Cartesia vs Speechmatics: Which Is Better in 2026?
Cartesia scores 8.7/10 against Speechmatics's 7.7 on our rubric, with the gap concentrated in specific areas. Cartesia leads on voice quality (9/10), while Cartesia delivers more for the money (10/10 on value).
Head-to-head
| Metric | Cartesia | Speechmatics |
|---|---|---|
| Overall score | 8.7 | 7.7 |
| Voice quality | 9.0 | 7.0 |
| Value | 10.0 | 9.0 |
| UI | 8.0 | 7.0 |
| Free tier | Yes | Yes |
| Cheapest paid plan | $5/mo | $10/mo |
| Most popular plan | $49/mo | $10/mo |
| Languages supported | 40 | 56 |
| Voices in catalog | 50 | 50 |
| Voice cloning | Yes | No |
| API available | Yes | Yes |
| Emotion control | Yes | No |
| Multi-speaker | Yes | Yes |
| Commercial use | Yes | Yes |
| Audio quality | studio-44.1kHz | studio-44.1kHz |
| Output formats | mp3, wav, pcm, ulaw | wav, mp3 |
| Founded | 2023 · United States | 2006 · United Kingdom |
| Enterprise plan | Yes | Yes |
Pricing showdown
If budget is the deciding factor, Cartesia wins on entry pricing: $5 vs $10/mo.
When to choose Cartesia
- 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 need consented voice cloning for a specific speaker.
When to choose Speechmatics
- You publish in five or more languages and need a single tool that covers all of them.
Related comparisons
Frequently asked questions
Is Cartesia or Speechmatics better for podcast voiceover?
Cartesia (8.0/10) and Speechmatics (7.7/10) are effectively tied for podcast voiceover. Decide on language coverage and editor preference.
Which one is cheaper?
Cartesia starts at $5/month, cheaper than Speechmatics's $10/month entry plan.
Which has more languages?
Cartesia supports 40 languages; Speechmatics supports 56. Speechmatics is the broader choice for multilingual projects.
Do both offer voice cloning?
Cartesia supports voice cloning; Speechmatics does not.
Which is better for ivr phone systems?
For ivr phone systems, Cartesia scores 9.4/10 versus Speechmatics's 8.2/10 — see our use-case page for the full ranked list.