Model comparison
Grok 4.1 vs MiMo-V2.6-Flash
MiMo-V2.6-Flash is the stronger model overall, scoring 44.4 to 40.8 on the Noometry Index.
Last verified . 12 shared benchmarks.
Summary
- They share 12 benchmarks with published results for both. Grok 4.1 scores higher in 0 categories and MiMo-V2.6-Flash in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where MiMo-V2.6-Flash leads 44.3 to 33.4.
- 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 | 40.8 | 44.4 |
| Released | 2025-11-17 | 2026-09-22 |
| Weights | Proprietary | Open |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.14 |
| Output $ / M tokens | — | $0.28 |
| Results tracked | 19 | 13 |
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Category by category
Coding MiMo-V2.6-Flash leads
Grok 4.1: 33.4 (#246), MiMo-V2.6-Flash: 44.3 (#68)
| Benchmark | Grok 4.1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Coding | 1445 | 1516 |
| LMArena WebDev | 1214 | — |
Agentic & Tool Use Not comparable
Grok 4.1: 33.8 (#47), MiMo-V2.6-Flash: —
| Benchmark | Grok 4.1 | MiMo-V2.6-Flash |
|---|---|---|
| Cybench | 39% | — |
Reasoning MiMo-V2.6-Flash leads
Grok 4.1: 28.3 (#91), MiMo-V2.6-Flash: 29.6 (#82)
| Benchmark | Grok 4.1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Hard Prompts | 1436 | 1481 |
Math MiMo-V2.6-Flash leads
Grok 4.1: 36.2 (#124), MiMo-V2.6-Flash: 37.4 (#97)
| Benchmark | Grok 4.1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Math | 1422 | 1477 |
Knowledge MiMo-V2.6-Flash leads
Grok 4.1: 38.9 (#129), MiMo-V2.6-Flash: 42.0 (#91)
| Benchmark | Grok 4.1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Expert | 1417 | 1516 |
Multimodal Not comparable
Grok 4.1: —, MiMo-V2.6-Flash: 40.2 (#39)
| Benchmark | Grok 4.1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Vision | — | 1266 |
Multilingual MiMo-V2.6-Flash leads
Grok 4.1: 53.6 (#64), MiMo-V2.6-Flash: 54.6 (#41)
| Benchmark | Grok 4.1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Non-English | 1425 | 1439 |
| LMArena Chinese | 1464 | 1501 |
| LMArena Russian | 1434 | 1424 |
| LMArena French | 1448 | — |
| LMArena German | 1447 | — |
| LMArena Japanese | 1396 | — |
| LMArena Korean | 1407 | — |
| LMArena Spanish | 1438 | — |
Instruction Following MiMo-V2.6-Flash leads
Grok 4.1: 74.0 (#106), MiMo-V2.6-Flash: 77.0 (#33)
| 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 (#96), MiMo-V2.6-Flash: 44.8 (#52)
| Benchmark | Grok 4.1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Longer Query | 1416 | 1465 |
Writing & Preference MiMo-V2.6-Flash leads
Grok 4.1: 62.6 (#71), MiMo-V2.6-Flash: 63.9 (#61)
| Benchmark | Grok 4.1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Text | 1437 | 1459 |
| LMArena Creative Writing | 1411 | 1408 |
| LMArena Multi-Turn | 1438 | 1460 |
Frequently asked questions
Is Grok 4.1 better than MiMo-V2.6-Flash?
MiMo-V2.6-Flash is the stronger model overall, scoring 44.4 to 40.8 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: 44.3 versus 33.4 in the Noometry coding category.
How many benchmarks do Grok 4.1 and MiMo-V2.6-Flash share?
12 benchmarks have published results for both models. Grok 4.1 has 19 scored results on Noometry and MiMo-V2.6-Flash has 13.