Real-Time Voice Agentsfree

Kyutai Unmute

Wraps any text LLM with Kyutai's streaming speech-to-text and text-to-speech for voice conversation

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What Kyutai Unmute does

  • 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

Kyutai Unmute — straight answers

What is Kyutai Unmute?

Kyutai Unmute is listed under Real-Time Voice Agents, in the AI Agents & Automation category on Flocci AI Tools. Wraps any text LLM with Kyutai's streaming speech-to-text and text-to-speech for voice conversation. It is free, with no paid plan attached, and it lives at unmute.sh.

Is Kyutai Unmute free?

Kyutai Unmute is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 397 entries on Flocci AI Tools with no upgrade path built in.

Can I use Kyutai Unmute in a browser, or is there an app?

Kyutai Unmute works in a normal browser tab with no install. It is available on the web and self-hosting.

What can Kyutai Unmute do?

Kyutai Unmute does 4 things the catalog singles out: 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.

What is the best free alternative to Kyutai Unmute?

Bolna is the closest free alternative: it sits in the same Real-Time Voice Agents sub-category and is free. LiveKit Agents, Pipecat and TEN Framework also start free. The full list is on the alternatives page.

See the full list →

Kyutai Unmute alternatives

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Vapi

Real-Time Voice Agents
freemium
  • Orchestrates STT/LLM/TTS providers of choice into one low-latency voice-agent pipeline
  • Usage-based per-minute pricing with free trial minutes included
  • SOC 2/HIPAA/PCI compliance add-ons for regulated call-center deployments
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Retell AI

Real-Time Voice Agents
freemium
  • 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
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Bland AI

Real-Time Voice Agents
freemium
  • 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
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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
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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
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Ultravox

Real-Time Voice Agents
freemium
  • Speech-native processing skips the STT-to-text bottleneck, preserving tone/cadence/pitch
  • Free tier: 5¢/min including TTS for up to 5 concurrent calls
  • Open-weight models (fixie-ai) published on Hugging Face for research use
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Head-to-head comparisons

Kyutai Unmute vs VapiKyutai Unmute vs Retell AIKyutai Unmute vs Bland AIKyutai Unmute vs LiveKit AgentsKyutai Unmute vs PipecatKyutai Unmute vs Ultravox