# DeepSeek-R1 vs MiMo-V2.6-Flash

> MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 42.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/deepseek-r1-vs-mimo-v2-6-flash
- Last updated: 2026-10-10
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. DeepSeek-R1 scores higher in 2 categories and MiMo-V2.6-Flash in 6 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where MiMo-V2.6-Flash leads 36.5 to 18.6.
- The biggest single-benchmark swing is SciCode: 35.7% for DeepSeek-R1 and 51.3% for MiMo-V2.6-Flash.
- MiMo-V2.6-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.50 / $2.15 for DeepSeek-R1.
- MiMo-V2.6-Flash accepts more context: 1.05M tokens versus 164K.
- MiMo-V2.6-Flash has downloadable open weights; the other is API-only.

## Snapshot

| | DeepSeek-R1 | MiMo-V2.6-Flash |
|---|---|---|
| Provider | DeepSeek | Xiaomi |
| Noometry Index | 42.3 | 48.5 |
| Rank | 115 | 55 |
| Context | 164K | 1.05M |
| Input $/M | $0.50 | $0.14 |
| Output $/M | $2.15 | $0.28 |
| Weights | Proprietary | Open |

## Coding

- DeepSeek-R1: 46.3 (#68)
- MiMo-V2.6-Flash: 53.4 (#30)

| Benchmark | DeepSeek-R1 | MiMo-V2.6-Flash |
|---|---|---|
| SciCode | 35.7% | 51.3% |
| LMArena Coding | 1427 | 1504 |
| Aider Polyglot | 71.4% | — |
| LMArena WebDev | — | 1637 |
| WeirdML | 41.6% | — |
| LiveBench Coding | 66.7% | — |
| ALE-Bench | 804.12 | — |
| AlgoTune | 1.7 | — |

## Agentic & Tool Use

- DeepSeek-R1: 30.7 (#75)
- MiMo-V2.6-Flash: —

| Benchmark | DeepSeek-R1 | MiMo-V2.6-Flash |
|---|---|---|
| DeepResearch Bench | 35.1% | — |
| BALROG | 34.9% | — |
| METR Time Horizons | 53.8% | — |

## Reasoning

- DeepSeek-R1: 18.6 (#278)
- MiMo-V2.6-Flash: 36.5 (#66)

| Benchmark | DeepSeek-R1 | MiMo-V2.6-Flash |
|---|---|---|
| CritPt | 1.1% | 12% |
| LMArena Hard Prompts | 1416 | 1482 |
| ARC-AGI-2 | 1.3% | — |
| SimpleBench | 40.8% | — |
| Kagi LLM Benchmark | 69.4% | — |
| ARC-AGI-1 | 21.2% | — |
| LiveBench Reasoning | 83.2% | — |
| LiveBench Data Analysis | 69.8% | — |
| Epoch Capabilities Index | 141.29 | — |
| ForecastBench | 60 | — |
| LiveBench | 71.6% | — |

## Math

- DeepSeek-R1: 43.8 (#79)
- MiMo-V2.6-Flash: 51.9 (#52)

| Benchmark | DeepSeek-R1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Math | 1400 | 1468 |
| OTIS Mock AIME 2024-2025 | 66.4% | — |
| ProofBench | — | 63% |
| Omni-MATH | 42.4% | — |
| LiveBench Math | 80.7% | — |
| MATH Level 5 | 96.6% | — |

## Knowledge

- DeepSeek-R1: 44.5 (#87)
- MiMo-V2.6-Flash: 42.2 (#99)

| Benchmark | DeepSeek-R1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Expert | 1394 | 1501 |
| GPQA Diamond | 76.3% | — |
| MMLU-Pro | 79.3% | — |
| Confabulations | 12.7% | — |
| Vectara Hallucination Rate | 11.3% | — |
| GPQA (HELM) | 66.6% | — |

## Multimodal

- DeepSeek-R1: —
- MiMo-V2.6-Flash: 40.5 (#47)

| Benchmark | DeepSeek-R1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Vision | — | 1259 |

## Multilingual

- DeepSeek-R1: 52.4 (#85)
- MiMo-V2.6-Flash: 54.0 (#51)

| Benchmark | DeepSeek-R1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Non-English | 1412 | 1434 |
| LMArena Chinese | 1442 | 1511 |
| LMArena French | 1417 | 1475 |
| LMArena Russian | 1423 | 1409 |
| LMArena Spanish | 1411 | 1456 |
| LMArena German | 1404 | — |
| LMArena Japanese | 1391 | — |
| LMArena Korean | 1360 | — |

## Instruction Following

- DeepSeek-R1: 72.0 (#143)
- MiMo-V2.6-Flash: 76.8 (#35)

| Benchmark | DeepSeek-R1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Instruction Following | 1382 | 1463 |
| LiveBench Instruction Following | 80.5% | — |
| IFEval | 78.4% | — |

## Long Context

- DeepSeek-R1: 45.4 (#36)
- MiMo-V2.6-Flash: 44.8 (#57)

| Benchmark | DeepSeek-R1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Longer Query | 1391 | 1463 |
| Fiction.LiveBench | 75% | — |

## Writing & Preference

- DeepSeek-R1: 61.4 (#88)
- MiMo-V2.6-Flash: 63.1 (#67)

| Benchmark | DeepSeek-R1 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Text | 1428 | 1455 |
| LMArena Creative Writing | 1405 | 1400 |
| LMArena Multi-Turn | 1405 | 1451 |
| Short-Story Creative Writing | 83% | — |
| EQ-Bench Creative Writing | 1500 | — |
| WildBench | 82.8% | — |
| LiveBench Language | 48.5% | — |

## FAQ

### Is DeepSeek-R1 better than MiMo-V2.6-Flash?

MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 42.3 on the Noometry Index.

### Which is cheaper, DeepSeek-R1 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; DeepSeek-R1 lists at $0.50 and $2.15.

### Is DeepSeek-R1 or MiMo-V2.6-Flash better for coding?

MiMo-V2.6-Flash scores higher on coding benchmarks: 53.4 versus 46.3 in the Noometry coding category.

### Which has the bigger context window?

MiMo-V2.6-Flash does, with 1.05M tokens against 164K.

### How many benchmarks do DeepSeek-R1 and MiMo-V2.6-Flash share?

16 benchmarks have published results for both models. DeepSeek-R1 has 52 scored results on Noometry and MiMo-V2.6-Flash has 19.