Hosted voice agent platforms - verified
Cartesia Managed Agents (Line)
Cartesia Managed Agents is listed under hosted voice agent platforms. Its first listed price, in its own words: Call duration: $0.06 per minute (Free through Scale plans) (per minute). Telephony stated on its pages: phone numbers and sip. Read from the vendor's own pages on October 19, 2026 and October 20, 2026.
Last verified: 2026-10-19 (pricing), 2026-10-20 (agents page, docs)
Read from docs.cartesia.ai, cartesia.ai. Docs - Pricing - Cartesia speech models - Compare every voice agent platform
Status
- Status, as stated
Current
“Line brings voice to your text agents with Cartesia's state-of-the-art speech models.”
docs.cartesia.ai - Last verified
Changes recorded: none. None stated.
How Cartesia Managed Agents charges
Every price line Cartesia Managed Agents states, in its own words and units, with what it says the price includes and the quote. Nothing is converted.
| Price, in the vendor's words | Unit | Includes, as stated | Quote and source |
|---|---|---|---|
| Call duration: $0.06 per minute (Free through Scale plans)inferredInferred: Plans assigned by table column order (Free through Scale, then Enterprise); the row does not name them. | per minute | Not stated in this row; telephony and LLM usage are separate lines | “Call duration $0.06 per minute $0.06 per minute $0.06 per minute $0.06 per minute Custom” |
| Telephony: $0.014 per minute on a Cartesia-provided number | per minute | Telephony on a Cartesia-provided number (stated) | “Telephony $0.014 per minute when using a Cartesia-provided phone number” |
| LLM usage during calls free for UI-created agents for a limited timelimited timeFree for UI-created agents for a limited time; the page gives no end date. | promotion | LLM usage during calls (stated) | “LLM usage during calls Free for UI-created agents for a limited time” |
| Free: $0/mo with 20K credits and $1 prepaid agents per month | per month (plan) | Not stated | “Free $0 /mo Start free 20K credits / month $1 prepaid agents / month” |
- Free tier or credits
$1 prepaid agents per month (Free plan)inferred
Inferred: Plan from page layout: the line sits on the Free plan card; the quote does not name the plan.“$1 prepaid agents / month”
cartesia.ai
Read with care
- limited timeCartesia Managed Agents (Line)
LLM usage during calls free for UI-created agents for a limited time
Free for UI-created agents for a limited time; the page gives no end date.
“LLM usage during calls Free for UI-created agents for a limited time”
cartesia.ai
Telephony
- Phone numbers
Cartesia-provisioned phone numbers: 1, 3, 5, 10, Custom by planinferred
Inferred: Plans assigned by table column order (Free through Scale, then Enterprise); the row does not name them.“Cartesia-provisioned phone numbers 1 3 5 10 Custom”
cartesia.ai - SIP
SIP trunking listed as an enterprise feature
“Agents scale from zero to enterprise scale with a simple build experience, custom evals, and enterprise features like SIP trunking.”
cartesia.ai - Bring your own carrier
- Not stated
Not stated beyond SIP trunking.
Models, tools and calls
- Bring your own models
Connect any LLM in code
“Line gives you full control over your agent's behavior through code: connect any LLM, call external APIs, query databases, and handle interruptions and turn-taking.”
docs.cartesia.ai - Function calling and tools
Tool calling and real-time actions
“Advanced reasoning, tool calling, and real-time actions, with ultra-low latency and no infrastructure to run.”
cartesia.ai - Transfer and handoff
- Not stated
Agents page demo shows a transfer tool but no sentence states the feature.
- Recording and transcripts
Debug conversations and monitor performance
“Debug conversations and monitor performance”
docs.cartesia.ai - Languages
- Not stated
Not stated for agents on cited pages.
Self-hosting, license, compliance and scale
- Self-hosting
- Not stated
Not stated; managed runtime.
- License
- Not stated
Proprietary service.
- Compliance
HIPAA compliant, SOC 2 Type 2, GDPR (badges on agents page)
“HIPAA compliant SOC 2 Type 2 GDPR”
cartesia.ai - Concurrency
Concurrent calls: 8, 12, 20, 60, Custom by planinferred
Inferred: Plans assigned by table column order (Free through Scale, then Enterprise); the row does not name them.“Concurrent calls 8 12 20 60 Custom”
cartesia.ai - SDKs
- Not stated
Docs mention an SDK and CLI without naming languages.
Vendor-stated latency
Latency as Cartesia Managed Agents states it about itself. Vendor-stated, not measured.
- Vendor-stated
Ultra-low latency (no figure stated)
“Advanced reasoning, tool calling, and real-time actions, with ultra-low latency and no infrastructure to run.”
cartesia.ai
FAQ
How much does Cartesia Managed Agents cost?
In Cartesia Managed Agents's own terms: Call duration: $0.06 per minute (Free through Scale plans) (per minute); Telephony: $0.014 per minute on a Cartesia-provided number (per minute); LLM usage during calls free for UI-created agents for a limited time (promotion); Free: $0/mo with 20K credits and $1 prepaid agents per month (per month (plan)). As read on October 20, 2026; prices are not converted.
Does Cartesia Managed Agents connect to phone calls?
Per its own pages: Phone numbers: Cartesia-provisioned phone numbers: 1, 3, 5, 10, Custom by plan. SIP: SIP trunking listed as an enterprise feature.
Can I self-host Cartesia Managed Agents?
Not stated. Not stated; managed runtime. License: not stated. Proprietary service.
Sources
- Source: docs.cartesia.ai/line/introduction
- Source: cartesia.ai/pricing
- Source: cartesia.ai/agents
Last verified from each vendor's own pricing pages, docs and license files; every quote was string-matched against the page that day. This is not a benchmark. Prices are shown in the vendor's own unit and change without notice, so check the linked source before you commit.
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