# DeepSeek V4.1 Flash vs Mixtral 8x22B

> DeepSeek V4.1 Flash is the stronger model overall, scoring 50.3 to 26.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/deepseek-v4-1-flash-vs-mixtral-8x22b
- Last updated: 2026-10-10
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. DeepSeek V4.1 Flash scores higher in 8 categories and Mixtral 8x22B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where DeepSeek V4.1 Flash leads 52.8 to 23.8.
- The biggest single-benchmark swing is DTBench: 89.9% for DeepSeek V4.1 Flash and 55.1% for Mixtral 8x22B.
- DeepSeek V4.1 Flash is cheaper at $0.15 / $0.60 per million input/output tokens, against $2 / $6 for Mixtral 8x22B.
- DeepSeek V4.1 Flash accepts more context: 1M tokens versus 64K.

## Snapshot

| | DeepSeek V4.1 Flash | Mixtral 8x22B |
|---|---|---|
| Provider | DeepSeek | Mistral AI |
| Noometry Index | 50.3 | 26.7 |
| Rank | 40 | 330 |
| Context | 1M | 64K |
| Input $/M | $0.15 | $2 |
| Output $/M | $0.60 | $6 |
| Weights | Open | Open |

## Coding

- DeepSeek V4.1 Flash: 52.8 (#29)
- Mixtral 8x22B: 23.8 (#324)

| Benchmark | DeepSeek V4.1 Flash | Mixtral 8x22B |
|---|---|---|
| LMArena Coding | 1511 | 1166 |
| LMArena WebDev | 1620 | — |
| SciCode | 51.9% | — |
| WeirdML | — | 3.2% |
| BigCodeBench Instruct | — | 40.6% |
| BigCodeBench Complete | — | 50.2% |
| ALE-Bench | 1,092 | — |
| HumanEval+ | — | 72% |
| MBPP+ | — | 64.3% |

## Agentic & Tool Use

- DeepSeek V4.1 Flash: —
- Mixtral 8x22B: 22.8 (#119)

| Benchmark | DeepSeek V4.1 Flash | Mixtral 8x22B |
|---|---|---|
| Cybench | — | 7.5% |

## Reasoning

- DeepSeek V4.1 Flash: 46.2 (#39)
- Mixtral 8x22B: 19.1 (#246)

| Benchmark | DeepSeek V4.1 Flash | Mixtral 8x22B |
|---|---|---|
| LMArena Hard Prompts | 1485 | 1150 |
| DTBench | 89.9% | 55.1% |
| Epoch Capabilities Index | 155.01 | 122 |
| NYT Connections (extended) | 89.6% | — |
| CritPt | 14.3% | — |
| LMCA | 47% | — |
| Surface Evolver Bench | 46.3% | — |
| ForecastBench | — | 56.3 |

## Math

- DeepSeek V4.1 Flash: 48.4 (#52)
- Mixtral 8x22B: 21.2 (#271)

| Benchmark | DeepSeek V4.1 Flash | Mixtral 8x22B |
|---|---|---|
| LMArena Math | 1493 | 1184 |
| ProofBench | 54% | — |
| Omni-MATH | — | 16.3% |
| MATH Level 5 | — | 24.2% |

## Knowledge

- DeepSeek V4.1 Flash: 41.6 (#97)
- Mixtral 8x22B: 15.1 (#288)

| Benchmark | DeepSeek V4.1 Flash | Mixtral 8x22B |
|---|---|---|
| LMArena Expert | 1505 | 1113 |
| GPQA Diamond | — | 34.1% |
| MMLU-Pro | — | 46% |
| GPQA (HELM) | — | 33.4% |
| MMLU | — | 77.8% |

## Multilingual

- DeepSeek V4.1 Flash: 55.5 (#29)
- Mixtral 8x22B: 32.9 (#250)

| Benchmark | DeepSeek V4.1 Flash | Mixtral 8x22B |
|---|---|---|
| LMArena Non-English | 1452 | 1128 |
| LMArena Chinese | 1506 | 1116 |
| LMArena French | 1448 | 1165 |
| LMArena Russian | 1473 | 1158 |
| LMArena Spanish | 1499 | 1150 |
| LMArena German | — | 1141 |
| LMArena Japanese | — | 1037 |
| LMArena Korean | — | 1056 |

## Instruction Following

- DeepSeek V4.1 Flash: 77.6 (#24)
- Mixtral 8x22B: 57.9 (#261)

| Benchmark | DeepSeek V4.1 Flash | Mixtral 8x22B |
|---|---|---|
| LMArena Instruction Following | 1475 | 1147 |
| IFEval | — | 72.4% |

## Long Context

- DeepSeek V4.1 Flash: 45.2 (#46)
- Mixtral 8x22B: 34.6 (#242)

| Benchmark | DeepSeek V4.1 Flash | Mixtral 8x22B |
|---|---|---|
| LMArena Longer Query | 1476 | 1144 |

## Writing & Preference

- DeepSeek V4.1 Flash: 65.8 (#43)
- Mixtral 8x22B: 37.1 (#257)

| Benchmark | DeepSeek V4.1 Flash | Mixtral 8x22B |
|---|---|---|
| LMArena Text | 1465 | 1162 |
| LMArena Creative Writing | 1436 | 1141 |
| LMArena Multi-Turn | 1460 | 1130 |
| EQ-Bench Creative Writing | 1540 | — |
| WildBench | — | 71.1% |

## FAQ

### Is DeepSeek V4.1 Flash better than Mixtral 8x22B?

DeepSeek V4.1 Flash is the stronger model overall, scoring 50.3 to 26.7 on the Noometry Index.

### Which is cheaper, DeepSeek V4.1 Flash or Mixtral 8x22B?

DeepSeek V4.1 Flash is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; Mixtral 8x22B lists at $2 and $6.

### Is DeepSeek V4.1 Flash or Mixtral 8x22B better for coding?

DeepSeek V4.1 Flash scores higher on coding benchmarks: 52.8 versus 23.8 in the Noometry coding category.

### Which has the bigger context window?

DeepSeek V4.1 Flash does, with 1M tokens against 64K.

### How many benchmarks do DeepSeek V4.1 Flash and Mixtral 8x22B share?

16 benchmarks have published results for both models. DeepSeek V4.1 Flash has 25 scored results on Noometry and Mixtral 8x22B has 34.