Model comparison
DeepSeek V4.1 Flash vs Qwen3-Next 80B-A3B Instruct
DeepSeek V4.1 Flash is the stronger model overall, scoring 52.8 to 43.0 on the Noometry Index.
Last verified . 17 shared benchmarks.
DeepSeek
Alibaba (Qwen)Summary
- They share 17 benchmarks with published results for both. DeepSeek V4.1 Flash scores higher in 8 categories and Qwen3-Next 80B-A3B Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where DeepSeek V4.1 Flash leads 66.7 to 38.8.
- DeepSeek V4.1 Flash is cheaper at $0.15 / $0.60 per million input/output tokens, against $0.50 / $2 for Qwen3-Next 80B-A3B Instruct.
- DeepSeek V4.1 Flash accepts more context: 1M tokens versus 131K.
Side by side
| DeepSeek V4.1 Flash | Qwen3-Next 80B-A3B Instruct | |
|---|---|---|
| Provider | DeepSeek | Alibaba (Qwen) |
| Noometry Index | 52.8 | 43.0 |
| Released | 2026-09-09 | 2025-09 |
| Weights | Open | Open |
| Context window | 1M | 131K |
| Max output | 393K | 33K |
| Input $ / M tokens | $0.15 | $0.50 |
| Output $ / M tokens | $0.60 | $2 |
| Results tracked | 37 | 25 |
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Category by category
Coding DeepSeek V4.1 Flash leads
DeepSeek V4.1 Flash: 52.9 (#32), Qwen3-Next 80B-A3B Instruct: 42.5 (#98)
| Benchmark | DeepSeek V4.1 Flash | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| LMArena Coding | 1506 | 1440 |
| LMArena WebDev | 1619 | — |
| SciCode | 51.9% | — |
| ALE-Bench | 1,092 | — |
Agentic & Tool Use Not comparable
DeepSeek V4.1 Flash: 31.2 (#69), Qwen3-Next 80B-A3B Instruct: —
| Benchmark | DeepSeek V4.1 Flash | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| APEX-Agents | 39.5% | — |
| GDP.pdf | 19.8% | — |
Reasoning DeepSeek V4.1 Flash leads
DeepSeek V4.1 Flash: 50.2 (#36), Qwen3-Next 80B-A3B Instruct: 31.1 (#81)
| Benchmark | DeepSeek V4.1 Flash | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| LMArena Hard Prompts | 1483 | 1428 |
| Kagi LLM Benchmark | — | 66.7% |
| NYT Connections (extended) | 89.6% | — |
| CritPt | 14.3% | — |
| Mystery Game Puzzles | 43% | — |
| DTBench | 89.9% | — |
| LMCA | 47% | — |
| Surface Evolver Bench | 46.3% | — |
| Epoch Capabilities Index | 154.9 | — |
Math DeepSeek V4.1 Flash leads
DeepSeek V4.1 Flash: 66.7 (#25), Qwen3-Next 80B-A3B Instruct: 38.8 (#126)
| Benchmark | DeepSeek V4.1 Flash | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| LMArena Math | 1477 | 1440 |
| FrontierMath (Tiers 1-3) | 67.4% | — |
| FrontierMath Tier 4 | 26.8% | — |
| OTIS Mock AIME 2024-2025 | 98.3% | — |
| ProofBench | 54% | — |
| Omni-MATH | — | 46.7% |
Knowledge DeepSeek V4.1 Flash leads
DeepSeek V4.1 Flash: 57.9 (#38), Qwen3-Next 80B-A3B Instruct: 41.8 (#106)
| Benchmark | DeepSeek V4.1 Flash | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| LMArena Expert | 1506 | 1417 |
| GPQA Diamond | 89.8% | — |
| MMLU-Pro | — | 78.6% |
| Vectara Hallucination Rate | — | 9.3% |
| GPQA (HELM) | — | 63% |
Multimodal Not comparable
DeepSeek V4.1 Flash: 39.1 (#61), Qwen3-Next 80B-A3B Instruct: —
| Benchmark | DeepSeek V4.1 Flash | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| LMArena Vision | 1277 | — |
| Furniture Assembly | 34.2% | — |
Multilingual DeepSeek V4.1 Flash leads
DeepSeek V4.1 Flash: 55.0 (#35), Qwen3-Next 80B-A3B Instruct: 52.1 (#93)
| Benchmark | DeepSeek V4.1 Flash | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| LMArena Non-English | 1448 | 1407 |
| LMArena Chinese | 1497 | 1460 |
| LMArena French | 1452 | 1413 |
| LMArena German | 1484 | 1417 |
| LMArena Japanese | 1412 | 1395 |
| LMArena Korean | 1452 | 1364 |
| LMArena Russian | 1471 | 1404 |
| LMArena Spanish | 1459 | 1435 |
Instruction Following DeepSeek V4.1 Flash leads
DeepSeek V4.1 Flash: 77.3 (#26), Qwen3-Next 80B-A3B Instruct: 70.8 (#159)
| Benchmark | DeepSeek V4.1 Flash | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| LMArena Instruction Following | 1474 | 1389 |
| IFEval | — | 81% |
Long Context DeepSeek V4.1 Flash leads
DeepSeek V4.1 Flash: 45.2 (#47), Qwen3-Next 80B-A3B Instruct: 37.0 (#223)
| Benchmark | DeepSeek V4.1 Flash | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| LMArena Longer Query | 1475 | 1403 |
| Fiction.LiveBench | — | 55.6% |
Writing & Preference DeepSeek V4.1 Flash leads
DeepSeek V4.1 Flash: 65.4 (#48), Qwen3-Next 80B-A3B Instruct: 58.0 (#121)
| Benchmark | DeepSeek V4.1 Flash | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| LMArena Text | 1462 | 1417 |
| LMArena Creative Writing | 1435 | 1334 |
| LMArena Multi-Turn | 1457 | 1416 |
| EQ-Bench Creative Writing | 1540 | — |
| WildBench | — | 80.7% |
Frequently asked questions
Is DeepSeek V4.1 Flash better than Qwen3-Next 80B-A3B Instruct?
DeepSeek V4.1 Flash is the stronger model overall, scoring 52.8 to 43.0 on the Noometry Index.
Which is cheaper, DeepSeek V4.1 Flash or Qwen3-Next 80B-A3B Instruct?
DeepSeek V4.1 Flash is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; Qwen3-Next 80B-A3B Instruct lists at $0.50 and $2.
Is DeepSeek V4.1 Flash or Qwen3-Next 80B-A3B Instruct better for coding?
DeepSeek V4.1 Flash scores higher on coding benchmarks: 52.9 versus 42.5 in the Noometry coding category.
Which has the bigger context window?
DeepSeek V4.1 Flash does, with 1M tokens against 131K.
How many benchmarks do DeepSeek V4.1 Flash and Qwen3-Next 80B-A3B Instruct share?
17 benchmarks have published results for both models. DeepSeek V4.1 Flash has 37 scored results on Noometry and Qwen3-Next 80B-A3B Instruct has 25.