Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Text-to-Speech Software

Azure AI Speech vs Amazon Polly

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Azure AI Speech #3 in Text-to-Speech Software 9.2/10 Free plan Free plan✓ 2 of 3 features Visit Azure Speech
Amazon Polly #4 in Text-to-Speech Software 9.1/10 Paid ✓ 2 of 3 features Visit Amazon Polly

Azure AI Speech leads on 0 checks, Amazon Polly on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAzure AI Speech · 9.2/10
  • Free planonly Azure AI Speech

Azure AI Speech scores higher on our rubric for text-to-speech software: 9.2 against 9.1 out of 10; our editors rank them #3 and #4.

Azure AI Speech is the better fit for teams needing broad, production-ready TTS. Amazon Polly is the better fit for AWS users needing mature TTS infrastructure.

  • Azure AI Speech fits best

    Teams needing broad, production-ready TTS

  • Amazon Polly fits best

    AWS users needing mature TTS infrastructure

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Azure AI Speech 9.2/10 Visit ↗ Amazon Polly 9.1/10 Visit ↗
At a glance
Editor score 9.2 9.1
Ranking #3 in Text-to-Speech Software #4 in Text-to-Speech Software
Best for Teams needing broad, production-ready TTS AWS users needing mature TTS infrastructure
Pricing model Free plan + paid Paid
Starting price — $4/unit/mo
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Email, Phone, Live chat, Tickets, Community, Docs · 24/7 Phone, Live chat, Tickets, Community, Docs · 24/7
Compliance SOC 2, ISO 27001, GDPR HIPAA
Built for Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Azure AI Speech 2/3 · Amazon Polly 2/3
Commercial use Not checked yet Not checked yet
Voice cloning ✓ ✓
API access ✓ ✓
Specs
Languages Not checked yet 42 languages
Maximum input Not checked yet 6000 characters
Export formats wav, mp3 mp3, ogg_vorbis, ogg_opus, pcm, mu-law, a-law
Platforms web, api web, api
Our review
Pros
  • 500,000 neural TTS characters per month on the Free F0 plan
  • SSML controls cover pronunciation, pacing, styles, roles, and multiple voices
  • Real-time, batch, custom voice, and viseme support cover varied use cases
  • Four voice engines, including neural, long-form, and generative options
  • SSML, pronunciation controls, speech marks, and adjustable delivery settings
  • Streaming, asynchronous synthesis, and broad AWS service integrations
Cons
  • Paid pricing is region-dependent rather than a single published starting amount
  • Its Azure scope may exceed the needs of simple TTS projects
  • The platform is proprietary rather than open source
  • No permanent free plan; free-tier access lasts for the first 12 months
  • Long-Form voices cost $100 per 1 million characters
  • Standard synchronous input is limited to 6,000 total characters
Our verdict

Azure AI Speech is a cloud text-to-speech service from Microsoft for developers and teams building voice applications, narrated content, accessibility features, and audio workflows. It provides neural standard voices, multilingual speech…

Read the review →

Amazon Polly is a managed AWS text-to-speech service for developers and organizations building speech-enabled applications. It converts plain text or SSML into audio through standard, neural, long-form, and generative voice engines. Its…

Read the review →
  1. Azure AI SpeechText-to-Speech Software 9.2Free plan
  2. Amazon PollyText-to-Speech Software 9.1Paid

Strengths and trade-offs

  • Azure AI Speech — where it wins

    • 500,000 neural TTS characters per month on the Free F0 plan
    • SSML controls cover pronunciation, pacing, styles, roles, and multiple voices
    • Real-time, batch, custom voice, and viseme support cover varied use cases

    Where it doesn't

    • Paid pricing is region-dependent rather than a single published starting amount
    • Its Azure scope may exceed the needs of simple TTS projects
    • The platform is proprietary rather than open source

  • Amazon Polly — where it wins

    • Four voice engines, including neural, long-form, and generative options
    • SSML, pronunciation controls, speech marks, and adjustable delivery settings
    • Streaming, asynchronous synthesis, and broad AWS service integrations

    Where it doesn't

    • No permanent free plan; free-tier access lasts for the first 12 months
    • Long-Form voices cost $100 per 1 million characters
    • Standard synchronous input is limited to 6,000 total characters

More comparisons

All Text-to-Speech software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update