Compare Azure AI Speech

Details side-by-side comparison of Azure AI Speech against top competitors.

Detailed Comparison

Pricing

Model	Pay-as-you-go, per character	Free / Included with Microsoft 365
Starting Price	Not stated on the page we checked	Free (Premium price not stated on the page we checked)
Has Free Version
Plan Summary	Free (F0) Neural: 0.5 million characters a monthPaid rates per 1M characters: dollar amounts not stated on the page we checked	Free editor: export up to 1080p, no watermark, AI voiceover freePremium with Microsoft 365 Personal and Family: up to 4KWork and education options

Other Specifications

Product Type

Text-to-SpeechAPI

Video EditorText-to-Speech

Language Support

Languages Supported	100+ languages and locales (standard voices, Microsoft Learn)	80 languages (vendor figure)
Accent Variety	-	Not stated on the page we checked

Voice Quality

Quality Rating	Not stated on the page we checked	Not stated on the page we checked
Tonal Description	Standard neural voices, HD voices, custom and personal voices	Vendor describes natural-sounding voices; no quality claim is made here.

Voice Count

Total Voices	Not stated on the page we checked	400 (vendor figure)
Categories	Standard neural, HD, custom, personal	AI voices chosen by language

Ease of Use

Usability Rating	Developer-oriented (SDK, REST)	Not stated on the page we checked
User Experience	Audio Content Creation tool in Speech Studio for no-code use	Video editor with a Record and create text to speech panel

Integrations

API Availability	Yes, Speech SDK, REST API and batch synthesis API	Not stated on the page we checked
Platform Integrations	N/A	Microsoft 365Windows app and browser

Use Cases

Primary Use Cases	Chatbots and voice assistantsAudiobooksIn-car navigation	Video voiceoversSlide videosInternal clips
Applications	As listed on Microsoft Learn	Voiceovers for videos edited in Clipchamp.

Text to Speech Features

SSML Support		Not stated on the page we checked
API Access		No
Multi Language
Emotional Impulse	N/A
Voice Cloning		No

Character/Word Limits

Plan Limits	Per-character billing; Chinese characters count as two	Character limit per voiceover varies by language (exact limits not stated on the page we checked)
Monthly Limit	Free (F0) Neural: 0.5 million characters a month	Not stated on the page we checked

Commercial Rights

Included	N/A	Not stated on the page we checked
Licensing Terms	Not stated on the page we checked	Commercial use of text to speech output is not stated on the page we checked.

File Formats

Supported Formats	N/A	MP3 (AI voiceover audio only)
Export Options	Formats not stated on the page we checked; models available at 24 kHz and 48 kHz	MP3 audio and transcripts can be exported for free; video exports 480p to 4K

Customer Support

Support Channels	N/A	Not stated on the page we checked
Priority Support	N/A	Not stated on the page we checked

Choosing the right text-to-speech platform impacts user experience and production costs. Let our comparison guide your decision.