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xiaozhi-esp32-server alternatives

Looking for an alternative to xiaozhi-esp32-server? Below are the voice agents in our index that do a similar job — open-source options are ranked by real maintained adoption (GitHub stars and recent commit activity), never by sponsorship. xiaozhi-esp32-server is open source, so the list below includes both other self-hostable projects and commercial products.

the 10 closest of 32 · all voice agents · how we rank

The product you're replacing

xiaozhi-esp32-serverInfrastructureVoice Agents

Backend service for xiaozhi-esp32 -- helps you quickly build an ESP32 device control server.

Open source · 11k stars · JavaScript · MIT · updated Sep 2026

xiaozhi-esp32-server's own profile notes it may not be the right fit if you need something production-ready; the project states its features are incomplete, that it has not passed a network security assessment, and that it should not be used in a production environment. If that's you, the options below are worth comparing.

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Commercial alternatives to xiaozhi-esp32-server

Listed alphabetically — GitHub stars don't measure commercial adoption.

Cartesia SonicInfrastructureStreaming text-to-speech models with pronunciation and voice controls.FreemiumVerified

vs xiaozhi-esp32-server — Cartesia Sonic is a commercial product; xiaozhi-esp32-server is open-source and self-hostable.

Bland AIPlatformEnterprise platform for AI phone calls that sound human.Paid productVerified

vs xiaozhi-esp32-server — Bland AI is a commercial product; xiaozhi-esp32-server is open-source and self-hostable.

Deepgram Voice Agent APIPlatformA unified API for speech recognition, model orchestration and speech synthesis.Paid productVerified

vs xiaozhi-esp32-server — Deepgram Voice Agent API is a commercial product; xiaozhi-esp32-server is open-source and self-hostable.

ElevenLabs AgentsPlatformConversational voice agents powered by ElevenLabs' leading speech models.FreemiumVerified

vs xiaozhi-esp32-server — ElevenLabs Agents is a commercial product; xiaozhi-esp32-server is open-source and self-hostable.

Open-source alternatives to xiaozhi-esp32-server

Ranked by maintained adoption — self-hostable and free to run.

rustpbxInfrastructureA PBX written by rustOpen sourceRust · MITVerified · Active 812GitHub stars

vs xiaozhi-esp32-server — xiaozhi-esp32-server is written primarily in JavaScript; rustpbx in Rust.

LiveKit AgentsFrameworkBuild voice and multimodal agents that participate in LiveKit rooms.Open sourcePython · Apache-2.0Verified · Active 14kGitHub stars

vs xiaozhi-esp32-server — xiaozhi-esp32-server is written primarily in JavaScript; LiveKit Agents in Python.

ten-vadSDK / libraryVoice Activity Detector (VAD): low-latency, high-performance and lightweightOpen sourceCVerified 2.3kGitHub stars

vs xiaozhi-esp32-server — xiaozhi-esp32-server is written primarily in JavaScript; ten-vad in C.

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Frequently asked

What is the best alternative to xiaozhi-esp32-server?
It depends on whether you'd rather self-host or buy a managed product. rustpbx is the most widely-adopted open-source alternative (812 GitHub stars); Cartesia Sonic is one of the commercial options. Compare the full list above on adoption, license, and pricing.
Is there a free or open-source alternative to xiaozhi-esp32-server?
Yes. rustpbx, Pipecat, and LiveKit Agents are open-source voice agents you can self-host for free — you still pay for the infrastructure you run them on and any model or API usage. See the ranked open-source list above.
How are these xiaozhi-esp32-server alternatives ranked?
Every product in the voice agents category is a candidate. Open-source alternatives are ranked by maintained adoption — GitHub stars plus recent commit activity — so you see what's genuinely used, not abandoned. Commercial products are listed separately and alphabetically, because stars don't measure commercial adoption. Sponsored placement is always labeled and never affects the ranking.