BenchLeader

o3 vs Qwen3 6

Verdict
  • Qwen3 6 (max) leads on quality: 63.3 vs 61.6.
  • o3 is stronger in coding, maths, multimodal.
  • Qwen3 6 (max) is stronger in agents & tools, composite, human preference, instruction following, knowledge, long context, reasoning.
  • Qwen3 6 (max) is 1.2× cheaper ($2.96 vs $3.50 per 1M blended).
  • o3 streams 1.8× faster (107 vs 60 tokens per second).
Metrico3Qwen3 6 (max)
BenchLeader Index61.663.3
Agents & tools score70.372.0
Coding score62.058.1
Composite score54.564.9
Human preference score62.365.8
Instruction following score65.074.2
Knowledge score58.064.0
Long context score63.866.9
Maths score78.664.2
Multimodal score57.9
Reasoning score61.563.1
Blended price $/M$3.50$2.96
Output speed107 tok/s60 tok/s
Time to first answer6.3 s36.6 s
Context window200k246k
GPQA Diamond87.4%
OTIS Mock AIME91.1%
SWE-bench Verified (Epoch)76.7%
SimpleQA Verified52.0%
SimpleBench63.0%
Epoch Capabilities Index146.9149.3
LMArena Text14321460
LMArena Hard Prompts14411481
LMArena Coding14601509
LMArena WebDev1479
LMArena Vision1214
AA Intelligence Index20.228.4
IFBench71.4%76.6%
AA-LCR74.7%80.7%
MMMU-Pro70.1%
AA-Omniscience-15.69.2
Terminal-Bench Hard37.1%43.9%
GPQA Diamond (AA)82.7%88.8%
Humanity's Last Exam (AA)20.1%30.8%
τ²-Bench Telecom (AA)80.7%95.9%
CorpFin66.5%
SWE-bench (Vals)72.8%
PRBench Finance47.7%
PRBench Legal48.6%
MMMU (validation)82.9%
MMMU-Pro (official)76.4%
Kagi LLM Benchmark67.6%
IFEval (HELM)86.9%
Omni-MATH (HELM)71.4%
WildBench (HELM)86.1%
MMLU-Pro (HELM)85.9%
GPQA Diamond (HELM)75.3%
HELM Capabilities mean81.1%
Aider Polyglot81.3%
SWE-bench Verified (bash only)58.4%
SWE-bench Verified (any scaffold)58.4%
BFCL Overall63.0%

Data as of 2026-09-12. Best configuration of each model; every score links to its source on the model pages.

o3 vs Qwen3 6: questions

Is o3 better than Qwen3 6?
Qwen3 6 (max) leads on quality: 63.3 vs 61.6. The BenchLeader Index combines every independent quality benchmark; Qwen3 6 (max) is ahead overall as of 2026-09-12, but check the category scores for your use.
Is o3 better than Qwen3 6 for coding?
o3 scores higher in coding (62 vs 58 on the category index, where 50 is average).
Is o3 better than Qwen3 6 for agentic tasks?
Qwen3 6 scores higher in agentic tasks (72 vs 70 on the category index, where 50 is average).
Which is cheaper, o3 or Qwen3 6?
Qwen3 6 is cheaper: $2.96 against $3.50 per million tokens, blended at three input tokens per output token.
Which is faster, o3 or Qwen3 6?
o3 streams faster: 107 against 60 output tokens per second.
Which has the larger context window?
Qwen3 6 accepts more context: 246k against 200k tokens.