —, Step 1o Turbo 202506: 36.1 (#80)
| Benchmark | MiMo-V2.5-Pro | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Vision | — | 1186 |
Multilingual MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 55.1 (#34), Step 1o Turbo 202506: 45.3 (#173)
| Benchmark | MiMo-V2.5-Pro | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Non-English | 1449 | 1313 |
| LMArena Chinese | 1507 | 1380 |
| LMArena German | 1458 | 1314 |
| LMArena Russian | 1450 | 1327 |
| LMArena French | 1488 | — |
| LMArena Japanese | 1412 | — |
| LMArena Korean | 1437 | — |
| LMArena Spanish | 1471 | — |
Instruction Following MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 77.5 (#21), Step 1o Turbo 202506: 69.2 (#176)
| Benchmark | MiMo-V2.5-Pro | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Instruction Following | 1477 | 1310 |
Long Context MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 45.4 (#37), Step 1o Turbo 202506: 41.0 (#146)
| Benchmark | MiMo-V2.5-Pro | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Longer Query | 1483 | 1348 |
Writing & Preference MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 65.3 (#49), Step 1o Turbo 202506: 53.1 (#160)
| Benchmark | MiMo-V2.5-Pro | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Text | 1465 | 1336 |
| LMArena Creative Writing | 1440 | 1307 |
| LMArena Multi-Turn | 1477 | 1340 |
| EQ-Bench Creative Writing | 1493 | — |
| EQ-Bench 4 | 1208 | — |
Frequently asked questions
Is MiMo-V2.5-Pro better than Step 1o Turbo 202506?
MiMo-V2.5-Pro is the stronger model overall, scoring 45.2 to 39.7 on the Noometry Index.
Is MiMo-V2.5-Pro or Step 1o Turbo 202506 better for coding?
MiMo-V2.5-Pro scores higher on coding benchmarks: 47.4 versus 39.2 in the Noometry coding category.
How many benchmarks do MiMo-V2.5-Pro and Step 1o Turbo 202506 share?
13 benchmarks have published results for both models. MiMo-V2.5-Pro has 27 scored results on Noometry and Step 1o Turbo 202506 has 14.