All tasks / Tools
Cartesia Line
Cartesia's managed voice-agent builder with its own speech-to-text and Sonic text-to-speech.
- Cartesia
- Cloud
- Free tier · from $5/mo
Where it ranks
- SVoice agentsVoice-agent platforms · Cloud · 1,034 on Artificial Analysis Speech Agent Arena (cascaded agent platforms)
Ranked by its own benchmark result where it has one; otherwise by the best model it offers.
Facts
- Vendor
- Cartesia
- Approach
- Voice-agent platforms
- Where it runs
- Cloud only: needs the vendor’s service
- Interface
- Web app, API
- Skill level
- Intermediate: some setup or configuration
- Price
- Free tier · from $5/mo
- Pricing notes
- Free $0/month with $1 prepaid agent credit; Pro $5/month; agent calls $0.06 per minute plus telephony. Uses Cartesia Ink (STT) and Sonic (TTS).
- Source code
- Closed source
- Last verified
- 19 Oct 2026
Price from cartesia.ai, 19 Oct 2026.
Models it gives you
No models recorded yet.
Its own benchmark results
| Benchmark | Result | Entry on the leaderboard | As of | Source |
|---|---|---|---|---|
| Artificial Analysis Speech Agent Arena (cascaded agent platforms) | 1,034 | Cartesia Line (Default Cascaded System)Speech Agent Arena Elo, 218 appearances, read from the page's embedded arena results; no last-updated date shown. | 19 Oct 2026 | artificialanalysis.ai |