Model comparison

gpt-oss-120b vs Qwen3 Coder Next

gpt-oss-120b is the stronger model overall, scoring 36.3 to 34.3 on the Noometry Index.

Last verified . 3 shared benchmarks.

gpt-oss-120b OpenAI

36.3

Rank #217 Confirmed

Qwen3 Coder Next Alibaba (Qwen)

34.3

Rank #232 Reported

Summary

  • They share 3 benchmarks with published results for both. gpt-oss-120b scores higher in 0 categories and Qwen3 Coder Next in 2 categories; 2 gaps are clear of the uncertainty.
  • The biggest single-benchmark swing is WeirdML: 48.2% for gpt-oss-120b and 34.4% for Qwen3 Coder Next.
  • gpt-oss-120b is cheaper at $0.037 / $0.17 per million input/output tokens, against $0.12 / $0.80 for Qwen3 Coder Next.
  • Qwen3 Coder Next accepts more context: 262K tokens versus 131K.

Side by side

gpt-oss-120b and Qwen3 Coder Next specifications
gpt-oss-120bQwen3 Coder Next
ProviderOpenAIAlibaba (Qwen)
Noometry Index36.334.3
Released2025-08-052026-02-02
WeightsOpenOpen
Context window131K262K
Max output41K66K
Input $ / M tokens$0.037$0.12
Output $ / M tokens$0.17$0.80
Results tracked483

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Category by category

Coding Qwen3 Coder Next leads

gpt-oss-120b: 33.5 (#256), Qwen3 Coder Next: 36.3 (#210)

Coding benchmarks
Benchmarkgpt-oss-120bQwen3 Coder Next
SciCode36%32.3%
WeirdML48.2%34.4%
SWE-bench Verified (bash only)26%—
Aider Polyglot41.8%—
LMArena Coding1380—
ALE-Bench575.62—
AlgoTune1.41—

Agentic & Tool Use Not comparable

gpt-oss-120b: 12.2 (#153), Qwen3 Coder Next: —

Agentic & Tool Use benchmarks
Benchmarkgpt-oss-120bQwen3 Coder Next
Terminal-Bench18.7%—
APEX-Agents4.4%—
METR Time Horizons56.6%—
Vending-Bench 2-21.53—

Reasoning Qwen3 Coder Next leads

gpt-oss-120b: 20.0 (#245), Qwen3 Coder Next: 22.4 (#196)

Reasoning benchmarks
Benchmarkgpt-oss-120bQwen3 Coder Next
CritPt1.1%0%
SimpleBench22.1%—
Kagi LLM Benchmark58.6%—
Chess Puzzles20%—
LMArena Hard Prompts1364—
Mystery Game Puzzles2%—
DTBench76.3%—
LMCA22.1%—
Surface Evolver Bench25%—
Epoch Capabilities Index139.93—

Math Not comparable

gpt-oss-120b: 52.5 (#50), Qwen3 Coder Next: —

Math benchmarks
Benchmarkgpt-oss-120bQwen3 Coder Next
OTIS Mock AIME 2024-202588.9%—
Omni-MATH68.8%—
LMArena Math1389—

Knowledge Not comparable

gpt-oss-120b: 42.4 (#96), Qwen3 Coder Next: —

Knowledge benchmarks
Benchmarkgpt-oss-120bQwen3 Coder Next
GPQA Diamond75.8%—
MMLU-Pro79.5%—
Confabulations15.7%—
Vectara Hallucination Rate14.2%—
GPQA (HELM)68.4%—
LMArena Expert1356—

Multilingual Not comparable

gpt-oss-120b: 48.0 (#147), Qwen3 Coder Next: —

Multilingual benchmarks
Benchmarkgpt-oss-120bQwen3 Coder Next
LMArena Non-English1351—
LMArena Chinese1385—
LMArena French1369—
LMArena German1353—
LMArena Japanese1331—
LMArena Korean1282—
LMArena Russian1343—
LMArena Spanish1389—

Instruction Following Not comparable

gpt-oss-120b: 69.3 (#173), Qwen3 Coder Next: —

Instruction Following benchmarks
Benchmarkgpt-oss-120bQwen3 Coder Next
IFEval83.6%—
LMArena Instruction Following1318—

Long Context Not comparable

gpt-oss-120b: 31.4 (#278), Qwen3 Coder Next: —

Long Context benchmarks
Benchmarkgpt-oss-120bQwen3 Coder Next
Fiction.LiveBench44.4%—
LMArena Longer Query1319—

Writing & Preference Not comparable

gpt-oss-120b: 46.5 (#217), Qwen3 Coder Next: —

Writing & Preference benchmarks
Benchmarkgpt-oss-120bQwen3 Coder Next
LMArena Text1365—
LMArena Creative Writing1275—
Short-Story Creative Writing77.1%—
EQ-Bench Creative Writing961—
WildBench84.5%—
LMArena Multi-Turn1340—

Frequently asked questions

Is gpt-oss-120b better than Qwen3 Coder Next?

gpt-oss-120b is the stronger model overall, scoring 36.3 to 34.3 on the Noometry Index.

Which is cheaper, gpt-oss-120b or Qwen3 Coder Next?

gpt-oss-120b is cheaper. It lists at $0.037 per million input tokens and $0.17 per million output tokens; Qwen3 Coder Next lists at $0.12 and $0.80.

Is gpt-oss-120b or Qwen3 Coder Next better for coding?

Qwen3 Coder Next scores higher on coding benchmarks: 36.3 versus 33.5 in the Noometry coding category.

Which has the bigger context window?

Qwen3 Coder Next does, with 262K tokens against 131K.

How many benchmarks do gpt-oss-120b and Qwen3 Coder Next share?

3 benchmarks have published results for both models. gpt-oss-120b has 48 scored results on Noometry and Qwen3 Coder Next has 3.

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