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Cartesia

by Cartesia •Voice & Speech Platforms

Real-time voice AI platform for low-latency text-to-speech, speech-to-text, voice cloning and conversational voice agents.

PricingFree + Paid Profile coverage72% PlatformsAPI CompanyCartesia
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Overview

What is Cartesia?

Cartesia is a real-time voice AI platform for text-to-speech, speech-to-text, voice cloning and conversational voice-agent workloads. Its Sonic model family is designed for low-latency generation, while account plans bundle monthly model credits and prepaid agent spend with usage-based overages. Commercial-use rights begin on paid plans, and larger plans add organizations, higher concurrency, professional voice cloning and enterprise compliance options.
Best for
VoiceoversTranscription
Decision intelligence

AI Orbit decision brief

A compact reading of the recorded evidence, editorial review signals and comparison data for Cartesia.

Why it stands out

Recorded strengths

API access

Verified profile evidence records API access for this tool.

Source-backed capability Source
Capabilities0/4 verified
Use-case fit0/2 verified
Pricing evidence5/5 plans checked
Verified sources3
Benchmarks1 verified

Built from AI Orbit's recorded profile data. Unknown product facts are not inferred.

Capabilities

Features & use cases

Core capabilities listed for Cartesia.

API Access

Provides programmatic API access for application integration.

Source review in progress Source

Text to Speech

Synthesizes spoken audio from written text.

Source review in progress Source

Voice Cloning

Creates synthetic speech that resembles a supplied or licensed voice.

Source review in progress Source

Real-time Streaming

Supports low-latency streaming text, audio or multimodal interactions.

Source review in progress Source
API #API First#Real-time#Multilingual#Professional
Technical profile

Access, deployment & licensing

Structured product facts with evidence status. Unknown facts are never guessed.

Open source & license

Source check pending

Proprietary

Trust intelligence

Privacy, security & compliance

Provider policies and certifications are shown only when recorded with evidence.

Data training policy

Training use with opt-out / controls

Verified fact Privacy source

SSO / enterprise access

Enterprise-only SSO / SAML

Privacy: Cartesia's terms and privacy policy state that inputs, outputs and interactions may be used to improve models unless customers request a training opt-out for eligible content.
Pricing

Pricing overview

Pricing stored in AI Orbit's pricing database. Always verify final rates on the provider website.

Cartesia

Enterprise

Custom

Custom

Stale · verified 1 month ago

Cartesia

Free

Included

Review · verified 2 weeks ago

  • Text-to-speech and speech-to-text access.
  • 20,000 credits/month + $1 prepaid agents/month
Cartesia

Pro

USD 5/month

Review · verified 2 weeks ago

  • Adds commercial-use license and instant voice cloning.
  • 100,000 credits/month + $5 prepaid agents/month
Cartesia

Startup

USD 49/month

Review · verified 2 weeks ago

  • Adds professional voice cloning and organizations.
  • 1,250,000 credits/month + $49 prepaid agents/month
Cartesia

Scale

USD 299/month

Review · verified 2 weeks ago

  • Adds priority support and higher concurrency.
  • 8,000,000 credits/month + $299 prepaid agents/month
View full Cartesia pricing, plans & price history
Evidence-separated performance

Verified benchmarks & scores

AI Orbit keeps technical tests, product-experience evidence and independent research in separate semantic classes. Only comparable results may contribute to the same composite.

Unclassified

Evidence not yet safe to place in a comparable benchmark class; excluded from universal composites.

Evidence only
Speech Quality Unclassified Verified Independent

Artificial Analysis TTS Provider Voice Arena Elo

Tested product / versionSonic 3.6
1,285.0 Elo
#1 of 6
Same-benchmark rank#1 of 6 tools
Scoring directionHigher is better
Leader context Current verified leader
TestedAug 28, 2026
Artificial Analysis AI Orbit verified Aug 28, 2026
Alternatives

Evidence-based similar tools

Ranked by use-case, capability, pricing, platform, taxonomy and compatible benchmark overlap—not popularity alone.

Make a confident choice

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Compare features, pricing and alternatives before you decide.

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Common questions

Cartesia FAQ

Quick answers based on the information currently available in this AI Orbit profile.

What is Cartesia?

Cartesia is a real-time voice AI platform for text-to-speech, speech-to-text, voice cloning and conversational voice-agent workloads. Its Sonic model family is designed for low-latency generation, while account plans bundle monthly model credits and prepaid agent spend with usage-based overages. Cartesia is provided by Cartesia and AI Orbit categorizes it under Voice & Audio. Its structured capability profile includes API Access, Text to Speech, Voice Cloning and Real-time Streaming; field-level verification may still be pending for some capability mappings.

Who makes Cartesia?

Cartesia is provided by Cartesia. AI company developing real-time multimodal and voice models optimized for low-latency interactive applications. Within AI Orbit, the product is cataloged in Voice & Audio, which describes its primary product category rather than the provider itself.

What is Cartesia best for?

AI Orbit currently maps Cartesia to structured use cases including Voiceovers and Transcription. These are reviewed taxonomy mappings used for discovery and fit; field-level evidence may still be pending, so they are not presented as independently verified claims. Supporting cataloged capabilities include API Access, Text to Speech, Voice Cloning and Real-time Streaming.

Does Cartesia have an API?

Yes. AI Orbit has verified official evidence that Cartesia provides API access. The API status is tied to a verified provider source on this profile and is not inferred from the product having integrations. API availability can change independently from the consumer product, so production implementations should still be checked against the provider documentation.

How does Cartesia handle privacy and security?

Cartesia's terms and privacy policy state that inputs, outputs and interactions may be used to improve models unless customers request a training opt-out for eligible content. AI Orbit records the data-training policy as: Training use with opt-out / controls. These statements reflect the verified provider evidence stored by AI Orbit; policies and certifications can change, so sensitive deployments should re-check the current official documentation.

How much does Cartesia cost?

AI Orbit currently has verified plan-level pricing data for Cartesia, including Enterprise, Free, Pro and Startup. Exact rates, billing units, limits and verification dates are shown in the pricing section of this profile rather than compressed into a single potentially misleading price. Because providers can change prices and plan limits, check the linked official pricing source before making a purchase or production decision.