Flexible pricing for any scale
Flexible pricing for any scale
Flexible pricing for any scale
Choose a plan and use it how you like across our leading voice AI platform.
Choose a plan and use it how you like across our leading voice AI platform.
Free
$0
/ month
Get introduced to ultra-low latency voice AI through core models and your own voice agent
20K credits for models
$1 prepaid for agents
Personal use
Discord support
Pro
$5
/ month
billed monthly
Upgrade for instant voice cloning and to try voice AI in production for commercial use
100K credits for models
$5 prepaid for agents
Instant voice cloning
Commercial Use
Startup
$49
/ month
billed monthly
For teams starting to use voice AI in production and need shared API keys, pro voice cloning, and multiple agents
1.25M credits for models
$49 prepaid for agents
Pro voice cloning
Organizations
Scale
$299
/ month
billed monthly
For businesses with large-scale use cases requiring high concurrencies and multiple agents
8M credits for models
$299 prepaid for agents
Priority support
High concurrency limits
Enterprise
Contact us
Custom supported models and agents with mission-critical guarantees for uptime, security, and compliance
Custom usage pricing
Custom concurrency
Enterprise support via slack
Enterprise-grade security & compliance
Every plan comes with the best of Cartesia
Sonic
Sonic-2
FLAGSHIP TTS
With a time-to-first-audio of 90ms, our flagship Sonic-2 text-to-speech model is designed for fluid, real-time experiences.
Sonic-2 API access
Sonic-2 API access
Sonic-2 API access
Voice Changer
Voice Changer
Voice Changer
Sonic-Turbo API access
Sonic-Turbo API access
Sonic-Turbo API access
Infilling
Infilling
Infilling
Voice Library
Voice Library
Voice Library
Languages
Languages
Languages
Design a Voice
Design a Voice
Design a Voice
Narrations Studio
Narrations Studio
Narrations Studio
TTS concurrent requests
Sonic Text-to-Speech
Voice changer
Localizing a voice
Infilling
Pro Voice Cloning
Instant Voice Cloning
Free
Pro
Startup
Scale
Enterprise
2
3
5
15
Custom
1 credit per character
15 credits per second of audio
225 credits as a one-time cost
300 credits (one-time fee); 1 credit per character of infill text
1M credits to train; 1.5 credits per character of PVC speech generated
No cost to clone; 1 credit per character of IVC speech generated
See usage rates
TTS concurrent requests
Sonic Text-to-Speech
Voice changer
Localizing a voice
Infilling
Pro Voice Cloning
Instant Voice Cloning
Free
Pro
Startup
Scale
Enterprise
2
3
5
15
Custom
1 credit per character
15 credits per second of audio
225 credits as a one-time cost
300 credits (one-time fee); 1 credit per character of infill text
1M credits to train; 1.5 credits per character of PVC speech generated
No cost to clone; 1 credit per character of IVC speech generated
See usage rates
TTS concurrent requests
Sonic Text-to-Speech
Voice changer
Localizing a voice
Infilling
Pro Voice Cloning
Instant Voice Cloning
Free
Pro
Startup
Scale
Enterprise
2
3
5
15
Custom
1 credit per character
15 credits per second of audio
225 credits as a one-time cost
300 credits (one-time fee); 1 credit per character of infill text
1M credits to train; 1.5 credits per character of PVC speech generated
No cost to clone; 1 credit per character of IVC speech generated
See usage rates
Line
Voice agent development
NEW
Line is the modern voice agent development platform for building your first agent to your best agent—all in code.
Line SDK
Line SDK
Line SDK
Text to Agent
Text to Agent
Text to Agent
Reasoning templates
Reasoning templates
Reasoning templates
Telephony
Telephony
Telephony
Call analytics
Call analytics
Call analytics
Access to Sonic and Ink
Access to Sonic and Ink
Access to Sonic and Ink
Background agents
Background agents
Background agents
Github integration
Github integration
Github integration
CLI
CLI
CLI
Observability
Observability
Observability
Number of agent slots
Concurrent calls
Call duration
Telephony
LLM usage during calls
Text-to-Agent Creation
Evaluations
Free
Pro
Startup
Scale
Enterprise
1
3
5
10
Custom
8
12
20
60
Custom
$0.06 per minute
$0.014 per minute
For a limited time only, LLM usage during text-to-agent calls are free of charge
$0.05 per creation
Free of charge for a limited time only
See usage rates
Number of agent slots
Concurrent calls
Call duration
Telephony
LLM usage during calls
Text-to-Agent Creation
Evaluations
Free
Pro
Startup
Scale
Enterprise
1
3
5
10
Custom
8
12
20
60
Custom
$0.06 per minute
$0.014 per minute
For a limited time only, LLM usage during text-to-agent calls are free of charge
$0.05 per creation
Free of charge for a limited time only
See usage rates
Number of agent slots
Concurrent calls
Call duration
Telephony
LLM usage during calls
Text-to-Agent Creation
Evaluations
Free
Pro
Startup
Scale
Enterprise
1
3
5
10
Custom
8
12
20
60
Custom
$0.06 per minute
$0.014 per minute
For a limited time only, LLM usage during text-to-agent calls are free of charge
$0.05 per creation
Free of charge for a limited time only
See usage rates
Ink
Ink-Whisper
FASTEST STT
At just $0.13/hr on our Scale plan, Ink-Whisper is the most affordable—and fastest—streaming speech-to-text model.
Ink-Whisper API access
Ink-Whisper API access
Ink-Whisper API access
Multilingual support
Multilingual support
Multilingual support
STT concurrent requests
Ink Speech-to-Text
Free
Pro
Startup
Scale
Enterprise
8
12
20
60
Custom
1 credit per second of audio
See usage rates
STT concurrent requests
Ink Speech-to-Text
Free
Pro
Startup
Scale
Enterprise
8
12
20
60
Custom
1 credit per second of audio
See usage rates
STT concurrent requests
Ink Speech-to-Text
Free
Pro
Startup
Scale
Enterprise
8
12
20
60
Custom
1 credit per second of audio
See usage rates
Priority Dedicated Support via Slack
Single Sign-On (SSO)
PCI compliance
Custom SLAs
Custom Security Review
HIPAA compliance
Estimate your credits usage for STT and TTS
sonic
Frequently asked questions
If you question is not covered here, you can contact our team.
Frequently asked questions
If you question is not covered here, you can contact our team.
Do TTS, STT, and Agent concurrency limits affect each other?
How do model credits and voice agent rates work within each plan?
How many Line voice agent minutes do I get per plan?
How many credits do I need?
How many credits do I need for Pro Voice Cloning?
What happens to my rollover credits if I change my pricing tier?
What happens if I upgrade to a higher subscription tier?
What if I cancel or downgrade my tier in the middle of a payment period?
When does my subscription renew?
What happens if I use more credits than I have in my account?
How and when are overages charged?
How are break tags counted in billing?
Is Cartesia SOC 2 Type II certified?
Do TTS, STT, and Agent concurrency limits affect each other?
How do model credits and voice agent rates work within each plan?
How many Line voice agent minutes do I get per plan?
How many credits do I need?
How many credits do I need for Pro Voice Cloning?
What happens to my rollover credits if I change my pricing tier?
What happens if I upgrade to a higher subscription tier?
What if I cancel or downgrade my tier in the middle of a payment period?
When does my subscription renew?
What happens if I use more credits than I have in my account?
How and when are overages charged?
How are break tags counted in billing?
Is Cartesia SOC 2 Type II certified?
Do TTS, STT, and Agent concurrency limits affect each other?
How do model credits and voice agent rates work within each plan?
How many Line voice agent minutes do I get per plan?
How many credits do I need?
How many credits do I need for Pro Voice Cloning?
What happens to my rollover credits if I change my pricing tier?
What happens if I upgrade to a higher subscription tier?
What if I cancel or downgrade my tier in the middle of a payment period?
When does my subscription renew?
What happens if I use more credits than I have in my account?
How and when are overages charged?
How are break tags counted in billing?
Is Cartesia SOC 2 Type II certified?
Meet the teams we empower
Real-time, multimodal intelligence for every device.
Real-time, multimodal intelligence for every device.
Real-time, multimodal intelligence for every device.