Model comparison

DeepSeek-V3.1 vs Qwen1.5-7B

DeepSeek-V3.1 is the stronger model overall, scoring 42.2 to 30.8 on the Noometry Index.

Last verified . 12 shared benchmarks.

DeepSeek-V3.1 DeepSeek

42.2

Rank #106 Confirmed

Qwen1.5-7B Alibaba (Qwen)

30.8

Rank #270 Confirmed

Summary

  • They share 12 benchmarks with published results for both. DeepSeek-V3.1 scores higher in 8 categories and Qwen1.5-7B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where DeepSeek-V3.1 leads 60.5 to 29.8.

Side by side

DeepSeek-V3.1 and Qwen1.5-7B specifications
DeepSeek-V3.1Qwen1.5-7B
ProviderDeepSeekAlibaba (Qwen)
Noometry Index42.230.8
Released2025-08-212024-02-04
WeightsOpenOpen
Context window164K—
Max output8K—
Input $ / M tokens$0.25—
Output $ / M tokens$0.95—
Results tracked2713

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding DeepSeek-V3.1 leads

DeepSeek-V3.1: 39.8 (#140), Qwen1.5-7B: 31.6 (#271)

Coding benchmarks
BenchmarkDeepSeek-V3.1Qwen1.5-7B
LMArena Coding14171107
WeirdML38.4%—

Reasoning DeepSeek-V3.1 leads

DeepSeek-V3.1: 27.3 (#109), Qwen1.5-7B: 19.5 (#237)

Reasoning benchmarks
BenchmarkDeepSeek-V3.1Qwen1.5-7B
LMArena Hard Prompts14171066
SimpleBench40%—
Kagi LLM Benchmark53.2%—
DTBench82.7%—
LMCA24.3%—
Epoch Capabilities Index139.92—
ForecastBench58—

Math DeepSeek-V3.1 leads

DeepSeek-V3.1: 36.1 (#125), Qwen1.5-7B: 29.0 (#222)

Math benchmarks
BenchmarkDeepSeek-V3.1Qwen1.5-7B
LMArena Math14201080

Knowledge DeepSeek-V3.1 leads

DeepSeek-V3.1: 43.0 (#86), Qwen1.5-7B: 28.2 (#239)

Knowledge benchmarks
BenchmarkDeepSeek-V3.1Qwen1.5-7B
LMArena Expert14031055
Vectara Hallucination Rate5.5%—
MMLU—62.6%

Multilingual DeepSeek-V3.1 leads

DeepSeek-V3.1: 51.8 (#100), Qwen1.5-7B: 28.6 (#266)

Multilingual benchmarks
BenchmarkDeepSeek-V3.1Qwen1.5-7B
LMArena Non-English14001058
LMArena Chinese14701140
LMArena Russian14051006
LMArena French1447—
LMArena German1412—
LMArena Japanese1374—
LMArena Korean1337—
LMArena Spanish1429—

Instruction Following DeepSeek-V3.1 leads

DeepSeek-V3.1: 74.1 (#105), Qwen1.5-7B: 54.4 (#276)

Instruction Following benchmarks
BenchmarkDeepSeek-V3.1Qwen1.5-7B
LMArena Instruction Following14001058

Long Context DeepSeek-V3.1 leads

DeepSeek-V3.1: 36.3 (#227), Qwen1.5-7B: 33.1 (#261)

Long Context benchmarks
BenchmarkDeepSeek-V3.1Qwen1.5-7B
LMArena Longer Query14221090
Fiction.LiveBench52.8%—

Writing & Preference DeepSeek-V3.1 leads

DeepSeek-V3.1: 60.5 (#93), Qwen1.5-7B: 29.8 (#288)

Writing & Preference benchmarks
BenchmarkDeepSeek-V3.1Qwen1.5-7B
LMArena Text14201084
LMArena Creative Writing14011035
LMArena Multi-Turn14081061
EQ-Bench Creative Writing1436—

Frequently asked questions

Is DeepSeek-V3.1 better than Qwen1.5-7B?

DeepSeek-V3.1 is the stronger model overall, scoring 42.2 to 30.8 on the Noometry Index.

Is DeepSeek-V3.1 or Qwen1.5-7B better for coding?

DeepSeek-V3.1 scores higher on coding benchmarks: 39.8 versus 31.6 in the Noometry coding category.

How many benchmarks do DeepSeek-V3.1 and Qwen1.5-7B share?

12 benchmarks have published results for both models. DeepSeek-V3.1 has 27 scored results on Noometry and Qwen1.5-7B has 13.

Related comparisons

Go deeper