Pyyan / Compare / Step 3.5 Flash vs Qwen3.8-Flash-Next

Step 3.5 Flash vs Qwen3.8-Flash-Next

2 of 5

Open-Weight Models · verified 2 Sept 2026

Step 3.5 FlashStepFuncurrent
Qwen3.8-Flash-NextAlibabacurrent
3 slots left
SpecificationStep 3.5 FlashQwen3.8-Flash-Next
SummaryMultimodal-focused Chinese model.The most downloaded thing on Hugging Face right now, and a stated Qwen4 preview.
Context—262K native, ~1M extended
Input ($/Mtok)—$0.15
Output ($/Mtok)—$0.47
LicenceOpen weightsOpen weights
Max output—32K
Parameters—125B total, 6B active
Released—26 Aug 2026
Model ID—Qwen/Qwen3.8-Flash-Next
CategoryOpen-Weight ModelsOpen-Weight Models
OfficialStepFun ↗—

Highlighted rows are where these differ.

Step 3.5 Flash

Multimodal-focused Chinese model.

Best for multimodal.

Full spec sheet →

Qwen3.8-Flash-Next

  • 125B total parameters with only 6B active per token
  • Alibaba describes it as a preview of the Qwen4 architecture
  • Top of the Hugging Face trending list, with a GGUF build close behind it

Best for open weights at speed.

Full spec sheet →