Noometry

Model comparison

DeepSeek V4 Flash vs Qwen3.6 Max Preview

DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 51.1 on the Noometry Index.

Last verified . 25 shared benchmarks.

DeepSeek V4 Flash DeepSeek

53.6

Rank #32 Confirmed

Qwen3.6 Max Preview Alibaba (Qwen)

51.1

Rank #36 Confirmed

Summary

  • They share 25 benchmarks with published results for both. DeepSeek V4 Flash scores higher in 2 categories and Qwen3.6 Max Preview in 6 categories; 4 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where DeepSeek V4 Flash leads 53.7 to 40.8.
  • The biggest single-benchmark swing is SimpleQA Verified: 33.6% for DeepSeek V4 Flash and 52% for Qwen3.6 Max Preview.
  • DeepSeek V4 Flash is cheaper at $0.15 / $0.60 per million input/output tokens, against $1.30 / $7.80 for Qwen3.6 Max Preview.
  • DeepSeek V4 Flash accepts more context: 1M tokens versus 262K.
  • DeepSeek V4 Flash has downloadable open weights; the other is API-only.

Side by side

DeepSeek V4 FlashQwen3.6 Max Preview
ProviderDeepSeekAlibaba (Qwen)
Noometry Index53.651.1
Released2026-04-242026-04-20
WeightsOpenProprietary
Context window1M262K
Max output393K66K
Input $ / M tokens$0.15$1.30
Output $ / M tokens$0.60$7.80
Results tracked4129

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Category by category

Coding Too close to call

DeepSeek V4 Flash: 47.6 (#56), Qwen3.6 Max Preview: 48.6 (#50)

BenchmarkDeepSeek V4 FlashQwen3.6 Max Preview
LMArena WebDev15811482
LMArena Coding14571472
SWE-bench Verified—76.7%
FrontierCode18.8%—
SciCode49.9%—
WeirdML63%—
ALE-Bench1,306—

Agentic & Tool Use Not comparable

DeepSeek V4 Flash: —, Qwen3.6 Max Preview: —

BenchmarkDeepSeek V4 FlashQwen3.6 Max Preview
Vending-Bench 2—4,254

Reasoning DeepSeek V4 Flash leads

DeepSeek V4 Flash: 53.7 (#25), Qwen3.6 Max Preview: 40.8 (#47)

BenchmarkDeepSeek V4 FlashQwen3.6 Max Preview
SimpleBench61.1%63%
NYT Connections (extended)89.6%74.1%
Chess Puzzles33%20%
LMArena Hard Prompts14431457
Mystery Game Puzzles34%19%
DTBench90.9%87.2%
LMCA41.7%42.5%
Epoch Capabilities Index154.51149.27
ARC-AGI-261.4%—
Kagi LLM Benchmark52.2%—
ARC-AGI-189%—
CritPt16.6%—

Math DeepSeek V4 Flash leads

DeepSeek V4 Flash: 60.0 (#31), Qwen3.6 Max Preview: 52.2 (#40)

BenchmarkDeepSeek V4 FlashQwen3.6 Max Preview
OTIS Mock AIME 2024-202594.4%91.1%
LMArena Math14271465
FrontierMath (Tiers 1-3)57.5%—
FrontierMath Tier 424.4%—
MathArena Final-Answer Competitions76.5%—
ProofBench56%—
FrontierMath (Feb 2025 set)—23.1%
FrontierMath Tier 4 (v1)—4.2%

Knowledge Qwen3.6 Max Preview leads

DeepSeek V4 Flash: 55.5 (#43), Qwen3.6 Max Preview: 57.6 (#35)

BenchmarkDeepSeek V4 FlashQwen3.6 Max Preview
GPQA Diamond91%87.4%
SimpleQA Verified33.6%52%
LMArena Expert14411476

Multilingual Qwen3.6 Max Preview leads

DeepSeek V4 Flash: 53.2 (#71), Qwen3.6 Max Preview: 54.3 (#46)

BenchmarkDeepSeek V4 FlashQwen3.6 Max Preview
LMArena Non-English14201436
LMArena Chinese14671487
LMArena French14381449
LMArena Russian14281444
LMArena Spanish14371452
LMArena German1418—
LMArena Japanese1403—
LMArena Korean1383—

Instruction Following Too close to call

DeepSeek V4 Flash: 75.1 (#76), Qwen3.6 Max Preview: 75.8 (#51)

BenchmarkDeepSeek V4 FlashQwen3.6 Max Preview
LMArena Instruction Following14211437

Long Context Too close to call

DeepSeek V4 Flash: 43.8 (#81), Qwen3.6 Max Preview: 44.6 (#59)

BenchmarkDeepSeek V4 FlashQwen3.6 Max Preview
LMArena Longer Query14351457

Writing & Preference Too close to call

DeepSeek V4 Flash: 64.0 (#59), Qwen3.6 Max Preview: 64.0 (#58)

BenchmarkDeepSeek V4 FlashQwen3.6 Max Preview
LMArena Text14321447
LMArena Creative Writing14031435
LMArena Multi-Turn14491456
EQ-Bench Creative Writing1559—

Frequently asked questions

Is DeepSeek V4 Flash better than Qwen3.6 Max Preview?

DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 51.1 on the Noometry Index.

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

DeepSeek V4 Flash is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; Qwen3.6 Max Preview lists at $1.30 and $7.80.

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

They score almost the same on coding (47.6 vs 48.6); test both on your own repository before choosing.

Which has the bigger context window?

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

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

25 benchmarks have published results for both models. DeepSeek V4 Flash has 41 scored results on Noometry and Qwen3.6 Max Preview has 29.

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