Best free Pipecat alternatives

Looking for a free alternative to Pipecat? Here are 9 real-time voice agents worth trying — 9 with a free tier. Pipecat itself is free.

ToolPipecat (you searched)LiveKit AgentsVapiRetell AI
Pricingfreefreefreemiumfreemium
Best forBSD-2-Clause open-source Python framework for real-time voice/multimodal agentsApache-2.0 open-source framework, fully self-hostable on your own serversOrchestrates STT/LLM/TTS providers of choice into one low-latency voice-agent pipelineFree starting credit with no contract required
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Pipecat alternatives — straight answers

What is the best free alternative to Pipecat?

LiveKit Agents is the closest free alternative to Pipecat: same Real-Time Voice Agents sub-category, and it is free. Apache-2.0 open-source framework, fully self-hostable on your own servers

Are there free Pipecat alternatives?

Yes — 9 of the 9 alternatives listed here are free or freemium: LiveKit Agents, Vapi, Retell AI, Bland AI, Ultravox. None of them are paid-only.

Is Pipecat free?

Pipecat is free. There is no paid plan attached to it in the catalog.

How were these Pipecat alternatives chosen?

They are the other tools in Real-Time Voice Agents, then the rest of AI Agents & Automation, ordered free tiers first and capped at 9. There is no sponsorship and no paid placement in that ordering — only the pricing tier decides.

All Pipecat alternatives

Browse Real-Time Voice Agents →

LiveKit Agents

Real-Time Voice Agents
free

✦ WhyA Pipecat alternative — Apache-2.0 open-source framework, fully self-hostable on your own servers.

  • 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

Vapi

Real-Time Voice Agents
freemium

✦ WhyA Pipecat alternative — Orchestrates STT/LLM/TTS providers of choice into one low-latency voice-agent pipeline.

  • 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

Retell AI

Real-Time Voice Agents
freemium

✦ WhyA Pipecat alternative — Free starting credit with no contract required.

  • 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

Bland AI

Real-Time Voice Agents
freemium

✦ WhyA Pipecat alternative — All-in-one per-minute pricing bundles LLM+STT+TTS with no separate token pass-through charges.

  • 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

Ultravox

Real-Time Voice Agents
freemium

✦ WhyA Pipecat alternative — Speech-native processing skips the STT-to-text bottleneck, preserving tone/cadence/pitch.

  • 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

Zhipu AutoGLM

General Autonomous Agents
free

✦ WhyA Pipecat alternative — Free foundation-agent system for autonomous GUI control (web + Android).

  • Free foundation-agent system for autonomous GUI control (web + Android)
  • Voice-to-action: controls entire web/phone UI from a spoken instruction
  • AutoGLM Rumination adds deep-research style multi-step task execution

Windmill

Workflow Automation
free

✦ WhyA Pipecat alternative — Open-source, self-hostable with unlimited executions on the free tier.

  • Open-source, self-hostable with unlimited executions on the free tier
  • Turns scripts (Python/TS/Go/Bash/SQL) into flows and full internal apps
  • Kubernetes/Docker/Fargate deployable with a hybrid seat+compute enterprise pricing model

Langflow

Workflow Automation
free

✦ WhyA Pipecat alternative — Open source with 138k GitHub stars, free desktop app and free cloud account.

  • Open source with 138k GitHub stars, free desktop app and free cloud account
  • Drag-and-drop visual builder for agents and RAG pipelines on top of LangChain primitives
  • Deep integrations across major LLMs, vector DBs and Google Cloud/Slack/MongoDB

LangGraph

Agent Frameworks (Developers)
free

✦ WhyA Pipecat alternative — Build stateful, multi-agent apps as graphs.

  • Build stateful, multi-agent apps as graphs
  • Human-in-the-loop and durable execution
  • Works with any LLM
  • Open-source with a hosted platform

Pipecat head-to-head