LiveKit Agents vs Synthflow
Two of the most-asked-about agents in the voice-agents space. Here's how they actually stack up.
LiveKit Agents
Open-source framework for building real-time voice and multimodal AI agents that run in production
Free
Read full review →Synthflow
No-code voice agent builder with pre-built templates for receptionists, sales, and lead qualification
From $29/mo
Read full review →Side-by-side comparison
| LiveKit Agents | Synthflow | |
|---|---|---|
| Tagline | Open-source framework for building real-time voice and multimodal AI agents that run in production | No-code voice agent builder with pre-built templates for receptionists, sales, and lead qualification |
| Pricing | Free | From $29/mo |
| Categories | voice-agents, developer-tools, open-source | voice-agents, no-code |
| Made by | LiveKit Inc. | Synthflow AI |
| Launched | 2024-03 | 2023 |
| Platforms | Self-hosted, Linux, Web | Web, Phone |
| Status | active | active |
LiveKit Agents highlights
- + Python and Node.js SDKs for building voice AI agents with real-time WebRTC transport
- + Pre-built pipelines for STT, LLM, and TTS with configurable providers at each stage
- + Multimodal support for voice plus video plus text in unified agent sessions
- + Plugin system supporting OpenAI Realtime API, Cartesia, Deepgram, ElevenLabs, and others
- + Worker pool architecture for handling many concurrent agent sessions
Synthflow highlights
- + Visual drag-and-drop agent builder with no coding required
- + Pre-built templates for AI receptionist, outbound sales caller, and lead qualifier roles
- + Phone number provisioning included at Pro and above tiers
- + CRM integrations with HubSpot, Salesforce, and GoHighLevel out of the box
- + Calendar integration for real-time appointment scheduling during calls
Frequently Asked Questions
Which is better, LiveKit Agents or Synthflow?
Neither is universally better. LiveKit Agents (Free) leans into voice-agents, while Synthflow (From $29/mo) is closer to voice-agents. Pick based on which workflow you actually do every day.
What is the price difference between LiveKit Agents and Synthflow?
LiveKit Agents is free. Synthflow is from $29/mo. See the pricing row in the comparison table.
Can I use LiveKit Agents and Synthflow together?
In most cases, yes. They serve overlapping but distinct needs, so running them side by side is common until you decide which fits your workflow.