Model comparison

DeepSeek V4.1 Flash vs Qwen Max

DeepSeek V4.1 Flash is the stronger model overall, scoring 52.8 to 34.7 on the Noometry Index.

Last verified . 19 shared benchmarks.

DeepSeek V4.1 Flash DeepSeek

52.8

Rank #38 Confirmed

Qwen Max Alibaba (Qwen)

34.7

Rank #230 Confirmed

Summary

  • They share 19 benchmarks with published results for both. DeepSeek V4.1 Flash scores higher in 8 categories and Qwen Max 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 22.3.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 98.3% for DeepSeek V4.1 Flash and 16.1% for Qwen Max.
  • DeepSeek V4.1 Flash is cheaper at $0.15 / $0.60 per million input/output tokens, against $1.60 / $6.40 for Qwen Max.
  • DeepSeek V4.1 Flash accepts more context: 1M tokens versus 33K.
  • DeepSeek V4.1 Flash has downloadable open weights; the other is API-only.

Side by side

DeepSeek V4.1 Flash and Qwen Max specifications
DeepSeek V4.1 FlashQwen Max
ProviderDeepSeekAlibaba (Qwen)
Noometry Index52.834.7
Released2026-09-092024-04-03
WeightsOpenProprietary
Context window1M33K
Max output393K8K
Input $ / M tokens$0.15$1.60
Output $ / M tokens$0.60$6.40
Results tracked3723

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Category by category

Coding DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 52.9 (#32), Qwen Max: 30.7 (#292)

Coding benchmarks
BenchmarkDeepSeek V4.1 FlashQwen Max
LMArena Coding15061288
Aider Polyglot—21.8%
LMArena WebDev1619—
SciCode51.9%—
ALE-Bench1,092—

Agentic & Tool Use Not comparable

DeepSeek V4.1 Flash: 31.2 (#69), Qwen Max: —

Agentic & Tool Use benchmarks
BenchmarkDeepSeek V4.1 FlashQwen Max
APEX-Agents39.5%—
GDP.pdf19.8%—

Reasoning DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 50.2 (#36), Qwen Max: 25.1 (#151)

Reasoning benchmarks
BenchmarkDeepSeek V4.1 FlashQwen Max
LMArena Hard Prompts14831269
NYT Connections (extended)89.6%—
CritPt14.3%—
Mystery Game Puzzles43%—
DTBench89.9%—
LMCA47%—
Surface Evolver Bench46.3%—
Epoch Capabilities Index154.9—

Math DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 66.7 (#25), Qwen Max: 22.3 (#276)

Math benchmarks
BenchmarkDeepSeek V4.1 FlashQwen Max
OTIS Mock AIME 2024-202598.3%16.1%
LMArena Math14771275
FrontierMath (Tiers 1-3)67.4%—
FrontierMath Tier 426.8%—
ProofBench54%—
MATH Level 5—67.2%
FrontierMath (Feb 2025 set)—1%

Knowledge DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 57.9 (#38), Qwen Max: 30.3 (#228)

Knowledge benchmarks
BenchmarkDeepSeek V4.1 FlashQwen Max
GPQA Diamond89.8%56.1%
LMArena Expert15061248

Multimodal Not comparable

DeepSeek V4.1 Flash: 39.1 (#61), Qwen Max: —

Multimodal benchmarks
BenchmarkDeepSeek V4.1 FlashQwen Max
LMArena Vision1277—
Furniture Assembly34.2%—

Multilingual DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 55.0 (#35), Qwen Max: 41.8 (#202)

Multilingual benchmarks
BenchmarkDeepSeek V4.1 FlashQwen Max
LMArena Non-English14481263
LMArena Chinese14971254
LMArena French14521330
LMArena German14841254
LMArena Japanese14121205
LMArena Korean14521142
LMArena Russian14711274
LMArena Spanish14591290

Instruction Following DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 77.3 (#26), Qwen Max: 66.5 (#208)

Instruction Following benchmarks
BenchmarkDeepSeek V4.1 FlashQwen Max
LMArena Instruction Following14741262

Long Context DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 45.2 (#47), Qwen Max: 39.4 (#180)

Long Context benchmarks
BenchmarkDeepSeek V4.1 FlashQwen Max
LMArena Longer Query14751288
Fiction.LiveBench—66.7%

Writing & Preference DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 65.4 (#48), Qwen Max: 47.8 (#205)

Writing & Preference benchmarks
BenchmarkDeepSeek V4.1 FlashQwen Max
LMArena Text14621282
LMArena Creative Writing14351248
LMArena Multi-Turn14571277
EQ-Bench Creative Writing1540—

Frequently asked questions

Is DeepSeek V4.1 Flash better than Qwen Max?

DeepSeek V4.1 Flash is the stronger model overall, scoring 52.8 to 34.7 on the Noometry Index.

Which is cheaper, DeepSeek V4.1 Flash or Qwen Max?

DeepSeek V4.1 Flash is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; Qwen Max lists at $1.60 and $6.40.

Is DeepSeek V4.1 Flash or Qwen Max better for coding?

DeepSeek V4.1 Flash scores higher on coding benchmarks: 52.9 versus 30.7 in the Noometry coding category.

Which has the bigger context window?

DeepSeek V4.1 Flash does, with 1M tokens against 33K.

How many benchmarks do DeepSeek V4.1 Flash and Qwen Max share?

19 benchmarks have published results for both models. DeepSeek V4.1 Flash has 37 scored results on Noometry and Qwen Max has 23.

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