# DeepSeek V4 Flash vs Qwen3.6 Flash

> DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 38.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/deepseek-v4-flash-vs-qwen3-6-flash
- Last updated: 2026-10-10
- Shared benchmarks: 11

## Summary

- They share 11 benchmarks with published results for both. DeepSeek V4 Flash scores higher in 3 categories and Qwen3.6 Flash in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where DeepSeek V4 Flash leads 53.7 to 29.0.
- The biggest single-benchmark swing is FrontierMath (Tiers 1-3): 57.5% for DeepSeek V4 Flash and 22.5% for Qwen3.6 Flash.
- DeepSeek V4 Flash is cheaper at $0.15 / $0.60 per million input/output tokens, against $0.19 / $1.13 for Qwen3.6 Flash.
- DeepSeek V4 Flash has downloadable open weights; the other is API-only.

## Snapshot

| | DeepSeek V4 Flash | Qwen3.6 Flash |
|---|---|---|
| Provider | DeepSeek | Alibaba (Qwen) |
| Noometry Index | 53.6 | 38.8 |
| Rank | 35 | 182 |
| Context | 1M | 1M |
| Input $/M | $0.15 | $0.19 |
| Output $/M | $0.60 | $1.13 |
| Weights | Open | Proprietary |

## Coding

- DeepSeek V4 Flash: 47.9 (#59)
- Qwen3.6 Flash: —

| Benchmark | DeepSeek V4 Flash | Qwen3.6 Flash |
|---|---|---|
| ALE-Bench | 1,306 | 326.4 |
| FrontierCode | 18.8% | — |
| LMArena WebDev | 1582 | — |
| SciCode | 49.9% | — |
| WeirdML | 63% | — |
| LMArena Coding | 1457 | — |

## Reasoning

- DeepSeek V4 Flash: 53.7 (#30)
- Qwen3.6 Flash: 29.0 (#96)

| Benchmark | DeepSeek V4 Flash | Qwen3.6 Flash |
|---|---|---|
| SimpleBench | 61.1% | 35.2% |
| Chess Puzzles | 33% | 20% |
| Mystery Game Puzzles | 34% | 18% |
| DTBench | 90.9% | 77.1% |
| LMCA | 41.7% | 31% |
| Epoch Capabilities Index | 154.49 | 143.26 |
| ARC-AGI-2 | 61.4% | — |
| Kagi LLM Benchmark | 52.2% | — |
| NYT Connections (extended) | 89.6% | — |
| ARC-AGI-1 | 89% | — |
| CritPt | 16.6% | — |
| LMArena Hard Prompts | 1444 | — |

## Math

- DeepSeek V4 Flash: 60.3 (#37)
- Qwen3.6 Flash: 39.0 (#117)

| Benchmark | DeepSeek V4 Flash | Qwen3.6 Flash |
|---|---|---|
| FrontierMath (Tiers 1-3) | 57.5% | 22.5% |
| OTIS Mock AIME 2024-2025 | 94.4% | 84.4% |
| FrontierMath Tier 4 | 24.4% | — |
| MathArena Final-Answer Competitions | 76.5% | — |
| ProofBench | 56% | — |
| LMArena Math | 1427 | — |
| FrontierMath (Feb 2025 set) | — | 10.3% |
| FrontierMath Tier 4 (v1) | — | 0% |

## Knowledge

- DeepSeek V4 Flash: 55.4 (#48)
- Qwen3.6 Flash: 42.1 (#100)

| Benchmark | DeepSeek V4 Flash | Qwen3.6 Flash |
|---|---|---|
| GPQA Diamond | 91% | 83.3% |
| SimpleQA Verified | 33.6% | 15.9% |
| LMArena Expert | 1441 | — |

## Multilingual

- DeepSeek V4 Flash: 53.0 (#72)
- Qwen3.6 Flash: —

| Benchmark | DeepSeek V4 Flash | Qwen3.6 Flash |
|---|---|---|
| LMArena Non-English | 1420 | — |
| LMArena Chinese | 1468 | — |
| LMArena French | 1439 | — |
| LMArena German | 1418 | — |
| LMArena Japanese | 1406 | — |
| LMArena Korean | 1384 | — |
| LMArena Russian | 1428 | — |
| LMArena Spanish | 1436 | — |

## Instruction Following

- DeepSeek V4 Flash: 74.9 (#81)
- Qwen3.6 Flash: —

| Benchmark | DeepSeek V4 Flash | Qwen3.6 Flash |
|---|---|---|
| LMArena Instruction Following | 1421 | — |

## Long Context

- DeepSeek V4 Flash: 43.8 (#85)
- Qwen3.6 Flash: —

| Benchmark | DeepSeek V4 Flash | Qwen3.6 Flash |
|---|---|---|
| LMArena Longer Query | 1434 | — |

## Writing & Preference

- DeepSeek V4 Flash: 63.8 (#61)
- Qwen3.6 Flash: —

| Benchmark | DeepSeek V4 Flash | Qwen3.6 Flash |
|---|---|---|
| LMArena Text | 1432 | — |
| LMArena Creative Writing | 1403 | — |
| EQ-Bench Creative Writing | 1559 | — |
| LMArena Multi-Turn | 1449 | — |

## FAQ

### Is DeepSeek V4 Flash better than Qwen3.6 Flash?

DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 38.8 on the Noometry Index.

### Which is cheaper, DeepSeek V4 Flash or Qwen3.6 Flash?

DeepSeek V4 Flash is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; Qwen3.6 Flash lists at $0.19 and $1.13.

### Which has the bigger context window?

Both accept 1M tokens.

### How many benchmarks do DeepSeek V4 Flash and Qwen3.6 Flash share?

11 benchmarks have published results for both models. DeepSeek V4 Flash has 41 scored results on Noometry and Qwen3.6 Flash has 13.