Model comparison
Grok 4.1 vs MiMo-V2-Pro
MiMo-V2-Pro is the stronger model overall, scoring 43.0 to 41.5 on the Noometry Index.
Last verified . 18 shared benchmarks.
Summary
- They share 18 benchmarks with published results for both. Grok 4.1 scores higher in 3 categories and MiMo-V2-Pro in 5 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in coding, where MiMo-V2-Pro leads 43.8 to 33.7.
Side by side
| Grok 4.1 | MiMo-V2-Pro | |
|---|---|---|
| Provider | xAI | Xiaomi |
| Noometry Index | 41.5 | 43.0 |
| Released | 2025-11-17 | 2026-03-18 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.43 |
| Output $ / M tokens | — | $0.87 |
| Results tracked | 19 | 23 |
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Category by category
Coding MiMo-V2-Pro leads
Grok 4.1: 33.7 (#253), MiMo-V2-Pro: 43.8 (#83)
| Benchmark | Grok 4.1 | MiMo-V2-Pro |
|---|---|---|
| LMArena WebDev | 1214 | 1433 |
| LMArena Coding | 1445 | 1476 |
| ALE-Bench | — | 785.17 |
Agentic & Tool Use Not comparable
Grok 4.1: 34.1 (#49), MiMo-V2-Pro: —
| Benchmark | Grok 4.1 | MiMo-V2-Pro |
|---|---|---|
| Cybench | 39% | — |
Reasoning Grok 4.1 leads
Grok 4.1: 29.5 (#91), MiMo-V2-Pro: 22.1 (#206)
| Benchmark | Grok 4.1 | MiMo-V2-Pro |
|---|---|---|
| LMArena Hard Prompts | 1435 | 1457 |
| NYT Connections (extended) | — | 25.8% |
| Thematic Generalization | — | 45.9% |
Math Too close to call
Grok 4.1: 38.9 (#120), MiMo-V2-Pro: 39.5 (#102)
| Benchmark | Grok 4.1 | MiMo-V2-Pro |
|---|---|---|
| LMArena Math | 1422 | 1447 |
Knowledge MiMo-V2-Pro leads
Grok 4.1: 39.5 (#133), MiMo-V2-Pro: 41.4 (#111)
| Benchmark | Grok 4.1 | MiMo-V2-Pro |
|---|---|---|
| LMArena Expert | 1417 | 1478 |
Multilingual Too close to call
Grok 4.1: 53.4 (#68), MiMo-V2-Pro: 52.7 (#81)
| Benchmark | Grok 4.1 | MiMo-V2-Pro |
|---|---|---|
| LMArena Non-English | 1425 | 1416 |
| LMArena Chinese | 1465 | 1456 |
| LMArena French | 1448 | 1469 |
| LMArena German | 1446 | 1417 |
| LMArena Japanese | 1397 | 1366 |
| LMArena Korean | 1407 | 1400 |
| LMArena Russian | 1434 | 1427 |
| LMArena Spanish | 1438 | 1457 |
Instruction Following MiMo-V2-Pro leads
Grok 4.1: 73.8 (#111), MiMo-V2-Pro: 76.0 (#49)
| Benchmark | Grok 4.1 | MiMo-V2-Pro |
|---|---|---|
| LMArena Instruction Following | 1400 | 1445 |
Long Context Grok 4.1 leads
Grok 4.1: 43.2 (#100), MiMo-V2-Pro: 41.5 (#138)
| Benchmark | Grok 4.1 | MiMo-V2-Pro |
|---|---|---|
| LMArena Longer Query | 1416 | 1455 |
| CL-bench | — | 15.7% |
| CL-bench Life | — | 6.9% |
Writing & Preference Too close to call
Grok 4.1: 62.4 (#75), MiMo-V2-Pro: 62.8 (#70)
| Benchmark | Grok 4.1 | MiMo-V2-Pro |
|---|---|---|
| LMArena Text | 1437 | 1436 |
| LMArena Creative Writing | 1411 | 1415 |
| LMArena Multi-Turn | 1437 | 1456 |
Frequently asked questions
Is Grok 4.1 better than MiMo-V2-Pro?
MiMo-V2-Pro is the stronger model overall, scoring 43.0 to 41.5 on the Noometry Index.
Is Grok 4.1 or MiMo-V2-Pro better for coding?
MiMo-V2-Pro scores higher on coding benchmarks: 43.8 versus 33.7 in the Noometry coding category.
How many benchmarks do Grok 4.1 and MiMo-V2-Pro share?
18 benchmarks have published results for both models. Grok 4.1 has 19 scored results on Noometry and MiMo-V2-Pro has 23.