Model comparison

DeepSeek-V3.1 vs Qwen1.5-14B

DeepSeek-V3.1 is the stronger model overall, scoring 42.8 to 32.7 on the Noometry Index.

Last verified . 16 shared benchmarks.

DeepSeek-V3.1 DeepSeek

42.8

Rank #108 Confirmed

Qwen1.5-14B Alibaba (Qwen)

32.7

Rank #253 Confirmed

Summary

  • They share 16 benchmarks with published results for both. DeepSeek-V3.1 scores higher in 8 categories and Qwen1.5-14B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where DeepSeek-V3.1 leads 60.3 to 33.6.

Side by side

DeepSeek-V3.1 and Qwen1.5-14B specifications
DeepSeek-V3.1Qwen1.5-14B
ProviderDeepSeekAlibaba (Qwen)
Noometry Index42.832.7
Released2025-08-212024-02-04
WeightsOpenOpen
Context window164K—
Max output8K—
Input $ / M tokens$0.25—
Output $ / M tokens$0.95—
Results tracked2717

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Category by category

Coding DeepSeek-V3.1 leads

DeepSeek-V3.1: 40.3 (#144), Qwen1.5-14B: 33.1 (#263)

Coding benchmarks
BenchmarkDeepSeek-V3.1Qwen1.5-14B
LMArena Coding14171138
WeirdML38.4%—

Reasoning DeepSeek-V3.1 leads

DeepSeek-V3.1: 27.9 (#110), Qwen1.5-14B: 21.4 (#223)

Reasoning benchmarks
BenchmarkDeepSeek-V3.1Qwen1.5-14B
LMArena Hard Prompts14171113
SimpleBench40%—
Kagi LLM Benchmark53.2%—
DTBench82.7%—
LMCA24.3%—
Epoch Capabilities Index139.92—
ForecastBench58—

Math DeepSeek-V3.1 leads

DeepSeek-V3.1: 38.9 (#122), Qwen1.5-14B: 32.4 (#215)

Math benchmarks
BenchmarkDeepSeek-V3.1Qwen1.5-14B
LMArena Math14201125

Knowledge DeepSeek-V3.1 leads

DeepSeek-V3.1: 43.7 (#90), Qwen1.5-14B: 29.8 (#232)

Knowledge benchmarks
BenchmarkDeepSeek-V3.1Qwen1.5-14B
LMArena Expert14051094
Vectara Hallucination Rate5.5%—
MMLU—68.6%

Multilingual DeepSeek-V3.1 leads

DeepSeek-V3.1: 51.6 (#106), Qwen1.5-14B: 30.7 (#262)

Multilingual benchmarks
BenchmarkDeepSeek-V3.1Qwen1.5-14B
LMArena Non-English14001095
LMArena Chinese14691147
LMArena French14471116
LMArena German14111043
LMArena Japanese13781019
LMArena Russian14051046
LMArena Spanish14311085
LMArena Korean1337—

Instruction Following DeepSeek-V3.1 leads

DeepSeek-V3.1: 73.9 (#110), Qwen1.5-14B: 56.8 (#271)

Instruction Following benchmarks
BenchmarkDeepSeek-V3.1Qwen1.5-14B
LMArena Instruction Following14001102

Long Context DeepSeek-V3.1 leads

DeepSeek-V3.1: 36.3 (#232), Qwen1.5-14B: 33.7 (#257)

Long Context benchmarks
BenchmarkDeepSeek-V3.1Qwen1.5-14B
LMArena Longer Query14221113
Fiction.LiveBench52.8%—

Writing & Preference DeepSeek-V3.1 leads

DeepSeek-V3.1: 60.3 (#98), Qwen1.5-14B: 33.6 (#276)

Writing & Preference benchmarks
BenchmarkDeepSeek-V3.1Qwen1.5-14B
LMArena Text14201128
LMArena Creative Writing14011091
LMArena Multi-Turn14081110
EQ-Bench Creative Writing1436—

Frequently asked questions

Is DeepSeek-V3.1 better than Qwen1.5-14B?

DeepSeek-V3.1 is the stronger model overall, scoring 42.8 to 32.7 on the Noometry Index.

Is DeepSeek-V3.1 or Qwen1.5-14B better for coding?

DeepSeek-V3.1 scores higher on coding benchmarks: 40.3 versus 33.1 in the Noometry coding category.

How many benchmarks do DeepSeek-V3.1 and Qwen1.5-14B share?

16 benchmarks have published results for both models. DeepSeek-V3.1 has 27 scored results on Noometry and Qwen1.5-14B has 17.

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