AI · head to head
Cartesia vs Verbit
Cartesia
AI
Real-time voice AI platform for speech generation, transcription, and voice agents
- From
- Free
- Rated
- -
Verbit
AI
Transcription and captioning combining automatic speech recognition with professional human correction
- From
- $24/month
- Rated
- -
The short version
- Only Cartesia has a free tier, so it costs nothing to try first.
- Each has a real cost: Cartesia instant and professional voice cloning are gated behind paid Pro and Startup tiers, unavailable on the free plan.; Verbit only a small self-service tier has a published price; the institutional plans that most education buyers actually need are quoted, so budgeting requires a sales cycle and comparison against competitors requires several.
- They diverge on capability: Cartesia covers Sonic text-to-speech, Verbit covers ASR with human correction.
- Prices and features above were last checked on 31 August 2026.
Where they differ
Only the attributes on which Cartesia and Verbit actually diverge.
Identical on both: platforms (web, api), user rating (Not yet rated), category (AI).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Cartesia
- Sonic text-to-speech
- Ink speech-to-text
- Line voice agent platform
- Instant and professional voice cloning
- Flexible deployment
- Telephony integration
Only in Verbit
- ASR with human correction
- Live realtime captioning
- Domain-tuned models
- Translation and subtitling
- Audio description
- LMS and video platform integrations
- Court-admissible transcripts
- Turnaround tiers
What people use each for
The jobs each tool is most often brought in to do.
Cartesia
- Building low-latency voice agents for customer supportnot Verbit
- Real-time transcription for conversational applicationsnot Verbit
- Voice cloning for branded synthetic voicesnot Verbit
- On-device or on-premise voice AI for regulated industriesnot Verbit
Verbit
- A university that must caption recorded teaching to meet accessibility law and wants machine output for general content with human correction only where a student accommodation appliesnot Cartesia
- A broadcaster needing live realtime captioning to regulatory standard, which the VITAC operation supplies rather than a pure software vendornot Cartesia
- A law firm or court reporting operation needing certified transcripts of depositions with a defensible chain of accuracynot Cartesia
- A market research team transcribing focus groups where speaker separation and verbatim fidelity matter more than turnaround speednot Cartesia
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Cartesia
- Instant and professional voice cloning are gated behind paid Pro and Startup tiers, unavailable on the free plan.
- Voice agent calls carry a separate per-minute usage fee ($0.06/minute) on top of subscription credits.
- Enterprise features like SSO and BAAs require a custom sales conversation rather than self-serve upgrade.
- Free tier concurrency limits (2 TTS, 8 STT concurrent requests) may be restrictive for testing production-like load.
Verbit
- Only a small self-service tier has a published price; the institutional plans that most education buyers actually need are quoted, so budgeting requires a sales cycle and comparison against competitors requires several.
- Accuracy claims are benchmarked on clean audio with standard accents, and real lecture theatre recordings with technical vocabulary and non-native speakers fall well short, so the contracted level and the audio assumptions behind it must be written into the agreement.
- The human correction layer is what delivers the accuracy institutions buy, and it introduces turnaround times measured in hours or days, which does not suit anyone expecting transcripts immediately after a session.
- Cost scales with hours of content, so an institution that recorded everything during remote teaching and never reduced the volume can find transcription costing more than the lecture capture platform generating the recordings.
- Verbit has grown by acquisition and consolidated several transcription brands, and customers of acquired services have been migrated onto Verbit contracts and pricing on the acquirer's timetable rather than their own.
Pricing, plan by plan
Cartesia
Free- FreeFree
- 20,000 credits/month
- TTS and STT included
- 2 concurrent TTS requests, 8 concurrent STT requests
- Pro$4/month
- 100,000 credits/month
- Commercial use license
- Instant voice cloning
- Startup$39/month
- 1.25M credits/month
- Professional voice cloning
- Organizations support
- Scale$239/month
- 8M credits/month
- Priority support
- High concurrency limits
Verbit
$24/month- Standard$24/month
- From $24 per month
- 100 hours per month split as 50 live and 50 post-production
- Self-service sign-up
- Campus Complete$undefined/year
- Unlimited hours for an institution
- Built around media accessibility obligations
- LMS and lecture capture integrations
- Legal Capture and Legal Visor$undefined/year
- Unlimited legal transcription with court-admissible transcripts on request
- Live AI transcription and case insights
- Quoted
- Custom$undefined/year
- Enterprise deployment across the product suite
- Negotiated accuracy levels and turnaround
- Quoted
Which should you pick?
Choose Cartesia if
- You need sonic text-to-speech.
- You want to start without paying.
- You work on web, api.
- You also want ink speech-to-text.
Choose Verbit if
- You need asr with human correction.
- You work on Web, API.
- You also want live realtime captioning.
Questions people ask
- Is Cartesia or Verbit better?
- Neither clearly leads. Cartesia starts at Free and Verbit at $24/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Cartesia or Verbit?
- Cartesia has a free tier; the other does not. Paid plans start at Free for Cartesia and $24/month for Verbit.
- Does Cartesia or Verbit run on more platforms?
- Cartesia runs on web, api. Verbit runs on Web, API.
- Can I use Cartesia for free?
- Yes. Cartesia has a free tier, so you can try it without paying. Verbit starts at $24/month.
- What is Cartesia best used for?
- Cartesia is most often used for building low-latency voice agents for customer support, real-time transcription for conversational applications, voice cloning for branded synthetic voices, on-device or on-premise voice ai for regulated industries. Of those, building low-latency voice agents for customer support and real-time transcription for conversational applications are not what Verbit is typically brought in for.
- What can Cartesia do that Verbit cannot?
- Cartesia covers Sonic text-to-speech, Ink speech-to-text, Line voice agent platform, Instant and professional voice cloning. Verbit covers ASR with human correction, Live realtime captioning, Domain-tuned models, Translation and subtitling.
Answered from the vendors’ own pages
Cartesia: What does Cartesia cost?
Cartesia offers a free plan, Pro at $4/month, Startup at $39/month, Scale at $239/month, and custom Enterprise pricing, each including a monthly credit allotment, with annual billing saving 20%.
SourceVerbit: Is there published pricing?
Only for the entry Standard tier at around $24 a month for 100 hours split between live and post-production. Campus Complete and the legal and media unlimited plans are quoted.
Cartesia: Is there a free plan, and what are its limits?
The Free plan includes 20,000 credits per month, both TTS (Sonic) and STT (Ink), 2 concurrent TTS requests, 8 concurrent STT requests, and 1 voice agent slot.
SourceVerbit: What accuracy does Verbit deliver?
Machine-only output is materially less accurate than the corrected tiers. Accuracy is a contracted service level on the human-corrected plans, and it assumes reasonable audio quality. Negotiate the figure and the remedy, not the marketing number.
Cartesia: How is usage metered?
Usage draws down a monthly credit allotment, with voice agent calls additionally billed at $0.06/minute and telephony via Cartesia phone numbers at $0.014/minute.
SourceVerbit: What is VITAC?
A large North American broadcast captioning business Verbit acquired in 2021. It is why Verbit can supply live realtime captioning at broadcast standard rather than only post-production transcripts.
Verbit: Can I mix machine and human transcription?
Yes, and it is the main reason education buyers choose Verbit: route routine content through machine processing and accommodation-covered content through human correction on the same account.
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