Bolna vs XiaoZhi AI

Bolna is free, with no paid plan attached. XiaoZhi AI is free, with no paid plan attached. Both are listed under Real-Time Voice Agents, so this is a like-for-like comparison. Neither is ranked above the other — Flocci carries no sponsored placement.

Bolna vs XiaoZhi AI — straight answers

Bolna vs XiaoZhi AI: what is the difference?

Bolna is free, with no paid plan attached and is listed for open-source framework for phone voice agents, from an India-based team. XiaoZhi AI is free, with no paid plan attached and is listed for open-source ESP32 voice chatbot with wake word, Opus streaming and a display. Both sit in Real-Time Voice Agents.

Is Bolna or XiaoZhi AI cheaper to start with?

Neither — Bolna and XiaoZhi AI are both free, so the choice comes down to capability rather than cost. Both entries list what they uniquely do above.

Which should I choose, Bolna or XiaoZhi AI?

Choose Bolna if you need open-source framework for phone voice agents, from an India-based team; choose XiaoZhi AI if you need open-source ESP32 voice chatbot with wake word, Opus streaming and a display. Flocci AI Tools does not rank one above the other — it shows both feature sets side by side and lets the requirement decide.

Bolna compared with XiaoZhi AI: pricing tier, category, listed capabilities and links.
 BolnaXiaoZhi AI
Pricing tierFreeFree
Free to startYesYes
CategoryAI Agents & AutomationAI Agents & Automation
TypeReal-Time Voice AgentsReal-Time Voice Agents
Listed capabilities
  • Open-source framework for phone voice agents, from an India-based team
  • Connects to telephony, STT, LLM and TTS providers of your choice
  • Supports Indian languages
  • Self-host free; hosted platform is pay-as-you-go
  • Open-source ESP32 voice chatbot with wake word, Opus streaming and a display
  • Free official server lets personal users try a Qwen real-time model after registering
  • Device-side and cloud MCP for controlling IoT gadgets
  • MIT licensed firmware supporting many ESP32 chips
Tagsbolna, bolna ai, open source voice agents, hindi voice ai agent, india voice agent platformxiaozhi ai, xiaozhi esp32, esp32 voice assistant, open source ai voice robot, mcp voice chatbot hardware
Websitebolna.aixiaozhi.me
Full pageBolna details →XiaoZhi AI details →
AlternativesBolna alternatives →XiaoZhi AI alternatives →

Also worth comparing

All Real-Time Voice Agents →

Kyutai Unmute

Real-Time Voice Agents
freeNew
  • Wraps any text LLM with Kyutai's streaming speech-to-text and text-to-speech for voice conversation
  • Open-source code and weights that can be self-hosted
  • Low-latency interruptible conversation
  • Free demo available online
Visit

LiveKit Agents

Real-Time Voice Agents
free
  • Apache-2.0 open-source framework, fully self-hostable on your own servers
  • Native WebRTC client support across web/mobile/telephony out of the box
  • Native Model Context Protocol (MCP) support for tool-using voice agents
Visit

Pipecat

Real-Time Voice Agents
free
  • BSD-2-Clause open-source Python framework for real-time voice/multimodal agents
  • Supports distributed multi-agent systems with handoffs over a shared bus
  • Maintained by Daily with an active plugin ecosystem for STT/LLM/TTS providers
Visit

TEN Framework

Real-Time Voice Agents
freeNew
  • Open-source framework for real-time conversational voice and multimodal agents
  • Modular graph of extensions in Python, Go, C++ and Node
  • Ships a playground and a VAD and turn-detection model
  • Free to self-host under an open license
Visit

Bland AI

Real-Time Voice Agents
freemiumLeaving soon
  • All-in-one per-minute pricing bundles LLM+STT+TTS with no separate token pass-through charges
  • Free start with call credits plus an inbound number included
  • Tiered platform fees (Build/Scale) unlock lower per-minute rates for high volume
Visit

Retell AI

Real-Time Voice Agents
freemiumLeaving soon
  • Free starting credit with no contract required
  • Supports swapping GPT, Claude or Gemini as the reasoning layer per agent
  • Batch calling campaigns plus live AI-to-human call transfer built in
Visit