Model comparison

gpt-oss-20b vs Qwen-14B

gpt-oss-20b is the stronger model overall, scoring 32.5 to 31.4 on the Noometry Index.

Last verified . 11 shared benchmarks.

gpt-oss-20b OpenAI

32.5

Rank #255 Confirmed

Qwen-14B Alibaba (Qwen)

31.4

Rank #275 Confirmed

Summary

  • They share 11 benchmarks with published results for both. gpt-oss-20b scores higher in 6 categories and Qwen-14B in 1 category; 6 gaps are clear of the uncertainty.
  • The widest gap is in multilingual, where gpt-oss-20b leads 42.2 to 27.5.

Side by side

gpt-oss-20b and Qwen-14B specifications
gpt-oss-20bQwen-14B
ProviderOpenAIAlibaba (Qwen)
Noometry Index32.531.4
Released2025-08-052023-09-24
WeightsOpenOpen
Context window131K—
Max output16K—
Input $ / M tokens$0.018—
Output $ / M tokens$0.09—
Results tracked3418

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Category by category

Coding gpt-oss-20b leads

gpt-oss-20b: 37.6 (#192), Qwen-14B: 31.2 (#288)

Coding benchmarks
Benchmarkgpt-oss-20bQwen-14B
LMArena Coding13061071
SciCode34.4%—
WeirdML40.9%—
ALE-Bench566.05—

Agentic & Tool Use Not comparable

gpt-oss-20b: 9.3 (#154), Qwen-14B: —

Agentic & Tool Use benchmarks
Benchmarkgpt-oss-20bQwen-14B
Terminal-Bench3.4%—

Reasoning Too close to call

gpt-oss-20b: 19.3 (#261), Qwen-14B: 19.6 (#257)

Reasoning benchmarks
Benchmarkgpt-oss-20bQwen-14B
LMArena Hard Prompts12741027
Epoch Capabilities Index137.82113.03
Kagi LLM Benchmark53.2%—
CritPt1.4%—
Chess Puzzles4%—
DTBench68%—
LMCA14.5%—
BIG-Bench Hard—55%
LAMBADA—71.1%
PIQA—79.9%

Math gpt-oss-20b leads

gpt-oss-20b: 39.4 (#103), Qwen-14B: 31.2 (#227)

Math benchmarks
Benchmarkgpt-oss-20bQwen-14B
LMArena Math13171068
OTIS Mock AIME 2024-202565.3%—
Omni-MATH56.5%—
GSM8K—61.3%

Knowledge Not comparable

gpt-oss-20b: 34.6 (#195), Qwen-14B: —

Knowledge benchmarks
Benchmarkgpt-oss-20bQwen-14B
GPQA Diamond60.8%—
MMLU-Pro74%—
GPQA (HELM)59.4%—
LMArena Expert1258—
ARC (AI2) Challenge—84.4%
BoolQ—86.2%
MMLU—66.3%

Multilingual gpt-oss-20b leads

gpt-oss-20b: 42.2 (#197), Qwen-14B: 27.5 (#275)

Multilingual benchmarks
Benchmarkgpt-oss-20bQwen-14B
LMArena Non-English12681041
LMArena Chinese13141077
LMArena German1255—
LMArena Japanese1244—
LMArena Korean1236—
LMArena Russian1278—
LMArena Spanish1267—

Instruction Following gpt-oss-20b leads

gpt-oss-20b: 61.8 (#240), Qwen-14B: 52.4 (#289)

Instruction Following benchmarks
Benchmarkgpt-oss-20bQwen-14B
LMArena Instruction Following12361031
IFEval73.2%—

Long Context gpt-oss-20b leads

gpt-oss-20b: 37.9 (#209), Qwen-14B: 31.3 (#280)

Long Context benchmarks
Benchmarkgpt-oss-20bQwen-14B
LMArena Longer Query12501028

Writing & Preference gpt-oss-20b leads

gpt-oss-20b: 35.5 (#265), Qwen-14B: 27.6 (#299)

Writing & Preference benchmarks
Benchmarkgpt-oss-20bQwen-14B
LMArena Text12871051
LMArena Creative Writing12011028
LMArena Multi-Turn12681022
EQ-Bench Creative Writing666—
WildBench73.7%—

Frequently asked questions

Is gpt-oss-20b better than Qwen-14B?

gpt-oss-20b is the stronger model overall, scoring 32.5 to 31.4 on the Noometry Index.

Is gpt-oss-20b or Qwen-14B better for coding?

gpt-oss-20b scores higher on coding benchmarks: 37.6 versus 31.2 in the Noometry coding category.

How many benchmarks do gpt-oss-20b and Qwen-14B share?

11 benchmarks have published results for both models. gpt-oss-20b has 34 scored results on Noometry and Qwen-14B has 18.

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