ElevenLabs vs. OpenAI Text-to-Speech

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

Live Demo

Non-Fiction

Fiction

News

Blog

Conversation

0/250

Voice

Sierra

Autumn

Melody

Hannah

Emily

Ivy

Kaitlyn

Luna

Willow

Lauren

Sierra

Noah

Jasper

Caleb

Ronan

Ethan

Daniel

Zane

Rowan

Language

🇺🇸 US English

🇬🇧 UK English

🇨🇳 Mandarin Chinese

🇮🇳 Hindi

🇪🇸 Spanish

🇧🇷 Portuguese

🇯🇵 Japanese

🇫🇷 French

🇮🇹 Italian

Format

Standard

MP3

Phone Call

PCM µ-law

Normal

Speed

1.0

Pitch

Bitrate

192k

128k

96k

64k

48k

32k

16k

Synthesize

Speed

0 s

Filesize

0 kb

ElevenLabs

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

OpenAI Text-to-Speech

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

Voice Quality

ElevenLabs Samples

Mean Opinion Score

Fiction

4.54

Non-Fiction

4.19

Conversation

4.22

OpenAI Text-to-Speech Samples

Mean Opinion Score

Fiction

N/A

Non-Fiction

N/A

Conversation

N/A

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

ElevenLabs Features

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

OpenAI Text-to-Speech Features

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

Features - Conclusion

ElevenLabs offers a more feature-rich text-to-speech service compared to OpenAI Text-to-Speech, including the unique capability of voice cloning and support for phone formats.
However, both services provide multi-lingual support, but lack per-word timestamps, pitch control, and speed control features.
This comparison highlights ElevenLabs' broader feature set, catering to users seeking more advanced options like voice cloning.

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

OpenAI Text-to-Speech Pricing

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

Pricing & Plans - Conclusion

In a direct comparison of pricing for text-to-speech services, OpenAI Text-to-Speech emerges as the more cost-effective option across all usage levels, offering a significantly lower flat rate compared to ElevenLabs' tiered pricing plans.
While ElevenLabs provides a free plan for users with minimal needs, OpenAI's pay-as-you-go plan is better suited for larger volumes of text conversion.
This analysis focuses solely on the financial aspect, highlighting OpenAI Text-to-Speech as the superior choice for users prioritizing budget.

Summary

In comparing ElevenLabs and OpenAI Text-to-Speech services, ElevenLabs stands out for its higher voice quality scores and advanced features, including voice cloning and support for phone formats, making it suitable for users seeking realism and versatility in voice synthesis.
However, OpenAI Text-to-Speech offers a more cost-effective solution with its flat-rate pricing, appealing to users with large volume needs on a budget.
Ultimately, the choice between the two depends on the user's priorities: ElevenLabs for feature richness and voice quality, or OpenAI for budget-friendly scalability.