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OpenAI Text-to-Speech vs. ElevenLabs

The best way to compare OpenAI Text-to-Speech vs. ElevenLabs: audio samples, features, plans, pricing, and more.

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Fiction
News
Blog
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Text to speech API - OpenAI Text-to-Speech

OpenAI Text-to-Speech

Convert text into lifelike spoken audio using one of the six built-in voices.
Text to speech API - ElevenLabs

ElevenLabs

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

Voice Quality

OpenAI Text-to-Speech Samples

Mean Opinion Score
Fiction
N/A
Non-Fiction
N/A
Conversation
N/A

ElevenLabs Samples

Mean Opinion Score
Fiction
4.54
Non-Fiction
4.19
Conversation
4.22
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. These scores are derived from comprehensive, professionally-conducted evaluations, and are anonymized to ensure unbiased results.

Features

OpenAI Text-to-Speech Features

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

ElevenLabs Features

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

Features - Conclusion

  • In comparing the features of OpenAI Text-to-Speech and ElevenLabs, it's evident that ElevenLabs offers a broader range of functionalities, including voice cloning, support for phone formats, and the ability to produce speech in multiple languages.
  • While both services support multi-lingual capabilities, ElevenLabs distinguishes itself with additional features that enhance the customization and realism of the generated speech, such as voice cloning.
  • However, OpenAI Text-to-Speech lacks several advanced features found in ElevenLabs, such as voice cloning and support for phone formats, indicating a more basic service offering in terms of speech synthesis customization and output options.

Pricing & Plans

OpenAI Text-to-Speech Pricing

Pay As You Go
$15per
1M characters
Optimized for speed
Pay As You Go (TTS HD)
$30per
1M characters
Optimized for quality

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

Pricing & Plans - Conclusion

  • In a direct comparison of pricing between OpenAI Text-to-Speech and ElevenLabs, OpenAI offers a more cost-effective solution at $15 per million characters, significantly lower than ElevenLabs' most affordable plan for high usage, which is priced at $165 per million characters for the "Growing Business" plan.
  • While ElevenLabs provides a free tier for very low usage, OpenAI's straightforward and lower pricing makes it the better value for users at all levels of consumption.
  • This makes OpenAI Text-to-Speech the more economical choice for users seeking a balance between cost and usage.

Compare Alternatives

OpenAI Text-to-Speech Alternatives

OpenAI Text-to-Speech vs. Unreal Speech
OpenAI Text-to-Speech vs. Amazon Polly
OpenAI Text-to-Speech vs. Play.ht
OpenAI Text-to-Speech vs. Google Cloud Text-to-Speech
OpenAI Text-to-Speech vs. Microsoft Azure AI Speech
OpenAI Text-to-Speech vs. Murf API
OpenAI Text-to-Speech vs. Neets.ai
OpenAI Text-to-Speech vs. IBM Watson
OpenAI Text-to-Speech vs. Resemble.AI
OpenAI Text-to-Speech vs. LOVO AI
OpenAI Text-to-Speech vs. Deepgram Aura

ElevenLabs Alternatives

ElevenLabs vs. Unreal Speech
ElevenLabs vs. Amazon Polly
ElevenLabs vs. Play.ht
ElevenLabs vs. Google Cloud Text-to-Speech
ElevenLabs vs. Microsoft Azure AI Speech
ElevenLabs vs. Murf API
ElevenLabs vs. Neets.ai
ElevenLabs vs. IBM Watson
ElevenLabs vs. Resemble.AI
ElevenLabs vs. LOVO AI
ElevenLabs vs. Deepgram Aura

Summary

  • When comparing OpenAI Text-to-Speech and ElevenLabs, it's clear that ElevenLabs leads in voice quality and features, offering more advanced options like voice cloning and support for phone formats, alongside higher mean opinion scores for its voice samples.
  • However, OpenAI Text-to-Speech presents a more cost-effective solution with its straightforward pricing model, making it an attractive option for users prioritizing budget over advanced features.
  • Ultimately, the choice between the two depends on the user's specific needs for voice quality, feature set, and pricing considerations.

Looking for a better alternative to OpenAI Text-to-Speech & ElevenLabs?

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