# DeepSeek V4.1 Flash vs Qwen3-Coder 480B-A35B Instruct

> DeepSeek V4.1 Flash is the stronger model overall, scoring 50.3 to 37.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/deepseek-v4-1-flash-vs-qwen3-coder-480b-a35b-instruct
- 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 Qwen3-Coder 480B-A35B Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where DeepSeek V4.1 Flash leads 46.2 to 24.7.
- DeepSeek V4.1 Flash is cheaper at $0.15 / $0.60 per million input/output tokens, against $1.50 / $7.50 for Qwen3-Coder 480B-A35B Instruct.
- DeepSeek V4.1 Flash accepts more context: 1M tokens versus 262K.

## Snapshot

| | DeepSeek V4.1 Flash | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| Provider | DeepSeek | Alibaba (Qwen) |
| Noometry Index | 50.3 | 37.7 |
| Rank | 40 | 186 |
| Context | 1M | 262K |
| Input $/M | $0.15 | $1.50 |
| Output $/M | $0.60 | $7.50 |
| Weights | Open | Open |

## Coding

- DeepSeek V4.1 Flash: 52.8 (#29)
- Qwen3-Coder 480B-A35B Instruct: 36.2 (#199)

| Benchmark | DeepSeek V4.1 Flash | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena WebDev | 1620 | 1275 |
| LMArena Coding | 1511 | 1413 |
| ALE-Bench | 1,092 | 461.45 |
| SWE-bench Verified (bash only) | — | 55.4% |
| SciCode | 51.9% | — |
| GSO | — | 4.9% |
| WeirdML | — | 41.2% |
| AlgoTune | — | 1.44 |

## Agentic & Tool Use

- DeepSeek V4.1 Flash: —
- Qwen3-Coder 480B-A35B Instruct: 23.7 (#116)

| Benchmark | DeepSeek V4.1 Flash | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| Terminal-Bench | — | 27.2% |

## Reasoning

- DeepSeek V4.1 Flash: 46.2 (#39)
- Qwen3-Coder 480B-A35B Instruct: 24.7 (#141)

| Benchmark | DeepSeek V4.1 Flash | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Hard Prompts | 1485 | 1372 |
| Kagi LLM Benchmark | — | 49.5% |
| NYT Connections (extended) | 89.6% | — |
| CritPt | 14.3% | — |
| DTBench | 89.9% | — |
| LMCA | 47% | — |
| Surface Evolver Bench | 46.3% | — |
| Epoch Capabilities Index | 155.01 | — |

## Math

- DeepSeek V4.1 Flash: 48.4 (#52)
- Qwen3-Coder 480B-A35B Instruct: 34.9 (#151)

| Benchmark | DeepSeek V4.1 Flash | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Math | 1493 | 1364 |
| ProofBench | 54% | — |

## Knowledge

- DeepSeek V4.1 Flash: 41.6 (#97)
- Qwen3-Coder 480B-A35B Instruct: 36.4 (#159)

| Benchmark | DeepSeek V4.1 Flash | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Expert | 1505 | 1337 |

## Multilingual

- DeepSeek V4.1 Flash: 55.5 (#29)
- Qwen3-Coder 480B-A35B Instruct: 47.8 (#143)

| Benchmark | DeepSeek V4.1 Flash | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Non-English | 1452 | 1345 |
| LMArena Chinese | 1506 | 1356 |
| LMArena French | 1448 | 1394 |
| LMArena Russian | 1473 | 1367 |
| LMArena Spanish | 1499 | 1360 |
| LMArena German | — | 1324 |
| LMArena Japanese | — | 1309 |
| LMArena Korean | — | 1307 |

## Instruction Following

- DeepSeek V4.1 Flash: 77.6 (#24)
- Qwen3-Coder 480B-A35B Instruct: 71.8 (#142)

| Benchmark | DeepSeek V4.1 Flash | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Instruction Following | 1475 | 1356 |

## Long Context

- DeepSeek V4.1 Flash: 45.2 (#46)
- Qwen3-Coder 480B-A35B Instruct: 42.0 (#126)

| Benchmark | DeepSeek V4.1 Flash | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Longer Query | 1476 | 1379 |

## Writing & Preference

- DeepSeek V4.1 Flash: 65.8 (#43)
- Qwen3-Coder 480B-A35B Instruct: 55.5 (#142)

| Benchmark | DeepSeek V4.1 Flash | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Text | 1465 | 1356 |
| LMArena Creative Writing | 1436 | 1333 |
| LMArena Multi-Turn | 1460 | 1365 |
| EQ-Bench Creative Writing | 1540 | — |

## FAQ

### Is DeepSeek V4.1 Flash better than Qwen3-Coder 480B-A35B Instruct?

DeepSeek V4.1 Flash is the stronger model overall, scoring 50.3 to 37.7 on the Noometry Index.

### Which is cheaper, DeepSeek V4.1 Flash or Qwen3-Coder 480B-A35B Instruct?

DeepSeek V4.1 Flash is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; Qwen3-Coder 480B-A35B Instruct lists at $1.50 and $7.50.

### Is DeepSeek V4.1 Flash or Qwen3-Coder 480B-A35B Instruct better for coding?

DeepSeek V4.1 Flash scores higher on coding benchmarks: 52.8 versus 36.2 in the Noometry coding category.

### Which has the bigger context window?

DeepSeek V4.1 Flash does, with 1M tokens against 262K.

### How many benchmarks do DeepSeek V4.1 Flash and Qwen3-Coder 480B-A35B Instruct share?

16 benchmarks have published results for both models. DeepSeek V4.1 Flash has 25 scored results on Noometry and Qwen3-Coder 480B-A35B Instruct has 25.