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Open source · Python

Best Python voice agents

The open-source voice agents written in Python, from the Agent Search Engine index — ranked by real maintained adoption (GitHub stars and recent commit activity), never by sponsorship. Every project here is Python-first, self-hostable, and free to run; the trade-off is you host and maintain it yourself. Right now it's led by bailing (1.8k stars), with CyberVerse and Patter close behind. Rankings shift as projects gain stars and ship commits.

14 open-source records · all voice agents · more best-of lists · how we rank

bailingAgent百聆 是一个类似GPT-4o的语音对话机器人，通过ASR+LLM+TTS实现，集成DeepSeek R1等优秀大模型，接入openClaw，真正的个人语音助手，时延低至800ms，Mac等低配置也可运行，支持打断Python · 1.8k stars · MIT · Apr 2026CyberVersePlatformSelf hosted, real-time digital human agent platform. Build voice-first AI agents with WebRTC, persona memory, tools, RAG, and optional digital-human video.Python · 1.6k stars · GPL-3.0 · Aug 2026PatterSDK / libraryOpen-source voice-AI SDK. The Vapi/Retell alternative for builders who want to own the stack.Python · 1.0k stars · MIT · Aug 2026JARVISAgentYour own personal voice assistant: Voice to Text to LLM to Speech, displayed in a web interfacePython · 525 stars · GPL-3.0 · Jun 2024deepgram-python-sdkSDK / libraryOfficial Python SDK for Deepgram.Python · 457 stars · MIT · Aug 2026bolnaAgentEnd-to-end platform for building voice first multimodal agentsPython · 431 stars · MIT · Oct 2024ai-avatar-systemAgentAI Avatar / digital human platform — upload a photo, clone a voice, talk to any face in real time with lip-sync video. Open-source, self-hosted. Claude · Whisper · Chatterbox · MuseTalk.Python · 412 stars · MIT · Jul 2026sutandoAgentMy AI Stand. Realtime by day, rewriting itself by night. Summon my AI superpower.Python · 374 stars · MIT · Aug 2026agent-second-brainAgentAn always-on second brain you talk to. Voice notes in Telegram → typed, linked knowledge in your Obsidian vault. Runs 24/7 on the Claude subscription you already have.Python · 352 stars · MIT · Aug 2026LLMVoXSDK / libraryLLMVoX: Autoregressive Streaming Text-to-Speech Model for Any LLMPython · 309 stars · May 2025M.I.L.E.SAgentM.I.L.E.S, a GPT-4-Turbo voice assistant, self-adapts its prompts and AI model, can play any Spotify song, adjusts system and Spotify volume, performs calculations, browses the web and internet,Python · 234 stars · MIT · Jul 2026axiom-voice-agentAgentRun a <400ms latency Voice Agent on just 4GB VRAM. Fully offline, no API keys required. Optimized for GTX 1650 and edge robotics with zero-copy inference. (Apache 2.0)Python · 142 stars · Apache-2.0 · May 2026
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BentoVoiceAgentAgentBuild Phone Calling Voice Agent fully powered by open source models.Python · 128 stars · Jul 2026AI-Voice-AgentAgentSelf-hosted AI voice agentPython · 37 stars · MIT · Jul 2026

Frequently asked

What are the best Python voice agents?
The Python projects listed below, ranked by maintained adoption — GitHub stars plus recent commit activity — so you see what's genuinely used and still maintained, not abandoned.
Are these Python voice agents open source and free?
Yes — every project on this page is open source and written primarily in Python. The software is free to run and self-host; you still pay for the infrastructure you run it on and any model or API usage it makes.
Why choose Python voice agents specifically?
Staying in your team's primary language — Python — makes self-hosting, extending, and debugging far easier, because you can read and modify the source directly instead of treating it as a black box.