Microsoft Azure TTS vs Synthesia: Which Is Better in 2026?
Microsoft Azure TTS and Synthesia are remarkably close on our rubric — within 0.1 points overall. Decide on language coverage and budget — they'll do the work the same way.
Head-to-head
| Metric | Microsoft Azure TTS | Synthesia |
|---|---|---|
| Overall score | 8.2 | 8.1 |
| Voice quality | 8.0 | 8.0 |
| Value | 9.0 | 6.0 |
| UI | 6.0 | 9.0 |
| Free tier | Yes | Yes |
| Cheapest paid plan | $4/mo | $29/mo |
| Most popular plan | $16/mo | $89/mo |
| Languages supported | 142 | 130 |
| Voices in catalog | 500 | 400 |
| Voice cloning | Yes | Yes |
| API available | Yes | Yes |
| Emotion control | Yes | Yes |
| Multi-speaker | Yes | Yes |
| Commercial use | Yes | Yes |
| Audio quality | studio-48kHz | studio-44.1kHz |
| Output formats | mp3, wav, ogg, pcm | mp4 |
| Founded | 1975 · United States | 2017 · United Kingdom |
| Enterprise plan | Yes | Yes |
Pricing showdown
If budget is the deciding factor, Microsoft Azure TTS wins on entry pricing: $4 vs $29/mo.
When to choose Microsoft Azure TTS
- You're shipping high volume — the price-per-character math favors Microsoft Azure TTS as you scale.
When to choose Synthesia
- You prefer Synthesia's editorial direction or have an existing workflow built around it.
Related comparisons
Frequently asked questions
Is Microsoft Azure TTS or Synthesia better for podcast voiceover?
Microsoft Azure TTS (8.2/10) and Synthesia (8.1/10) are effectively tied for podcast voiceover. Decide on language coverage and editor preference.
Which one is cheaper?
Microsoft Azure TTS starts at $4/month, cheaper than Synthesia's $29/month entry plan.
Which has more languages?
Microsoft Azure TTS supports 142 languages; Synthesia supports 130. Microsoft Azure TTS 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 e learning courses?
For e learning courses, Microsoft Azure TTS scores 8.4/10 versus Synthesia's 9.2/10 — see our use-case page for the full ranked list.