# Grok 4.6 vs MiMo-V2.6-Flash

> Grok 4.6 is the stronger model overall, scoring 56.8 to 44.4 on the Noometry Index. MiMo-V2.6-Flash costs 17× less per token, which makes it the better buy when Grok 4.6's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/grok-4-6-vs-mimo-v2-6-flash
- Last updated: 2026-10-10
- Shared benchmarks: 13

## Summary

- They share 13 benchmarks with published results for both. Grok 4.6 scores higher in 5 categories and MiMo-V2.6-Flash in 4 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.6 leads 61.3 to 29.6.
- MiMo-V2.6-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $2 / $6 for Grok 4.6.
- MiMo-V2.6-Flash accepts more context: 1.05M tokens versus 500K.
- MiMo-V2.6-Flash has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4.6 | MiMo-V2.6-Flash |
|---|---|---|
| Provider | xAI | Xiaomi |
| Noometry Index | 56.8 | 44.4 |
| Rank | 19 | 74 |
| Context | 500K | 1.05M |
| Input $/M | $2 | $0.14 |
| Output $/M | $6 | $0.28 |
| Weights | Proprietary | Open |

## Coding

- Grok 4.6: 58.0 (#14)
- MiMo-V2.6-Flash: 44.3 (#68)

| Benchmark | Grok 4.6 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Coding | 1464 | 1516 |
| DeepSWE | 67.5% | — |
| FrontierCode | 48% | — |
| CursorBench | 41.4% | — |
| LMArena WebDev | 1620 | — |
| FrontierSWE | 25.3% | — |
| SciCode | 56.5% | — |
| WeirdML | 67.3% | — |
| ALE-Bench | 1,508 | — |

## Agentic & Tool Use

- Grok 4.6: 39.4 (#25)
- MiMo-V2.6-Flash: —

| Benchmark | Grok 4.6 | MiMo-V2.6-Flash |
|---|---|---|
| APEX-Agents | 65.3% | — |
| GDP.pdf | 17.2% | — |
| Vending-Bench 2 | 9,047 | — |

## Reasoning

- Grok 4.6: 61.3 (#18)
- MiMo-V2.6-Flash: 29.6 (#82)

| Benchmark | Grok 4.6 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Hard Prompts | 1445 | 1481 |
| ARC-AGI-2 | 67.1% | — |
| SimpleBench | 75.9% | — |
| NYT Connections (extended) | 80% | — |
| ARC-AGI-1 | 87.5% | — |
| CritPt | 19.7% | — |
| Chess Puzzles | 40% | — |
| EBR-Bench | 30.5% | — |
| Mystery Game Puzzles | 34% | — |
| DTBench | 97.3% | — |
| LMCA | 48.5% | — |
| Epoch Capabilities Index | 156.48 | — |

## Math

- Grok 4.6: 66.8 (#19)
- MiMo-V2.6-Flash: 37.4 (#97)

| Benchmark | Grok 4.6 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Math | 1416 | 1477 |
| FrontierMath (Tiers 1-3) | 66% | — |
| FrontierMath Tier 4 | 31.7% | — |
| OTIS Mock AIME 2024-2025 | 99.2% | — |
| ProofBench | 51% | — |

## Knowledge

- Grok 4.6: 63.3 (#18)
- MiMo-V2.6-Flash: 42.0 (#91)

| Benchmark | Grok 4.6 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Expert | 1463 | 1516 |
| GPQA Diamond | 94% | — |
| SimpleQA Verified | 49.3% | — |

## Multimodal

- Grok 4.6: 43.9 (#18)
- MiMo-V2.6-Flash: 40.2 (#39)

| Benchmark | Grok 4.6 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Vision | 1265 | 1266 |
| Blueprint-Bench 2 | 33.2% | — |
| Furniture Assembly | 40% | — |
| LMArena Document | 1452 | — |

## Multilingual

- Grok 4.6: 53.3 (#67)
- MiMo-V2.6-Flash: 54.6 (#41)

| Benchmark | Grok 4.6 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Non-English | 1422 | 1439 |
| LMArena Chinese | 1479 | 1501 |
| LMArena Russian | 1427 | 1424 |
| LMArena French | 1458 | — |
| LMArena German | 1425 | — |
| LMArena Japanese | 1383 | — |
| LMArena Korean | 1395 | — |
| LMArena Spanish | 1408 | — |

## Instruction Following

- Grok 4.6: 75.6 (#59)
- MiMo-V2.6-Flash: 77.0 (#33)

| Benchmark | Grok 4.6 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Instruction Following | 1431 | 1463 |

## Long Context

- Grok 4.6: 44.4 (#62)
- MiMo-V2.6-Flash: 44.8 (#52)

| Benchmark | Grok 4.6 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Longer Query | 1453 | 1465 |

## Writing & Preference

- Grok 4.6: 62.5 (#77)
- MiMo-V2.6-Flash: 63.9 (#61)

| Benchmark | Grok 4.6 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Text | 1427 | 1459 |
| LMArena Creative Writing | 1430 | 1408 |
| LMArena Multi-Turn | 1422 | 1460 |

## FAQ

### Is Grok 4.6 better than MiMo-V2.6-Flash?

Grok 4.6 is the stronger model overall, scoring 56.8 to 44.4 on the Noometry Index. MiMo-V2.6-Flash costs 17× less per token, which makes it the better buy when Grok 4.6's lead doesn't matter for your workload.

### Which is cheaper, Grok 4.6 or MiMo-V2.6-Flash?

MiMo-V2.6-Flash is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Grok 4.6 lists at $2 and $6.

### Is Grok 4.6 or MiMo-V2.6-Flash better for coding?

Grok 4.6 scores higher on coding benchmarks: 58.0 versus 44.3 in the Noometry coding category.

### Which has the bigger context window?

MiMo-V2.6-Flash does, with 1.05M tokens against 500K.

### How many benchmarks do Grok 4.6 and MiMo-V2.6-Flash share?

13 benchmarks have published results for both models. Grok 4.6 has 49 scored results on Noometry and MiMo-V2.6-Flash has 13.