Amazon Polly vs Microsoft Azure TTS: Which Is Better in 2026?
Microsoft Azure TTS scores 8.2/10 against Amazon Polly's 7.7 on our rubric, with the gap concentrated in specific areas. If voice quality is the deciding factor, Microsoft Azure TTS (8/10) is the safer pick; if you're price-sensitive, Amazon Polly is the better value (9/10).
Head-to-head
| Metric | Amazon Polly | Microsoft Azure TTS |
|---|---|---|
| Overall score | 7.7 | 8.2 |
| Voice quality | 7.0 | 8.0 |
| Value | 9.0 | 9.0 |
| UI | 6.0 | 6.0 |
| Free tier | Yes | Yes |
| Cheapest paid plan | $4/mo | $4/mo |
| Most popular plan | $16/mo | $16/mo |
| Languages supported | 40 | 142 |
| Voices in catalog | 100 | 500 |
| Voice cloning | No | Yes |
| API available | Yes | Yes |
| Emotion control | Yes | Yes |
| Multi-speaker | Yes | Yes |
| Commercial use | Yes | Yes |
| Audio quality | studio-24kHz | studio-48kHz |
| Output formats | mp3, wav, ogg, pcm | mp3, wav, ogg, pcm |
| Founded | 1994 · United States | 1975 · United States |
| Enterprise plan | Yes | Yes |
Pricing showdown
Amazon Polly's entry plan undercuts Microsoft Azure TTS by $0 per month — a meaningful gap for indie producers.
When to choose Amazon Polly
- You prefer Amazon Polly's editorial direction or have an existing workflow built around it.
When to choose Microsoft Azure TTS
- You're auditioning against human voice talent and need to sound studio-grade.
- You're localizing for global markets and want one workflow per language family.
- Voice cloning is part of your workflow — Microsoft Azure TTS supports it, Amazon Polly does not.
Related comparisons
Frequently asked questions
Is Amazon Polly or Microsoft Azure TTS better for podcast voiceover?
For podcast voiceover, Microsoft Azure TTS edges out Amazon Polly on our rubric (8.2 vs 7.7). The deciding factor is long-form consistency and natural pacing.
Which one is cheaper?
Both tools start at $4/month for the entry plan — pricing is effectively tied at the low end.
Which has more languages?
Amazon Polly supports 40 languages; Microsoft Azure TTS supports 142. Microsoft Azure TTS is the broader choice for multilingual projects.
Do both offer voice cloning?
Microsoft Azure TTS supports voice cloning; Amazon Polly does not.
Which is better for ivr phone systems?
For ivr phone systems, Amazon Polly scores 8.8/10 versus Microsoft Azure TTS's 9.0/10 — see our use-case page for the full ranked list.