Cartesia review (2026)
Ultra-low-latency real-time TTS built for voice agents and interactive apps.
Última actualización 21 de mayo de 2026
Datos rápidos
- Fundación
- 2023
- País
- United States
- Precios
- freemium
- Plan gratuito
- Sí
- Idiomas
- 40
- Voces
- 50
- API
- Sí
- From
- $4/mo
Puntos fuertes
- Production-ready audio out of the box, with minimal post-processing required.
- Broad multilingual reach (40+ languages) makes it a one-stop tool for global production.
- Generous free tier means you can evaluate end-to-end before committing to a paid plan.
Puntos débiles
- No major weaknesses on our rubric — this is a balanced top-tier pick.
Detalle de precios
| Plan | Price | Best for |
|---|---|---|
| Free | $0 | 20,000 model credits per month plus $1 prepaid for agents. Personal use only; Discord support. |
| Entry | $4/mo | Indie creators, hobby projects, evaluation beyond the free tier. |
| Pro | $39/mo | Production teams, commercial use, higher quota. |
| Enterprise | Contact sales | SSO, SLA, custom limits, procurement workflows. |
Mejor para
Reseña completa
Cartesia was founded in 2023 by Stanford AI researchers — including Albert Gu, co-author of the Mamba state-space architecture — and is backed by a16z, Index Ventures, Lightspeed, and NVIDIA. The flagship Sonic-3 model targets real-time use cases: voice agents, IVR, live translation, and conversational AI. Instant voice cloning works from a 10-second sample; Pro Voice Clones are fine-tuned for commercial production. Pricing is credit-based and unusually founder-friendly for production-grade TTS (Pro at $4/mo, Startup at $39/mo) with an enterprise tier on top.
Where Cartesia fits the market is straightforward — developer-facing platform for product builders.
Choose Cartesia for premium, top-of-the-line voice output; look elsewhere if you need the absolute lowest-cost option.
Enlace de afiliado. Metodología: we test every tool on real production tasks. Scores update as tools ship features.
Preguntas frecuentes
Is Cartesia free?
Yes — Cartesia offers a free tier. 20,000 model credits per month plus $1 prepaid for agents. Personal use only; Discord support. The cheapest paid plan starts at $4/month.
What languages does Cartesia support?
Cartesia supports 40 languages, including en, de, tr, es, fr, pt and more. For multilingual projects, check the official language matrix on the tool's site for the latest list.
Does Cartesia offer voice cloning?
Yes — Cartesia supports voice cloning. Like all reputable platforms, it requires consent recordings and may restrict cloning third-party voices.
Is Cartesia good for audiobooks?
It depends on your priorities. On our rubric, Cartesia scores 8.2/10 overall, with 9/10 on voice quality and 8/10 on value. For production-grade voice work, it's an excellent choice.
What are the best Cartesia alternatives?
Strong alternatives in 2026 include Murf, Microsoft Azure TTS, LOVO, ElevenLabs. See our full alternatives page for side-by-side scores and a pick by use case.