OpenAI Text-to-Speech vs Elevenlabs

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

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OpenAI Text-to-Speech

Convert text into lifelike spoken audio using one of the six built-in voices.
vs

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 derivedfrom 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

  • Advanced Functionalities: ElevenLabs: 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

$15/mo

  • 1M characters
  • Optimized for speed

Pay As You Go (TTS HD)

$30/mo

  • 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

  • Cost-Effective Solution: OpenAI Text-to-Speech: 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.

Customer Reviews

OpenAI Text-to-Speech Reviews

 out of 5
No items found.

Elevenlabs Reviews

4.8 out of 5
Average of 331 ratings from leading review sites.

Customers appreciate ElevenLabs for its high-quality, realistic voice synthesis and the ease of creating and using different voices. The platform is praised for its user-friendly interface, and excellent customer support. However, some users experience issues with pronunciation, emotional expression, and the pricing model, particularly regarding the cost-effectiveness of character counts and subscription tiers. Additionally, there are occasional technical glitches and a desire for more features like voice tone adjustments and better real-time performance.

No items found.

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Summary

  • Voice Quality and Features: ElevenLabs: 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.
  • Cost-Effectiveness: OpenAI Text-to-Speech: 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.
  • Overall Recommendation: Ultimately, the choice between the two depends on the user's specific needs for voice quality, feature set, and pricing considerations. OpenAI Text-to-Speech is ideal for those who prioritize cost-effectiveness, while ElevenLabs is suitable for users seeking advanced features and superior voice quality.

TTS Property

Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.

Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.

TTS Property

-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.


Our next-gen TTS model surpasses competitors on performance at onespeaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoyspeaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoyspeaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy

Signal Noise Ratio

Signal Noise Ratio

Signal Noise Ratio

The signal-to-noise ratio (SNR) is a crucial metric that measures  the amount of useful information vs. false or irrelevant background noise, frequently measured in decibels (dB). Engineers aim to maximize SNR to enhance system performance by minimizing noise interference.

Do you offer any free credits for TTS & ASR?

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We offer a generous free plan for developers with one month of free:

  • 160 hours of text-to-speech generation
  • 1.2 million characters of speech-to-text transcription

What is the monthly subscription?

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Our monthly plan is $20 per month for

  • 160 hours of text-to-speech generation
  • 1.2 million characters of Speech-to-Text transcription

Once you exceed those limits, you can add $5 top-ups to your plan for

  • additional 30hrs of Text-to-Speech
  • additional 300,000 characters of Speech-to-Text

Do you offer voices & transcription other in languages?

drop-down

We currently only have English voice generation & transcription. But we're working on multilingual voice support, expected to roll out in 2-3 months.

Can I create custom voices (voice cloning)?

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Please contact us at founders@snr.audio with your custom voice (voice cloning) usecase. Once approved by our compliance team, you will get access to your custom voice in under 48-72 hours.

Can I use the generated audio & transcription commercially?

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Yes, audio & transcription generated with Signal Noise Labs can be used commercially. You own the license to the generated content to perpetuity.

How do I cancel my subscription?

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You can cancel your subscription at any time. Go to the Subscription panel in the dashboard and click the "Cancel Subscription" button.

app.snr.audio

SNR.Audio

SNR.Audio - Text to Speech and Speech to Text