# MiMo-V2.6-Flash vs Sonar

> MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 38.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mimo-v2-6-flash-vs-sonar
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where MiMo-V2.6-Flash leads 51.9 to 33.7.
- MiMo-V2.6-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $1 / $1 for Sonar.
- MiMo-V2.6-Flash accepts more context: 1.05M tokens versus 128K.
- MiMo-V2.6-Flash has downloadable open weights; the other is API-only.

## Snapshot

| | MiMo-V2.6-Flash | Sonar |
|---|---|---|
| Provider | Xiaomi | Perplexity |
| Noometry Index | 48.5 | 38.5 |
| Rank | 55 | 187 |
| Context | 1.05M | 128K |
| Input $/M | $0.14 | $1 |
| Output $/M | $0.28 | $1 |
| Weights | Open | Proprietary |

## Coding

- MiMo-V2.6-Flash: 53.4 (#30)
- Sonar: 35.7 (#221)

| Benchmark | MiMo-V2.6-Flash | Sonar |
|---|---|---|
| LMArena WebDev | 1637 | — |
| SciCode | 51.3% | — |
| LiveBench Coding | — | 35.1% |
| LMArena Coding | 1504 | — |

## Reasoning

- MiMo-V2.6-Flash: 36.5 (#66)
- Sonar: 21.1 (#227)

| Benchmark | MiMo-V2.6-Flash | Sonar |
|---|---|---|
| CritPt | 12% | — |
| LiveBench Reasoning | — | 46.3% |
| LMArena Hard Prompts | 1482 | — |
| LiveBench Data Analysis | — | 37.9% |
| LiveBench | — | 46.9% |

## Math

- MiMo-V2.6-Flash: 51.9 (#52)
- Sonar: 33.7 (#200)

| Benchmark | MiMo-V2.6-Flash | Sonar |
|---|---|---|
| ProofBench | 63% | — |
| LiveBench Math | — | 41.6% |
| LMArena Math | 1468 | — |

## Knowledge

- MiMo-V2.6-Flash: 42.2 (#99)
- Sonar: —

| Benchmark | MiMo-V2.6-Flash | Sonar |
|---|---|---|
| LMArena Expert | 1501 | — |

## Multimodal

- MiMo-V2.6-Flash: 40.5 (#47)
- Sonar: —

| Benchmark | MiMo-V2.6-Flash | Sonar |
|---|---|---|
| LMArena Vision | 1259 | — |

## Multilingual

- MiMo-V2.6-Flash: 54.0 (#51)
- Sonar: —

| Benchmark | MiMo-V2.6-Flash | Sonar |
|---|---|---|
| LMArena Non-English | 1434 | — |
| LMArena Chinese | 1511 | — |
| LMArena French | 1475 | — |
| LMArena Russian | 1409 | — |
| LMArena Spanish | 1456 | — |

## Instruction Following

- MiMo-V2.6-Flash: 76.8 (#35)
- Sonar: 71.4 (#150)

| Benchmark | MiMo-V2.6-Flash | Sonar |
|---|---|---|
| LiveBench Instruction Following | — | 76.2% |
| LMArena Instruction Following | 1463 | — |

## Long Context

- MiMo-V2.6-Flash: 44.8 (#57)
- Sonar: —

| Benchmark | MiMo-V2.6-Flash | Sonar |
|---|---|---|
| LMArena Longer Query | 1463 | — |

## Writing & Preference

- MiMo-V2.6-Flash: 63.1 (#67)
- Sonar: 52.6 (#167)

| Benchmark | MiMo-V2.6-Flash | Sonar |
|---|---|---|
| LMArena Text | 1455 | — |
| LMArena Creative Writing | 1400 | — |
| LMArena Multi-Turn | 1451 | — |
| LiveBench Language | — | 44.1% |

## FAQ

### Is MiMo-V2.6-Flash better than Sonar?

MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 38.5 on the Noometry Index.

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

MiMo-V2.6-Flash is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Sonar lists at $1 and $1.

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

MiMo-V2.6-Flash scores higher on coding benchmarks: 53.4 versus 35.7 in the Noometry coding category.

### Which has the bigger context window?

MiMo-V2.6-Flash does, with 1.05M tokens against 128K.

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

0 benchmarks have published results for both models. MiMo-V2.6-Flash has 19 scored results on Noometry and Sonar has 7.