Cartesia vs Speechmatics: Which Is Better in 2026?
Cartesia scores 8.2/10 against Speechmatics's 7.5 on our rubric, with the gap concentrated in specific areas. Cartesia leads on voice quality (9/10), while Cartesia delivers more for the money (8/10 on value).
Head-to-head
| Metric | Cartesia | Speechmatics |
|---|---|---|
| Overall score | 8.2 | 7.5 |
| Voice quality | 9.0 | 7.0 |
| Value | 8.0 | 7.0 |
| UI | 8.0 | 7.0 |
| Free tier | Yes | Yes |
| Cheapest paid plan | $4/mo | $0/mo |
| Most popular plan | $39/mo | $1/mo |
| Languages supported | 40 | 50 |
| 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, Speechmatics wins on entry pricing: $0 vs $4/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 prefer Speechmatics's editorial direction or have an existing workflow built around it.
Related comparisons
Frequently asked questions
Is Cartesia or Speechmatics better for podcast voiceover?
For podcast voiceover, Cartesia edges out Speechmatics on our rubric (8.0 vs 7.5). The deciding factor is long-form consistency and natural pacing.
Which one is cheaper?
Speechmatics starts at $0/month, cheaper than Cartesia's $4/month entry plan.
Which has more languages?
Cartesia supports 40 languages; Speechmatics supports 50. 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.