Model comparison

gpt-oss-120b vs Qwen3 235B-A22B

Qwen3 235B-A22B is the stronger model overall, scoring 43.5 to 36.3 on the Noometry Index. gpt-oss-120b costs 17× less per token, which makes it the better buy when Qwen3 235B-A22B's lead doesn't matter for your workload.

Last verified . 41 shared benchmarks.

gpt-oss-120b OpenAI

36.3

Rank #217 Confirmed

Qwen3 235B-A22B Alibaba (Qwen)

43.5

Rank #91 Confirmed

Summary

  • They share 41 benchmarks with published results for both. gpt-oss-120b scores higher in 2 categories and Qwen3 235B-A22B in 7 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in agentic & tool use, where Qwen3 235B-A22B leads 33.9 to 12.2.
  • The biggest single-benchmark swing is Fiction.LiveBench: 44.4% for gpt-oss-120b and 75% for Qwen3 235B-A22B.
  • gpt-oss-120b is cheaper at $0.037 / $0.17 per million input/output tokens, against $0.70 / $2.80 for Qwen3 235B-A22B.

Side by side

gpt-oss-120b and Qwen3 235B-A22B specifications
gpt-oss-120bQwen3 235B-A22B
ProviderOpenAIAlibaba (Qwen)
Noometry Index36.343.5
Released2025-08-052025-04
WeightsOpenOpen
Context window131K131K
Max output41K16K
Input $ / M tokens$0.037$0.70
Output $ / M tokens$0.17$2.80
Results tracked4849

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Category by category

Coding Qwen3 235B-A22B leads

gpt-oss-120b: 33.5 (#256), Qwen3 235B-A22B: 44.3 (#75)

Coding benchmarks
Benchmarkgpt-oss-120bQwen3 235B-A22B
Aider Polyglot41.8%59.6%
SciCode36%42.4%
WeirdML48.2%41%
LMArena Coding13801445
SWE-bench Verified (bash only)26%—
ALE-Bench575.62—
AlgoTune1.41—

Agentic & Tool Use Qwen3 235B-A22B leads

gpt-oss-120b: 12.2 (#153), Qwen3 235B-A22B: 33.9 (#51)

Agentic & Tool Use benchmarks
Benchmarkgpt-oss-120bQwen3 235B-A22B
Vending-Bench 2-21.53-11.34
Terminal-Bench18.7%—
APEX-Agents4.4%—
Berkeley Function Calling Leaderboard—52.1%
METR Time Horizons56.6%—

Reasoning gpt-oss-120b leads

gpt-oss-120b: 20.0 (#245), Qwen3 235B-A22B: 15.7 (#311)

Reasoning benchmarks
Benchmarkgpt-oss-120bQwen3 235B-A22B
SimpleBench22.1%31%
Kagi LLM Benchmark58.6%69.4%
CritPt1.1%0%
Chess Puzzles20%12%
LMArena Hard Prompts13641433
Mystery Game Puzzles2%9%
DTBench76.3%80.3%
LMCA22.1%29.3%
Epoch Capabilities Index139.93143.85
ARC-AGI-2—1.3%
ARC-AGI-1—11%
Surface Evolver Bench25%—
ForecastBench—59.7

Math gpt-oss-120b leads

gpt-oss-120b: 52.5 (#50), Qwen3 235B-A22B: 50.4 (#57)

Math benchmarks
Benchmarkgpt-oss-120bQwen3 235B-A22B
OTIS Mock AIME 2024-202588.9%86.7%
Omni-MATH68.8%71.8%
LMArena Math13891432
MATH Level 5—68.9%
FrontierMath (Feb 2025 set)—8.5%
FrontierMath Tier 4 (v1)—0%

Knowledge Qwen3 235B-A22B leads

gpt-oss-120b: 42.4 (#96), Qwen3 235B-A22B: 49.6 (#73)

Knowledge benchmarks
Benchmarkgpt-oss-120bQwen3 235B-A22B
GPQA Diamond75.8%80.1%
MMLU-Pro79.5%84.4%
Confabulations15.7%15.6%
Vectara Hallucination Rate14.2%9.3%
GPQA (HELM)68.4%72.7%
LMArena Expert13561463
SimpleQA Verified—40.4%

Multilingual Qwen3 235B-A22B leads

gpt-oss-120b: 48.0 (#147), Qwen3 235B-A22B: 52.3 (#89)

Multilingual benchmarks
Benchmarkgpt-oss-120bQwen3 235B-A22B
LMArena Non-English13511409
LMArena Chinese13851481
LMArena French13691445
LMArena German13531433
LMArena Japanese13311399
LMArena Korean12821391
LMArena Russian13431411
LMArena Spanish13891430

Instruction Following Qwen3 235B-A22B leads

gpt-oss-120b: 69.3 (#173), Qwen3 235B-A22B: 72.6 (#136)

Instruction Following benchmarks
Benchmarkgpt-oss-120bQwen3 235B-A22B
IFEval83.6%83.5%
LMArena Instruction Following13181408

Long Context Qwen3 235B-A22B leads

gpt-oss-120b: 31.4 (#278), Qwen3 235B-A22B: 46.1 (#26)

Long Context benchmarks
Benchmarkgpt-oss-120bQwen3 235B-A22B
Fiction.LiveBench44.4%75%
LMArena Longer Query13191426

Writing & Preference Qwen3 235B-A22B leads

gpt-oss-120b: 46.5 (#217), Qwen3 235B-A22B: 59.6 (#108)

Writing & Preference benchmarks
Benchmarkgpt-oss-120bQwen3 235B-A22B
LMArena Text13651419
LMArena Creative Writing12751384
Short-Story Creative Writing77.1%83%
EQ-Bench Creative Writing9611366
WildBench84.5%86.6%
LMArena Multi-Turn13401432

Frequently asked questions

Is gpt-oss-120b better than Qwen3 235B-A22B?

Qwen3 235B-A22B is the stronger model overall, scoring 43.5 to 36.3 on the Noometry Index. gpt-oss-120b costs 17× less per token, which makes it the better buy when Qwen3 235B-A22B's lead doesn't matter for your workload.

Which is cheaper, gpt-oss-120b or Qwen3 235B-A22B?

gpt-oss-120b is cheaper. It lists at $0.037 per million input tokens and $0.17 per million output tokens; Qwen3 235B-A22B lists at $0.70 and $2.80.

Is gpt-oss-120b or Qwen3 235B-A22B better for coding?

Qwen3 235B-A22B scores higher on coding benchmarks: 44.3 versus 33.5 in the Noometry coding category.

Which has the bigger context window?

Both accept 131K tokens.

How many benchmarks do gpt-oss-120b and Qwen3 235B-A22B share?

41 benchmarks have published results for both models. gpt-oss-120b has 48 scored results on Noometry and Qwen3 235B-A22B has 49.

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