Model comparison
Grok 4.1 vs MiMo-V2.6-Flash
MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 41.5 on the Noometry Index.
Last verified . 15 shared benchmarks.
Summary
- They share 15 benchmarks with published results for both. Grok 4.1 scores higher in 0 categories and MiMo-V2.6-Flash in 8 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in coding, where MiMo-V2.6-Flash leads 53.4 to 33.7.
- MiMo-V2.6-Flash has downloadable open weights; the other is API-only.
Side by side
| Grok 4.1 | MiMo-V2.6-Flash | |
|---|---|---|
| Provider | xAI | Xiaomi |
| Noometry Index | 41.5 | 48.5 |
| Released | 2025-11-17 | 2026-09-21 |
| Weights | Proprietary | Open |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.14 |
| Output $ / M tokens | — | $0.28 |
| Results tracked | 19 | 19 |
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Category by category
Coding MiMo-V2.6-Flash leads
Grok 4.1: 33.7 (#253), MiMo-V2.6-Flash: 53.4 (#30)
| Benchmark | Grok 4.1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena WebDev | 1214 | 1637 |
| LMArena Coding | 1445 | 1504 |
| SciCode | — | 51.3% |
Agentic & Tool Use Not comparable
Grok 4.1: 34.1 (#49), MiMo-V2.6-Flash: —
| Benchmark | Grok 4.1 | MiMo-V2.6-Flash |
|---|---|---|
| Cybench | 39% | — |
Reasoning MiMo-V2.6-Flash leads
Grok 4.1: 29.5 (#91), MiMo-V2.6-Flash: 36.5 (#66)
| Benchmark | Grok 4.1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Hard Prompts | 1435 | 1482 |
| CritPt | — | 12% |
Math MiMo-V2.6-Flash leads
Grok 4.1: 38.9 (#120), MiMo-V2.6-Flash: 51.9 (#52)
| Benchmark | Grok 4.1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Math | 1422 | 1468 |
| ProofBench | — | 63% |
Knowledge MiMo-V2.6-Flash leads
Grok 4.1: 39.5 (#133), MiMo-V2.6-Flash: 42.2 (#99)
| Benchmark | Grok 4.1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Expert | 1417 | 1501 |
Multimodal Not comparable
Grok 4.1: —, MiMo-V2.6-Flash: 40.5 (#47)
| Benchmark | Grok 4.1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Vision | — | 1259 |
Multilingual Too close to call
Grok 4.1: 53.4 (#68), MiMo-V2.6-Flash: 54.0 (#51)
| Benchmark | Grok 4.1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Non-English | 1425 | 1434 |
| LMArena Chinese | 1465 | 1511 |
| LMArena French | 1448 | 1475 |
| LMArena Russian | 1434 | 1409 |
| LMArena Spanish | 1438 | 1456 |
| LMArena German | 1446 | — |
| LMArena Japanese | 1397 | — |
| LMArena Korean | 1407 | — |
Instruction Following MiMo-V2.6-Flash leads
Grok 4.1: 73.8 (#111), MiMo-V2.6-Flash: 76.8 (#35)
| Benchmark | Grok 4.1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Instruction Following | 1400 | 1463 |
Long Context MiMo-V2.6-Flash leads
Grok 4.1: 43.2 (#100), MiMo-V2.6-Flash: 44.8 (#57)
| Benchmark | Grok 4.1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Longer Query | 1416 | 1463 |
Writing & Preference Too close to call
Grok 4.1: 62.4 (#75), MiMo-V2.6-Flash: 63.1 (#67)
| Benchmark | Grok 4.1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Text | 1437 | 1455 |
| LMArena Creative Writing | 1411 | 1400 |
| LMArena Multi-Turn | 1437 | 1451 |
Frequently asked questions
Is Grok 4.1 better than MiMo-V2.6-Flash?
MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 41.5 on the Noometry Index.
Is Grok 4.1 or MiMo-V2.6-Flash better for coding?
MiMo-V2.6-Flash scores higher on coding benchmarks: 53.4 versus 33.7 in the Noometry coding category.
How many benchmarks do Grok 4.1 and MiMo-V2.6-Flash share?
15 benchmarks have published results for both models. Grok 4.1 has 19 scored results on Noometry and MiMo-V2.6-Flash has 19.