Model comparison
MiMo-V2-Flash vs Step 3.7 Flash
MiMo-V2-Flash is the stronger model overall, scoring 41.3 to 37.3 on the Noometry Index.
Last verified . 3 shared benchmarks.
StepFunSummary
- They share 3 benchmarks with published results for both. MiMo-V2-Flash scores higher in 1 category and Step 3.7 Flash in 2 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where Step 3.7 Flash leads 42.9 to 38.3.
- The biggest single-benchmark swing is SciCode: 25.9% for MiMo-V2-Flash and 40% for Step 3.7 Flash.
- MiMo-V2-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.18 / $1.11 for Step 3.7 Flash.
- MiMo-V2-Flash accepts more context: 262K tokens versus 256K.
Side by side
| MiMo-V2-Flash | Step 3.7 Flash | |
|---|---|---|
| Provider | Xiaomi | StepFun |
| Noometry Index | 41.3 | 37.3 |
| Released | 2025-12-16 | 2026-05-29 |
| Weights | Open | Open |
| Context window | 262K | 256K |
| Max output | 66K | 256K |
| Input $ / M tokens | $0.14 | $0.18 |
| Output $ / M tokens | $0.28 | $1.11 |
| Results tracked | 21 | 5 |
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Category by category
Coding Step 3.7 Flash leads
MiMo-V2-Flash: 36.1 (#211), Step 3.7 Flash: 40.0 (#150)
| Benchmark | MiMo-V2-Flash | Step 3.7 Flash |
|---|---|---|
| SciCode | 25.9% | 40% |
| ALE-Bench | 737.95 | 694.12 |
| LMArena WebDev | 1330 | — |
| LMArena Coding | 1443 | — |
Reasoning MiMo-V2-Flash leads
MiMo-V2-Flash: 24.9 (#157), Step 3.7 Flash: 21.6 (#219)
| Benchmark | MiMo-V2-Flash | Step 3.7 Flash |
|---|---|---|
| CritPt | 0% | 2.3% |
| NYT Connections (extended) | — | 39.7% |
| LMArena Hard Prompts | 1420 | — |
Math Step 3.7 Flash leads
MiMo-V2-Flash: 38.3 (#139), Step 3.7 Flash: 42.9 (#82)
| Benchmark | MiMo-V2-Flash | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
| LMArena Math | 1396 | — |
Knowledge Not comparable
MiMo-V2-Flash: 39.7 (#131), Step 3.7 Flash: —
| Benchmark | MiMo-V2-Flash | Step 3.7 Flash |
|---|---|---|
| LMArena Expert | 1425 | — |
Multilingual Not comparable
MiMo-V2-Flash: 51.0 (#113), Step 3.7 Flash: —
| Benchmark | MiMo-V2-Flash | Step 3.7 Flash |
|---|---|---|
| LMArena Non-English | 1392 | — |
| LMArena Chinese | 1462 | — |
| LMArena French | 1429 | — |
| LMArena German | 1395 | — |
| LMArena Japanese | 1325 | — |
| LMArena Korean | 1358 | — |
| LMArena Russian | 1387 | — |
| LMArena Spanish | 1420 | — |
Instruction Following Not comparable
MiMo-V2-Flash: 73.5 (#120), Step 3.7 Flash: —
| Benchmark | MiMo-V2-Flash | Step 3.7 Flash |
|---|---|---|
| LMArena Instruction Following | 1392 | — |
Long Context Not comparable
MiMo-V2-Flash: 43.0 (#110), Step 3.7 Flash: —
| Benchmark | MiMo-V2-Flash | Step 3.7 Flash |
|---|---|---|
| LMArena Longer Query | 1409 | — |
Writing & Preference Not comparable
MiMo-V2-Flash: 59.7 (#106), Step 3.7 Flash: —
| Benchmark | MiMo-V2-Flash | Step 3.7 Flash |
|---|---|---|
| LMArena Text | 1411 | — |
| LMArena Creative Writing | 1375 | — |
| LMArena Multi-Turn | 1404 | — |
Frequently asked questions
Is MiMo-V2-Flash better than Step 3.7 Flash?
MiMo-V2-Flash is the stronger model overall, scoring 41.3 to 37.3 on the Noometry Index.
Which is cheaper, MiMo-V2-Flash or Step 3.7 Flash?
MiMo-V2-Flash is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Step 3.7 Flash lists at $0.18 and $1.11.
Is MiMo-V2-Flash or Step 3.7 Flash better for coding?
Step 3.7 Flash scores higher on coding benchmarks: 40.0 versus 36.1 in the Noometry coding category.
Which has the bigger context window?
MiMo-V2-Flash does, with 262K tokens against 256K.
How many benchmarks do MiMo-V2-Flash and Step 3.7 Flash share?
3 benchmarks have published results for both models. MiMo-V2-Flash has 21 scored results on Noometry and Step 3.7 Flash has 5.