Cartesia Line vs LiveKit Agents
How the two platforms compare on pricing, live demos, calls, integrations, and setup — highlighted where they differ.
Voice Agent Platform
Cartesia Line
Managed platform for building and deploying low-latency voice agents with custom reasoning and Cartesia speech models.
Developer API
LiveKit Agents
Open-source framework and managed cloud runtime for building and deploying realtime voice agents.
Highlighted rows differ between these picks
| Attribute | Cartesia Line | LiveKit Agents |
|---|---|---|
| Platform type | Voice Agent Platform | Developer API |
| Pricing | Unknown pricing Usage and enterprise pricing; verify Line, speech-model, telephony, and deployment costs | Usage Based pricing LiveKit Cloud usage plus selected models, telephony, and optional services |
| Test it | Free trial | Free trial |
| Calls | Inbound, Outbound | Inbound, Outbound |
| Human handoff | Yes | Yes |
| Setup difficulty | Technical | Technical |
| Use cases | Custom Voice Apps Customer Support Financial Services Real Time Assistants | Custom Voice Apps Customer Support Telephony Agents Multimodal Assistants |
| Useful for |
|
|
| Integrations | ||
| Cartesia Ink | — | |
| Cartesia Sonic | — | |
| Custom LLMs | — | |
| Custom API | — | |
| CLI | — | |
| Webhooks | — | |
| WebRTC | — | |
| SIP | — | |
| Twilio | — | |
| Telnyx | — | |
| +4 more across these tools — see each profile for the full list. | ||
Platform type
- Cartesia Line
- Voice Agent Platform
- LiveKit Agents
- Developer API
Pricing
- Cartesia Line
Unknown pricing
Usage and enterprise pricing; verify Line, speech-model, telephony, and deployment costs
- LiveKit Agents
Usage Based pricing
LiveKit Cloud usage plus selected models, telephony, and optional services
Test it
- Cartesia Line
- Free trial
- LiveKit Agents
- Free trial
Calls
- Cartesia Line
- Inbound, Outbound
- LiveKit Agents
- Inbound, Outbound
Human handoff
- Cartesia Line
- Yes
- LiveKit Agents
- Yes
Setup difficulty
- Cartesia Line
- Technical
- LiveKit Agents
- Technical
Use cases
- Cartesia Line
- Custom Voice AppsCustomer SupportFinancial ServicesReal Time Assistants
- LiveKit Agents
- Custom Voice AppsCustomer SupportTelephony AgentsMultimodal Assistants
Useful for
- Cartesia Line
- • Low-latency voice agents
- • Custom reasoning
- • Managed agent deployment
- • Teams using Cartesia speech models
- LiveKit Agents
- • Developer teams
- • Realtime multimodal apps
- • Bring-your-own model stacks
- • Cloud or self-hosted agents
Integrations
| Cartesia Line | LiveKit Agents | |
|---|---|---|
| Cartesia Ink | — | |
| Cartesia Sonic | — | |
| Custom LLMs | — | |
| Custom API | — | |
| CLI | — | |
| Webhooks | — | |
| WebRTC | — | |
| SIP | — | |
| Twilio | — | |
| Telnyx | — |
+4 more across these tools — see each profile for the full list.
What would these cost to run?
Enter your call volume once and see Cartesia Line and LiveKit Agents priced at the same usage, ranked alongside every other platform.