StepFunAI company based in China · 9 registered modelsStepFun models (9)Step 5 Preview — 9/2026 · StepFun agentic flagship previewStep 3.7 Flash — 5/2026 · StepFun vision agent modelStep 3.5 Flash — 2/2026 · StepFun MoE model for reasoning and agentsStep-Audio R1.1 — 1/2026 · StepFun real-time voice reasoning modelSTEP3-VL-10B — 1/2026 · StepFun 10B vision-language modelNextStep-1.1 — 12/2025 · StepFun text-to-image modelGELab-Zero-4B-preview — 11/2025 · StepFun local GUI agent previewStep1X-Edit-v1p2 — 11/2025 · StepFun reasoning image-editing modelStep-Audio-EditX — 10/2025 · StepFun audio editing model← All AI companies