ElevenLabs vs. Microsoft Azure AI Speech

The best way to compare ElevenLabs vs. Microsoft Azure AI Speech: audio samples, features, plans, pricing, and more.

Live Demo

  • Non-Fiction
  • Fiction
  • News
  • Blog
  • Conversation

Voice Options

Voice Selection

  • Sierra
  • Autumn
  • Melody
  • Hannah
  • Emily
  • Ivy
  • Kaitlyn
  • Luna
  • Willow
  • Lauren
  • Sierra
  • Noah
  • Jasper
  • Caleb
  • Ronan
  • Ethan
  • Daniel
  • Zane
  • Rowan

Language Options

  • ๐Ÿ‡บ๐Ÿ‡ธ US English
  • ๐Ÿ‡ฌ๐Ÿ‡ง UK English
  • ๐Ÿ‡จ๐Ÿ‡ณ Mandarin Chinese
  • ๐Ÿ‡ฎ๐Ÿ‡ณ Hindi
  • ๐Ÿ‡ช๐Ÿ‡ธ Spanish
  • ๐Ÿ‡ง๐Ÿ‡ท Portuguese
  • ๐Ÿ‡ฏ๐Ÿ‡ต Japanese
  • ๐Ÿ‡ซ๐Ÿ‡ท French
  • ๐Ÿ‡ฎ๐Ÿ‡น Italian

Format Options

  • Standard
  • MP3
  • Phone Call
  • PCM ยต-law

Synthesize Settings

  • Speed: 1.0
  • Pitch:
  • Bitrate: 192k

ElevenLabs

Text to speech API - ElevenLabs
Cutting-edge AI voice synthesis, transforming text into realistic speech with emotion and intonation.

Microsoft Azure AI Speech

Text to speech API - Microsoft Azure AI Speech
Enables your applications, tools, or devices to convert text into human-like synthesized speech.

Voice Quality

ElevenLabs Samples

  • Mean Opinion Score
    • Fiction: 4.54
    • Non-Fiction: 4.19
    • Conversation: 4.22

Microsoft Azure AI Speech Samples

  • Mean Opinion Score
    • Fiction: 3.69
    • Non-Fiction: 3.13
    • Conversation: 3.18

Mean Opinion Score (MOS) is a numerical measure that represents the perceived quality of audio samples, commonly used in evaluating text-to-speech systems. The score ranges from 1 to 5, with 1 indicating poor quality and 5 signifying excellent quality.

Voice Quality - Conclusion

  • Based on the Mean Opinion Scores provided, ElevenLabs demonstrates superior voice quality across fiction, non-fiction, and conversation categories when compared to Microsoft Azure AI Speech.
  • ElevenLabs' scores are consistently above 4.0, indicating a higher level of realism and user satisfaction in its voice synthesis.
  • In contrast, Microsoft Azure AI Speech scores are notably lower, suggesting that its synthesized speech may not be as lifelike or well-received by users.

Features

ElevenLabs Features

  • Voice Cloning
  • Multi-lingual
  • Per-word Timestamps
  • Pitch Control
  • Speed Control
  • Phone Formats (e.g. pcm_mulaw)

Microsoft Azure AI Speech Features

  • Voice Cloning
  • Multi-lingual
  • Per-word Timestamps
  • Pitch Control
  • Speed Control
  • Phone Formats (e.g. pcm_mulaw)

Features - Conclusion

  • Both ElevenLabs and Microsoft Azure AI Speech offer voice cloning and multi-lingual capabilities, catering to a wide range of voice synthesis needs.
  • However, Microsoft Azure AI Speech provides more advanced features such as per-word timestamps, pitch control, and speed control, which can offer users greater flexibility and customization in their text-to-speech projects.

Pricing & Plans

ElevenLabs Pricing

  • Free: $0/mo, 10,000 characters
  • Starter: $5/mo, 30,000 characters
  • Creator: $22/mo, 100,000 characters
  • Independent Publisher: $99/mo, 500,000 characters
  • Growing Business: $330/mo, 2M characters

Microsoft Azure AI Speech Pricing

  • Free: $0/mo, 5 hours of audio (~225K chars)
  • Pay As You Go: $15 per 1M characters

Pricing & Plans - Conclusion

  • Based solely on pricing, Microsoft Azure AI Speech offers a more cost-effective solution.

Customer Reviews

ElevenLabs Reviews

  • Score: 4.4 out of 5
  • Average of 331 ratings from leading review sites.

Microsoft Azure AI Speech Reviews

  • Score: 4.2 out of 5
  • Average of 88 ratings from leading review sites.

Summary

  • ElevenLabs offers superior voice quality with higher Mean Opinion Scores across various categories, making it a strong choice for users prioritizing realism in voice synthesis.
  • However, Microsoft Azure AI Speech provides a more cost-effective and flexible solution, with advanced features and a pricing model that caters to a broader range of users.

Ultimately, the choice between ElevenLabs and Microsoft Azure AI Speech depends on the user's specific needs for voice quality, feature set, and budget considerations.