Noometry

Model comparison

DeepSeek V4 Flash vs Qwen3.6 Plus

DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 47.5 on the Noometry Index.

Last verified . 31 shared benchmarks.

DeepSeek V4 Flash DeepSeek

53.6

Rank #35 Confirmed

Qwen3.6 Plus Alibaba (Qwen)

47.5

Rank #62 Confirmed

Summary

  • They share 31 benchmarks with published results for both. DeepSeek V4 Flash scores higher in 4 categories and Qwen3.6 Plus in 4 categories; 5 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where DeepSeek V4 Flash leads 53.7 to 29.3.
  • The biggest single-benchmark swing is NYT Connections (extended): 89.6% for DeepSeek V4 Flash and 60.3% for Qwen3.6 Plus.
  • DeepSeek V4 Flash is cheaper at $0.15 / $0.60 per million input/output tokens, against $0.50 / $3 for Qwen3.6 Plus.
  • DeepSeek V4 Flash has downloadable open weights; the other is API-only.

Side by side

DeepSeek V4 FlashQwen3.6 Plus
ProviderDeepSeekAlibaba (Qwen)
Noometry Index53.647.5
Released2026-04-242026-03-31
WeightsOpenProprietary
Context window1M1M
Max output393K66K
Input $ / M tokens$0.15$0.50
Output $ / M tokens$0.60$3
Results tracked4137

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Category by category

Coding DeepSeek V4 Flash leads

DeepSeek V4 Flash: 47.9 (#59), Qwen3.6 Plus: 40.8 (#130)

BenchmarkDeepSeek V4 FlashQwen3.6 Plus
LMArena WebDev15821461
SciCode49.9%40.7%
LMArena Coding14571467
ALE-Bench1,306670.15
SWE-bench Verified—57.9%
FrontierCode18.8%—
WeirdML63%—

Agentic & Tool Use Not comparable

DeepSeek V4 Flash: —, Qwen3.6 Plus: —

BenchmarkDeepSeek V4 FlashQwen3.6 Plus
Vending-Bench 2—5,115

Reasoning DeepSeek V4 Flash leads

DeepSeek V4 Flash: 53.7 (#30), Qwen3.6 Plus: 29.3 (#93)

BenchmarkDeepSeek V4 FlashQwen3.6 Plus
NYT Connections (extended)89.6%60.3%
CritPt16.6%2.9%
Chess Puzzles33%17%
LMArena Hard Prompts14441449
Mystery Game Puzzles34%12%
DTBench90.9%81.9%
LMCA41.7%33.1%
Epoch Capabilities Index154.49147.65
ARC-AGI-261.4%—
SimpleBench61.1%—
Kagi LLM Benchmark52.2%—
ARC-AGI-189%—
Thematic Generalization—59.5%

Math DeepSeek V4 Flash leads

DeepSeek V4 Flash: 60.3 (#37), Qwen3.6 Plus: 51.8 (#54)

BenchmarkDeepSeek V4 FlashQwen3.6 Plus
FrontierMath (Tiers 1-3)57.5%38.2%
OTIS Mock AIME 2024-202594.4%93.3%
LMArena Math14271450
FrontierMath Tier 424.4%—
MathArena Final-Answer Competitions76.5%—
ProofBench56%—
FrontierMath (Feb 2025 set)—26.2%
FrontierMath Tier 4 (v1)—8.3%

Knowledge Too close to call

DeepSeek V4 Flash: 55.4 (#48), Qwen3.6 Plus: 56.1 (#45)

BenchmarkDeepSeek V4 FlashQwen3.6 Plus
GPQA Diamond91%88.4%
SimpleQA Verified33.6%44.1%
LMArena Expert14411454

Multilingual Too close to call

DeepSeek V4 Flash: 53.0 (#72), Qwen3.6 Plus: 53.3 (#70)

BenchmarkDeepSeek V4 FlashQwen3.6 Plus
LMArena Non-English14201424
LMArena Chinese14681477
LMArena French14391455
LMArena German14181452
LMArena Japanese14061389
LMArena Korean13841379
LMArena Russian14281434
LMArena Spanish14361432

Instruction Following Too close to call

DeepSeek V4 Flash: 74.9 (#81), Qwen3.6 Plus: 75.0 (#74)

BenchmarkDeepSeek V4 FlashQwen3.6 Plus
LMArena Instruction Following14211425

Long Context Qwen3.6 Plus leads

DeepSeek V4 Flash: 43.8 (#85), Qwen3.6 Plus: 45.2 (#49)

BenchmarkDeepSeek V4 FlashQwen3.6 Plus
LMArena Longer Query14341439
CL-bench—20.3%

Writing & Preference DeepSeek V4 Flash leads

DeepSeek V4 Flash: 63.8 (#61), Qwen3.6 Plus: 62.2 (#82)

BenchmarkDeepSeek V4 FlashQwen3.6 Plus
LMArena Text14321437
LMArena Creative Writing14031404
LMArena Multi-Turn14491438
EQ-Bench Creative Writing1559—

Frequently asked questions

Is DeepSeek V4 Flash better than Qwen3.6 Plus?

DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 47.5 on the Noometry Index.

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

DeepSeek V4 Flash is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; Qwen3.6 Plus lists at $0.50 and $3.

Is DeepSeek V4 Flash or Qwen3.6 Plus better for coding?

DeepSeek V4 Flash scores higher on coding benchmarks: 47.9 versus 40.8 in the Noometry coding category.

Which has the bigger context window?

Both accept 1M tokens.

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

31 benchmarks have published results for both models. DeepSeek V4 Flash has 41 scored results on Noometry and Qwen3.6 Plus has 37.

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