Cartesia Review 2026: API-First Voice and Agent Pricing
Verdict: Cartesia belongs in the stack when voice is a feature of your product rather than a task you do occasionally. The free 20,000 credits a month with unlimited seats makes it safe to prototype on, Pro at $5 lifts that to 100,000, and the real decision point is Startup at $49 if you are running a voice agent in production, where $0.06 per minute and per-tier concurrency matter more than the subscription. Choose ElevenLabs for the broadest voice library and cloning quality, Murf or Typecast for creator video work, and WellSaid for governed per-seat rollouts. 4.1/5
Our six-dimension assessment
We evaluate every tool on the same six dimensions so scores stay comparable across categories: core features, ease of use, stability, collaboration, localization, and value for money. Cartesia scored 4.1/5 overall.
The core feature set of Cartesia is what most buyers evaluate first. Our score of 4/5 reflects a mature, complete implementation.
A 4/5 for ease of use means new users can be productive quickly, with little training.
Stability at 4/5 reflects consistent performance and few reliability concerns in testing.
Collaboration scores 4/5 — a strong fit for team workflows with shared spaces and permissions.
Localization at 3/5 covers mostly English-first workflows with limited locale coverage.
Value for money scores 4/5 — the pricing is competitive against direct alternatives.
Pricing and plans
Free plan $0 (20k credits/mo) · Pro $5/mo (100k) · Startup $49/mo (1.25M) · Scale $299/mo (8M) · agents $0.06/min
| Item | Detail |
|---|---|
| Free plan | Yes |
| Paid plans from | $5/mo (Pro, 100k credits) |
| Billed monthly | Free $0 (20k credits/mo) · Pro $5/mo (100k credits) · Startup $49/mo (1.25M) · Scale $299/mo (8M) · Enterprise custom |
| Billed annually | No annual pricing published on the pricing page; monthly rates shown |
| Billing notes | Workspace seats are unlimited on every plan. Credits cover text-to-speech, speech-to-text and voice agents; prepaid agent minutes run $1 on Free, $5 on Pro, $49 on Startup, $299 on Scale. Live agent calls are $0.06/min plus $0.014/min telephony, with per-plan concurrent-call and provisioned-number limits. |
| Last verified | 2026-09-30 |
Workspace seats are unlimited on every plan. Credits cover text-to-speech, speech-to-text and voice agents; prepaid agent minutes run $1 on Free, $5 on Pro, $49 on Startup, $299 on Scale. Live agent calls are $0.06/min plus $0.014/min telephony, with per-plan concurrent-call and provisioned-number limits. — verified on the official pricing page (2026-09-30).
Cartesia offers a genuinely free entry point, which makes it low-risk to trial before committing budget.
Who is Cartesia for?
The free 20,000 credits a month with unlimited seats makes it safe to prototype on, Pro at $5 lifts that to 100,000, and the real decision point is Startup at $49 if you are running a voice agent in production, where $0.06 per minute and per-tier concurrency matter more than the subscription.
If your team matches the profile above — AI Voice Generation use cases where a free entry helps you de-risk the decision — Cartesia is worth a structured trial. If not, the comparison below points to alternatives.
Strengths (per official docs)
- Unlimited workspace seats on every plan, so inviting contractors or the whole company costs nothing extra
- Voice agents are billed per minute at $0.06 plus $0.014 telephony, with concurrency and provisioned numbers rising by tier
- Sub-100 ms time-to-first-audio on the conversational model and instant voice cloning from a short sample
Limitations (per official docs)
- No visual browser studio comparable to Murf, so it is a poor fit for one-off voiceover work
- Non-English voice coverage is narrower than the studio-first tools in this comparison
- Credit allowances are abstract, and a busy production integration can consume 100,000 credits far faster than expected
Scorecard
Priced for shipping voice into a product rather than for making a voiceover: sub-100 ms time-to-first-audio, instant and professional cloning, unlimited workspace seats and per-minute agent billing. There is no browser studio to speak of, and non-English voice coverage is narrower than the studio-first tools.
Evidence: verified against official documentation & pricing pages cartesia.ai (checked 2026-09-30)
Frequently asked questions
Is Cartesia worth it in 2026?
Based on our six-dimension scoring (4.1/5 overall), Cartesia is a strong, well-rounded pick in the AI Voice Generation space. The verdict above summarizes where it wins and where to be careful.
How does Cartesia compare to alternatives?
See our AI Voice Generation comparison for a side-by-side rating, pricing, and free-tier review.
Does Cartesia have a free plan?
Yes — Cartesia offers a free tier, which is the best way to validate it before paying.
How credible is this review?
How this review was made: for Cartesia, the evidence is based on official documentation. See our methodology for details.