Repositories list

• PaCoRe

  Public

  stepfun-ai/PaCoRe’s past year of commit activity
  PaCoRe: Learning to Scale Test-Time Compute with Parallel Coordinated Reasoning

  Python

  •8•302•0•0•Updated Feb 2, 2026Feb 2, 2026

• Step-3.5-Flash

  Public

  stepfun-ai/Step-3.5-Flash’s past year of commit activity
  Fast, Sharp & Reliable Agentic Intelligence

  C++

  •

  Apache License 2.0

  •7•374•2•0•Updated Feb 2, 2026Feb 2, 2026

• StepDeepResearch

  Public

  stepfun-ai/StepDeepResearch’s past year of commit activity
  Step-DeepResearch

  Python

  •

  Apache License 2.0

  •20•487•3•0•Updated Feb 2, 2026Feb 2, 2026

• vllm

  Public

  stepfun-ai/vllm’s past year of commit activity
  A high-throughput and memory-efficient inference and serving engine for LLMs

  Python

  •

  Apache License 2.0

  •13k•41•0•1•Updated Feb 2, 2026Feb 2, 2026

• Step-Audio-EditX

  Public

  stepfun-ai/Step-Audio-EditX’s past year of commit activity
  A powerful 3B-parameter, LLM-based Reinforcement Learning audio edit model excels at editing emotion, speaking style, and paralinguistics, and features robust z…

  text-to-speechreinforcement-learningaudio-editing+ 8ttscross-lingualvoice-cloningparalinguisticsstyle-controlspeaking-stylezero-shot-tts+ 1

  Python

  •

  Apache License 2.0

  •58•860•30•3•Updated Jan 31, 2026Jan 31, 2026

• Step-Audio

  Public

  stepfun-ai/Step-Audio’s past year of commit activity
  Python

  •

  Apache License 2.0

  •373•4.6k•65•3•Updated Jan 30, 2026Jan 30, 2026

• StepMesh

  Public

  stepfun-ai/StepMesh’s past year of commit activity
  C++

  •

  Apache License 2.0

  •36•342•10•1•Updated Jan 28, 2026Jan 28, 2026

• gelab-zero

  Public

  stepfun-ai/gelab-zero’s past year of commit activity
  STEP-GUI: The top GUI agent solution in the galaxy. Developed by the StepFun-GELab team and powered by StepFun’s cutting-edge research capabilities.

  agentpuagui-agents+ 1phone-use-agent

  Python

  •

  MIT License

  •169•2k•37•4•Updated Jan 23, 2026Jan 23, 2026

• Step3-VL-10B

  Public
  Step3-VL-10B: A compact yet frontier multimodal model achieving SOTA performance at the 10B scale, matching open-source models 10-20x its size.

  Apache License 2.0

  •26•385•14•2•Updated Jan 21, 2026Jan 21, 2026

• Step-Audio-R1

  Public

  stepfun-ai/Step-Audio-R1’s past year of commit activity
  Python

  •

  Apache License 2.0

  •40•577•19•0•Updated Jan 15, 2026Jan 15, 2026

• stepfun-ai.github.io

  Public

  stepfun-ai/stepfun-ai.github.io’s past year of commit activity
  HTML

  •0•0•0•0•Updated Jan 13, 2026Jan 13, 2026

• Step1X-Edit

  Public

  stepfun-ai/Step1X-Edit’s past year of commit activity
  A SOTA open-source image editing model, which aims to provide comparable performance against the closed-source models like GPT-4o and Gemini 2 Flash.

  image-editingreasoningvisual-reasoning

  Python

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  Apache License 2.0

  •89•2.1k•30•0•Updated Dec 29, 2025Dec 29, 2025

• NextStep-1

  Public

  stepfun-ai/NextStep-1’s past year of commit activity
  [🚀 ICLR 2026]NextStep-1: SOTA Autogressive Image Generation with Continuous Tokens. A research project developed by the StepFun’s Multimodal Intelligence team.

  Python

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  Apache License 2.0

  •18•599•6•1•Updated Dec 25, 2025Dec 25, 2025

• stepfunApi-audio-sdk

  Public

  stepfun-ai/stepfunApi-audio-sdk’s past year of commit activity
  基于阶跃星辰开放平台语音api的android 语音sdk，支持tts 流式与非流式，asr，流式，非流式音频播放器，语音录制能力

  Kotlin

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  Apache License 2.0

  •0•4•0•0•Updated Dec 15, 2025Dec 15, 2025

• Step-Realtime-Console

  Public

  stepfun-ai/Step-Realtime-Console’s past year of commit activity
  Step-Realtime-Console

  JavaScript

  •

  Apache License 2.0

  •10•63•2•0•Updated Dec 15, 2025Dec 15, 2025

• Step-Audio-Edit-Benchmark

  Public

  stepfun-ai/Step-Audio-Edit-Benchmark’s past year of commit activity
  Python

  •0•15•0•0•Updated Nov 22, 2025Nov 22, 2025

• Step-Audio2

  Public

  stepfun-ai/Step-Audio2’s past year of commit activity
  Step-Audio 2 is an end-to-end multi-modal large language model designed for industry-strength audio understanding and speech conversation.

  Python

  •

  Apache License 2.0

  •95•1.3k•52•1•Updated Sep 22, 2025Sep 22, 2025

• Step1X-3D

  Public

  stepfun-ai/Step1X-3D’s past year of commit activity
  Step1X-3D: Towards High-Fidelity and Controllable Generation of Textured 3D Assets

  Python

  •

  Apache License 2.0

  •56•837•37•2•Updated Sep 8, 2025Sep 8, 2025

• StepFun-Formalizer

  Public

  stepfun-ai/StepFun-Formalizer’s past year of commit activity
  StepFun-Formalizer: Unlocking the Autoformalization Potential of LLMs through Knowledge-Reasoning Fusion

  Python

  •

  Apache License 2.0

  •2•21•0•0•Updated Aug 19, 2025Aug 19, 2025

• StepFun-Prover-Preview

  Public

  stepfun-ai/StepFun-Prover-Preview’s past year of commit activity
  Large language models designed for formal theorem proving through tool-integrated reasoning.

  Apache License 2.0

  •0•32•0•0•Updated Aug 13, 2025Aug 13, 2025

• Step3

  Public

  stepfun-ai/Step3’s past year of commit activity
  Apache License 2.0

  •10•449•4•1•Updated Aug 10, 2025Aug 10, 2025

• InfiniteHBD-Trace

  Public

  stepfun-ai/InfiniteHBD-Trace’s past year of commit activity
  Apache License 2.0

  •0•16•0•0•Updated May 21, 2025May 21, 2025

• Step-Realtime-Python-Demo

  Public
  Step Realtime Demo

  Python

  •0•0•0•0•Updated May 6, 2025May 6, 2025

• ComfyUI-StepVideo

  Public

  stepfun-ai/ComfyUI-StepVideo’s past year of commit activity
  Python

  •

  MIT License

  •5•42•1•2•Updated Mar 27, 2025Mar 27, 2025

• Step-Video-TI2V

  Public

  stepfun-ai/Step-Video-TI2V’s past year of commit activity
  Python

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  MIT License

  •32•369•5•0•Updated Mar 20, 2025Mar 20, 2025

• Step-Video-T2V

  Public

  stepfun-ai/Step-Video-T2V’s past year of commit activity
  Python

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  MIT License

  •336•3.2k•39•5•Updated Mar 17, 2025Mar 17, 2025