BenchLeader

Gemini 3.8 Flash vs Qwen3 6

Verdict
  • Gemini 3.8 Flash (medium) and Qwen3 6 (max) are level on quality (63.6 vs 63.3).
  • Gemini 3.8 Flash (medium) is stronger in coding, composite, knowledge, long context, multimodal.
  • Qwen3 6 (max) is stronger in agents & tools, human preference, instruction following, maths, reasoning.
  • Gemini 3.8 Flash (medium) is 2.0× cheaper ($1.50 vs $2.96 per 1M blended).
  • Gemini 3.8 Flash (medium) streams 1.5× faster (90 vs 59 tokens per second).
MetricGemini 3.8 Flash (medium)Qwen3 6 (max)
BenchLeader Index63.663.3
Coding score63.858.2
Composite score79.664.9
Knowledge score77.764.0
Long context score68.666.9
Multimodal score68.8
Agents & tools score72.0
Human preference score65.9
Instruction following score74.2
Maths score64.2
Reasoning score63.2
Blended price $/M$1.50$2.96
Output speed90 tok/s59 tok/s
Time to first answer11.7 s38.5 s
Context window1M246k
GPQA Diamond87.4%
OTIS Mock AIME91.1%
SWE-bench Verified (Epoch)76.7%
SimpleQA Verified52.0%
SimpleBench63.0%
SciCode54.4%
Epoch Capabilities Index149.3
LMArena Text1460
LMArena Hard Prompts1482
LMArena Coding1509
LMArena WebDev1479
AA Intelligence Index4028.4
IFBench76.6%
AA-LCR84.0%80.7%
MMMU-Pro84.2%
AA-Omniscience28.69.2
Terminal-Bench Hard43.9%
GPQA Diamond (AA)93.5%88.8%
Humanity's Last Exam (AA)42.1%30.8%
SciCode (AA)55.1%
τ²-Bench Telecom (AA)95.9%
CorpFin66.5%
SWE-bench (Vals)72.8%

Data as of 2026-09-10. Best configuration of each model; every score links to its source on the model pages.

Gemini 3.8 Flash vs Qwen3 6: questions

Is Gemini 3.8 Flash better than Qwen3 6?
Gemini 3.8 Flash (medium) and Qwen3 6 (max) are level on quality (63.6 vs 63.3). The BenchLeader Index combines every independent quality benchmark; Gemini 3.8 Flash (medium) is ahead overall as of 2026-09-10, but check the category scores for your use.
Is Gemini 3.8 Flash better than Qwen3 6 for coding?
Gemini 3.8 Flash scores higher in coding (64 vs 58 on the category index, where 50 is average).
Which is cheaper, Gemini 3.8 Flash or Qwen3 6?
Gemini 3.8 Flash is cheaper: $1.50 against $2.96 per million tokens, blended at three input tokens per output token.
Which is faster, Gemini 3.8 Flash or Qwen3 6?
Gemini 3.8 Flash streams faster: 90 against 59 output tokens per second.
Which has the larger context window?
Gemini 3.8 Flash accepts more context: 1M against 246k tokens.