Model comparison
Grok 4.1 vs MiMo-V2-Flash
Grok 4.1 and MiMo-V2-Flash score almost the same on the Noometry Index (41.5 vs 41.3), so choose on price, context window or the category you care about most.
Last verified . 18 shared benchmarks.
Summary
- They share 18 benchmarks with published results for both. Grok 4.1 scores higher in 6 categories and MiMo-V2-Flash in 2 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.1 leads 29.5 to 24.9.
- MiMo-V2-Flash has downloadable open weights; the other is API-only.
Side by side
| Grok 4.1 | MiMo-V2-Flash | |
|---|---|---|
| Provider | xAI | Xiaomi |
| Noometry Index | 41.5 | 41.3 |
| Released | 2025-11-17 | 2025-12-16 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.14 |
| Output $ / M tokens | — | $0.28 |
| Results tracked | 19 | 21 |
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Category by category
Coding MiMo-V2-Flash leads
Grok 4.1: 33.7 (#253), MiMo-V2-Flash: 36.1 (#211)
| Benchmark | Grok 4.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena WebDev | 1214 | 1330 |
| LMArena Coding | 1445 | 1443 |
| SciCode | — | 25.9% |
| ALE-Bench | — | 737.95 |
Agentic & Tool Use Not comparable
Grok 4.1: 34.1 (#49), MiMo-V2-Flash: —
| Benchmark | Grok 4.1 | MiMo-V2-Flash |
|---|---|---|
| Cybench | 39% | — |
Reasoning Grok 4.1 leads
Grok 4.1: 29.5 (#91), MiMo-V2-Flash: 24.9 (#157)
| Benchmark | Grok 4.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Hard Prompts | 1435 | 1420 |
| CritPt | — | 0% |
Math Too close to call
Grok 4.1: 38.9 (#120), MiMo-V2-Flash: 38.3 (#139)
| Benchmark | Grok 4.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Math | 1422 | 1396 |
Knowledge Too close to call
Grok 4.1: 39.5 (#133), MiMo-V2-Flash: 39.7 (#131)
| Benchmark | Grok 4.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Expert | 1417 | 1425 |
Multilingual Grok 4.1 leads
Grok 4.1: 53.4 (#68), MiMo-V2-Flash: 51.0 (#113)
| Benchmark | Grok 4.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Non-English | 1425 | 1392 |
| LMArena Chinese | 1465 | 1462 |
| LMArena French | 1448 | 1429 |
| LMArena German | 1446 | 1395 |
| LMArena Japanese | 1397 | 1325 |
| LMArena Korean | 1407 | 1358 |
| LMArena Russian | 1434 | 1387 |
| LMArena Spanish | 1438 | 1420 |
Instruction Following Too close to call
Grok 4.1: 73.8 (#111), MiMo-V2-Flash: 73.5 (#120)
| Benchmark | Grok 4.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Instruction Following | 1400 | 1392 |
Long Context Too close to call
Grok 4.1: 43.2 (#100), MiMo-V2-Flash: 43.0 (#110)
| Benchmark | Grok 4.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Longer Query | 1416 | 1409 |
Writing & Preference Grok 4.1 leads
Grok 4.1: 62.4 (#75), MiMo-V2-Flash: 59.7 (#106)
| Benchmark | Grok 4.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Text | 1437 | 1411 |
| LMArena Creative Writing | 1411 | 1375 |
| LMArena Multi-Turn | 1437 | 1404 |
Frequently asked questions
Is Grok 4.1 better than MiMo-V2-Flash?
Grok 4.1 and MiMo-V2-Flash score almost the same on the Noometry Index (41.5 vs 41.3), so choose on price, context window or the category you care about most.
Is Grok 4.1 or MiMo-V2-Flash better for coding?
MiMo-V2-Flash scores higher on coding benchmarks: 36.1 versus 33.7 in the Noometry coding category.
How many benchmarks do Grok 4.1 and MiMo-V2-Flash share?
18 benchmarks have published results for both models. Grok 4.1 has 19 scored results on Noometry and MiMo-V2-Flash has 21.