Model comparison
Grok 4.1 vs MiMo-V2.6-Pro
MiMo-V2.6-Pro is the stronger model overall, scoring 46.7 to 40.8 on the Noometry Index.
Last verified . 13 shared benchmarks.
Summary
- They share 13 benchmarks with published results for both. Grok 4.1 scores higher in 0 categories and MiMo-V2.6-Pro in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where MiMo-V2.6-Pro leads 53.2 to 33.4.
- MiMo-V2.6-Pro has downloadable open weights; the other is API-only.
Side by side
| Grok 4.1 | MiMo-V2.6-Pro | |
|---|---|---|
| Provider | xAI | Xiaomi |
| Noometry Index | 40.8 | 46.7 |
| Released | 2025-11-17 | 2026-09-22 |
| Weights | Proprietary | Open |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.43 |
| Output $ / M tokens | — | $0.87 |
| Results tracked | 19 | 14 |
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Category by category
Coding MiMo-V2.6-Pro leads
Grok 4.1: 33.4 (#246), MiMo-V2.6-Pro: 53.2 (#27)
| Benchmark | Grok 4.1 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena WebDev | 1214 | 1618 |
| LMArena Coding | 1445 | 1538 |
Agentic & Tool Use Not comparable
Grok 4.1: 33.8 (#47), MiMo-V2.6-Pro: —
| Benchmark | Grok 4.1 | MiMo-V2.6-Pro |
|---|---|---|
| Cybench | 39% | — |
Reasoning MiMo-V2.6-Pro leads
Grok 4.1: 28.3 (#91), MiMo-V2.6-Pro: 30.4 (#76)
| Benchmark | Grok 4.1 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Hard Prompts | 1436 | 1511 |
Math MiMo-V2.6-Pro leads
Grok 4.1: 36.2 (#124), MiMo-V2.6-Pro: 37.9 (#91)
| Benchmark | Grok 4.1 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Math | 1422 | 1497 |
Knowledge MiMo-V2.6-Pro leads
Grok 4.1: 38.9 (#129), MiMo-V2.6-Pro: 43.0 (#85)
| Benchmark | Grok 4.1 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Expert | 1417 | 1548 |
Multimodal Not comparable
Grok 4.1: —, MiMo-V2.6-Pro: 40.2 (#40)
| Benchmark | Grok 4.1 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Vision | — | 1265 |
Multilingual MiMo-V2.6-Pro leads
Grok 4.1: 53.6 (#64), MiMo-V2.6-Pro: 57.0 (#15)
| Benchmark | Grok 4.1 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Non-English | 1425 | 1474 |
| LMArena Chinese | 1464 | 1532 |
| LMArena Russian | 1434 | 1481 |
| LMArena French | 1448 | — |
| LMArena German | 1447 | — |
| LMArena Japanese | 1396 | — |
| LMArena Korean | 1407 | — |
| LMArena Spanish | 1438 | — |
Instruction Following MiMo-V2.6-Pro leads
Grok 4.1: 74.0 (#106), MiMo-V2.6-Pro: 78.2 (#10)
| Benchmark | Grok 4.1 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Instruction Following | 1400 | 1490 |
Long Context MiMo-V2.6-Pro leads
Grok 4.1: 43.2 (#96), MiMo-V2.6-Pro: 46.0 (#26)
| Benchmark | Grok 4.1 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Longer Query | 1416 | 1500 |
Writing & Preference MiMo-V2.6-Pro leads
Grok 4.1: 62.6 (#71), MiMo-V2.6-Pro: 66.9 (#32)
| Benchmark | Grok 4.1 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Text | 1437 | 1491 |
| LMArena Creative Writing | 1411 | 1465 |
| LMArena Multi-Turn | 1438 | 1463 |
Frequently asked questions
Is Grok 4.1 better than MiMo-V2.6-Pro?
MiMo-V2.6-Pro is the stronger model overall, scoring 46.7 to 40.8 on the Noometry Index.
Is Grok 4.1 or MiMo-V2.6-Pro better for coding?
MiMo-V2.6-Pro scores higher on coding benchmarks: 53.2 versus 33.4 in the Noometry coding category.
How many benchmarks do Grok 4.1 and MiMo-V2.6-Pro share?
13 benchmarks have published results for both models. Grok 4.1 has 19 scored results on Noometry and MiMo-V2.6-Pro has 14.