Model comparison
MiMo-V2.6-Flash vs Step 3
MiMo-V2.6-Flash is the stronger model overall, scoring 44.4 to 39.9 on the Noometry Index.
Last verified . 13 shared benchmarks.
StepFunSummary
- They share 13 benchmarks with published results for both. MiMo-V2.6-Flash scores higher in 9 categories and Step 3 in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2.6-Flash leads 63.9 to 54.5.
Side by side
| MiMo-V2.6-Flash | Step 3 | |
|---|---|---|
| Provider | Xiaomi | StepFun |
| Noometry Index | 44.4 | 39.9 |
| Released | 2026-09-22 | — |
| Weights | Open | Open |
| Context window | 1.05M | — |
| Max output | 131K | — |
| Input $ / M tokens | $0.14 | — |
| Output $ / M tokens | $0.28 | — |
| Results tracked | 13 | 17 |
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Category by category
Coding MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 44.3 (#68), Step 3: 39.5 (#144)
| Benchmark | MiMo-V2.6-Flash | Step 3 |
|---|---|---|
| LMArena Coding | 1516 | 1367 |
Reasoning MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 29.6 (#82), Step 3: 27.6 (#102)
| Benchmark | MiMo-V2.6-Flash | Step 3 |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1355 |
| Kagi LLM Benchmark | — | 62.3% |
Math MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 37.4 (#97), Step 3: 34.9 (#148)
| Benchmark | MiMo-V2.6-Flash | Step 3 |
|---|---|---|
| LMArena Math | 1477 | 1366 |
Knowledge MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 42.0 (#91), Step 3: 36.2 (#161)
| Benchmark | MiMo-V2.6-Flash | Step 3 |
|---|---|---|
| LMArena Expert | 1516 | 1333 |
Multimodal MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 40.2 (#39), Step 3: 34.9 (#81)
| Benchmark | MiMo-V2.6-Flash | Step 3 |
|---|---|---|
| LMArena Vision | 1266 | 1176 |
Multilingual MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 54.6 (#41), Step 3: 46.5 (#154)
| Benchmark | MiMo-V2.6-Flash | Step 3 |
|---|---|---|
| LMArena Non-English | 1439 | 1327 |
| LMArena Chinese | 1501 | 1396 |
| LMArena Russian | 1424 | 1331 |
| LMArena German | — | 1371 |
| LMArena Korean | — | 1271 |
| LMArena Spanish | — | 1372 |
Instruction Following MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 77.0 (#33), Step 3: 70.6 (#159)
| Benchmark | MiMo-V2.6-Flash | Step 3 |
|---|---|---|
| LMArena Instruction Following | 1463 | 1332 |
Long Context MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 44.8 (#52), Step 3: 40.3 (#152)
| Benchmark | MiMo-V2.6-Flash | Step 3 |
|---|---|---|
| LMArena Longer Query | 1465 | 1326 |
Writing & Preference MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 63.9 (#61), Step 3: 54.5 (#146)
| Benchmark | MiMo-V2.6-Flash | Step 3 |
|---|---|---|
| LMArena Text | 1459 | 1351 |
| LMArena Creative Writing | 1408 | 1322 |
| LMArena Multi-Turn | 1460 | 1340 |
Frequently asked questions
Is MiMo-V2.6-Flash better than Step 3?
MiMo-V2.6-Flash is the stronger model overall, scoring 44.4 to 39.9 on the Noometry Index.
Is MiMo-V2.6-Flash or Step 3 better for coding?
MiMo-V2.6-Flash scores higher on coding benchmarks: 44.3 versus 39.5 in the Noometry coding category.
How many benchmarks do MiMo-V2.6-Flash and Step 3 share?
13 benchmarks have published results for both models. MiMo-V2.6-Flash has 13 scored results on Noometry and Step 3 has 17.