Cartesia vs Synthesia: Which Is Better in 2026?
Cartesia and Synthesia are remarkably close on our rubric — within 0.1 points overall. The choice comes down to your specific use case, not raw quality.
Yan yana
| Metric | Cartesia | Synthesia |
|---|---|---|
| Overall score | 8.7 | 8.6 |
| Voice quality | 9.0 | 8.0 |
| Value | 10.0 | 7.0 |
| UI | 8.0 | 9.0 |
| Free tier | Yes | No |
| Cheapest paid plan | $5/mo | $18/mo |
| Most popular plan | $49/mo | $60/mo |
| Languages supported | 40 | 130 |
| Voices in catalog | 50 | 1000 |
| Voice cloning | Yes | Yes |
| API available | Yes | Yes |
| Emotion control | Yes | Yes |
| Multi-speaker | Yes | Yes |
| Commercial use | Yes | Yes |
| Audio quality | studio-44.1kHz | studio-44.1kHz |
| Output formats | mp3, wav, pcm, ulaw | mp4 |
| Founded | 2023 · United States | 2017 · United Kingdom |
| Enterprise plan | Yes | Yes |
Fiyat kapışması
Cartesia's entry plan undercuts Synthesia by $13 per month — a meaningful gap for indie producers.
Cartesia'ı ne zaman seçmeli
- You're auditioning against human voice talent and need to sound studio-grade.
- Budget is the dominant constraint and you need predictable per-minute economics.
- You're prototyping on a zero budget.
Synthesia'ı ne zaman seçmeli
- You publish in five or more languages and need a single tool that covers all of them.
İlgili karşılaştırmalar
Frequently asked questions
Is Cartesia or Synthesia better for podcast voiceover?
For podcast voiceover, Synthesia edges out Cartesia on our rubric (8.6 vs 8.0). The deciding factor is long-form consistency and natural pacing.
Which one is cheaper?
Cartesia starts at $5/month, cheaper than Synthesia's $18/month entry plan.
Which has more languages?
Cartesia supports 40 languages; Synthesia supports 130. Synthesia is the broader choice for multilingual projects.
Do both offer voice cloning?
Yes — both support voice cloning. Consent requirements apply on both platforms.
Which is better for ivr phone systems?
For ivr phone systems, Cartesia scores 9.4/10 versus Synthesia's 8.6/10 — see our use-case page for the full ranked list.