Model comparison

DeepSeek V4.1 Flash vs Qwen3.7 Plus

DeepSeek V4.1 Flash is the stronger model overall, scoring 50.3 to 45.0 on the Noometry Index.

Last verified October 10, 2026. 20 shared benchmarks.

DeepSeek V4.1 Flash

DeepSeek

50.3

Rank #40 Confirmed

Qwen3.7 Plus

Alibaba (Qwen)

45.0

Rank #66 Confirmed

Summary

They share 20 benchmarks with published results for both. DeepSeek V4.1 Flash scores higher in 6 categories and Qwen3.7 Plus in 2 categories; 5 gaps are clear of the uncertainty.
The widest gap is in coding, where DeepSeek V4.1 Flash leads 52.8 to 36.1.
The biggest single-benchmark swing is NYT Connections (extended): 89.6% for DeepSeek V4.1 Flash and 74.8% for Qwen3.7 Plus.
DeepSeek V4.1 Flash is cheaper at $0.15 / $0.60 per million input/output tokens, against $0.40 / $1.60 for Qwen3.7 Plus.
DeepSeek V4.1 Flash has downloadable open weights; the other is API-only.

Side by side

DeepSeek V4.1 Flash and Qwen3.7 Plus specifications
	DeepSeek V4.1 Flash	Qwen3.7 Plus
Provider	DeepSeek	Alibaba (Qwen)
Noometry Index	50.3	45.0
Released	2026-09-09	2026-06-02
Weights	Open	Proprietary
Context window	1M	1M
Max output	393K	131K
Input $ / M tokens	$0.15	$0.40
Output $ / M tokens	$0.60	$1.60
Results tracked	25	32

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Category by category

Coding DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 52.8 (#29), Qwen3.7 Plus: 36.1 (#200)

Coding benchmarks
Benchmark	DeepSeek V4.1 Flash	Qwen3.7 Plus
SciCode	51.9%	45.5%
LMArena Coding	1511	1473
FrontierCode	—	10.2%
LMArena WebDev	1620	—
ALE-Bench	1,092	—

Agentic & Tool Use Not comparable

DeepSeek V4.1 Flash: —, Qwen3.7 Plus: 21.2 (#130)

Agentic & Tool Use benchmarks
Benchmark	DeepSeek V4.1 Flash	Qwen3.7 Plus
OSWorld 2.0	—	2.8%

Reasoning DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 46.2 (#39), Qwen3.7 Plus: 38.4 (#54)

Reasoning benchmarks
Benchmark	DeepSeek V4.1 Flash	Qwen3.7 Plus
NYT Connections (extended)	89.6%	74.8%
CritPt	14.3%	9.1%
LMArena Hard Prompts	1485	1460
DTBench	89.9%	84%
LMCA	47%	37.6%
Epoch Capabilities Index	155.01	147.39
Chess Puzzles	—	24%
Mystery Game Puzzles	—	17%
Surface Evolver Bench	46.3%	—

Math Too close to call

DeepSeek V4.1 Flash: 48.4 (#52), Qwen3.7 Plus: 49.3 (#47)

Math benchmarks
Benchmark	DeepSeek V4.1 Flash	Qwen3.7 Plus
LMArena Math	1493	1467
FrontierMath (Tiers 1-3)	—	34.4%
OTIS Mock AIME 2024-2025	—	93.3%
ProofBench	54%	—

Knowledge Qwen3.7 Plus leads

DeepSeek V4.1 Flash: 41.6 (#97), Qwen3.7 Plus: 54.9 (#46)

Knowledge benchmarks
Benchmark	DeepSeek V4.1 Flash	Qwen3.7 Plus
LMArena Expert	1505	1467
GPQA Diamond	—	87.9%

Multimodal Not comparable

DeepSeek V4.1 Flash: —, Qwen3.7 Plus: 41.2 (#30)

Multimodal benchmarks
Benchmark	DeepSeek V4.1 Flash	Qwen3.7 Plus
LMArena Vision	—	1281
LMArena Document	—	1444

Multilingual Too close to call

DeepSeek V4.1 Flash: 55.5 (#29), Qwen3.7 Plus: 55.0 (#36)

Multilingual benchmarks
Benchmark	DeepSeek V4.1 Flash	Qwen3.7 Plus
LMArena Non-English	1452	1445
LMArena Chinese	1506	1510
LMArena French	1448	1471
LMArena Russian	1473	1457
LMArena Spanish	1499	1453
LMArena German	—	1471
LMArena Japanese	—	1411
LMArena Korean	—	1416

Instruction Following DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 77.6 (#24), Qwen3.7 Plus: 75.9 (#49)

Instruction Following benchmarks
Benchmark	DeepSeek V4.1 Flash	Qwen3.7 Plus
LMArena Instruction Following	1475	1439

Long Context Too close to call

DeepSeek V4.1 Flash: 45.2 (#46), Qwen3.7 Plus: 44.5 (#61)

Long Context benchmarks
Benchmark	DeepSeek V4.1 Flash	Qwen3.7 Plus
LMArena Longer Query	1476	1454

Writing & Preference DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 65.8 (#43), Qwen3.7 Plus: 64.5 (#54)

Writing & Preference benchmarks
Benchmark	DeepSeek V4.1 Flash	Qwen3.7 Plus
LMArena Text	1465	1454
LMArena Creative Writing	1436	1439
LMArena Multi-Turn	1460	1459
EQ-Bench Creative Writing	1540	—

Frequently asked questions

Is DeepSeek V4.1 Flash better than Qwen3.7 Plus?

DeepSeek V4.1 Flash is the stronger model overall, scoring 50.3 to 45.0 on the Noometry Index.

Which is cheaper, DeepSeek V4.1 Flash or Qwen3.7 Plus?

DeepSeek V4.1 Flash is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; Qwen3.7 Plus lists at $0.40 and $1.60.

Is DeepSeek V4.1 Flash or Qwen3.7 Plus better for coding?

DeepSeek V4.1 Flash scores higher on coding benchmarks: 52.8 versus 36.1 in the Noometry coding category.

Which has the bigger context window?

Both accept 1M tokens.

How many benchmarks do DeepSeek V4.1 Flash and Qwen3.7 Plus share?

20 benchmarks have published results for both models. DeepSeek V4.1 Flash has 25 scored results on Noometry and Qwen3.7 Plus has 32.