Real-Time Voice Agentsfree

Pipecat

BSD-2-Clause open-source Python framework for real-time voice/multimodal agents

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What Pipecat does

  • 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

Pipecat — straight answers

What is Pipecat?

Pipecat is listed under Real-Time Voice Agents, in the AI Agents & Automation category on Flocci AI Tools. BSD-2-Clause open-source Python framework for real-time voice/multimodal agents. It is free, with no paid plan attached, and it lives at github.com.

Is Pipecat free?

Pipecat is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 115 entries on Flocci AI Tools with no upgrade path built in.

What can Pipecat do?

Pipecat does 3 things the catalog singles out: 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.

What is the best free alternative to Pipecat?

LiveKit Agents is the closest free alternative: it sits in the same Real-Time Voice Agents sub-category and is free. Bland AI, Retell AI and Ultravox also start free. The full list is on the alternatives page.

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Pipecat 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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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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Manus

General Autonomous Agents
freemium
  • Fully autonomous agent in a cloud sandbox
  • Breaks goals into steps and executes them
  • Web research, code execution and file output
  • 'My Computer' desktop environment
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Head-to-head comparisons

Pipecat vs VapiPipecat vs Retell AIPipecat vs Bland AIPipecat vs LiveKit AgentsPipecat vs UltravoxPipecat vs Manus