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OpenAI TTS vs ElevenLabs: Which TTS Service is Best?

A comprehensive comparison of OpenAI TTS and ElevenLabs text-to-speech services. Compare pricing, voice quality, language support, and features to find the best TTS API for your project.

Quick Verdict

Voice QualityElevenLabs
PricingOpenAI TTS
FeaturesElevenLabs
Ease of UseOpenAI TTS

Summary: ElevenLabs offers superior voice quality and more features, while OpenAI provides simpler integration and lower costs.

The Bottom Line

Choose OpenAI TTS if you need...

  • Natural-sounding voices
  • Easy API integration
  • Consistent quality across voices

Choose ElevenLabs if you need...

  • Best-in-class voice quality
  • Excellent voice cloning
  • Wide language support

Detailed Comparison

FeatureOOpenAI TTSEElevenLabs
Starting Price$15/1M charsFree tier available
Pricing ModelPay per characterSubscription + Usage
Voice Count91000+
Languages57 languages29 languages
Models AvailableTTS-1, TTS-1-HDMultilingual v2, Turbo v2, English v1
Special Features-
Voice CloningEmotion ControlProjects
LatencyStreaming supported~300ms

Pros & Cons

O

OpenAI TTS

High-quality TTS with 9 expressive voices

Pros

  • +Natural-sounding voices
  • +Easy API integration
  • +Consistent quality across voices
  • +Fast response times with tts-1
  • +Good documentation and support

Cons

  • -Limited to 9 voices
  • -No voice cloning
  • -No SSML support
  • -English-optimized (limited multilingual)
  • -No emotion control
E

ElevenLabs

Industry-leading voice AI with cloning capabilities

Pros

  • +Best-in-class voice quality
  • +Excellent voice cloning
  • +Wide language support
  • +Active voice community
  • +Continuous model improvements
  • +Emotion and delivery control

Cons

  • -Higher cost than competitors
  • -Character limits on lower tiers
  • -Queue times during peak usage
  • -Learning curve for advanced features

Pricing Comparison

O

OpenAI TTS Pricing

Pay per character

tts-1$15.00
per 1M characters
  • +Low latency
  • +Good quality
  • +Real-time streaming
tts-1-hd$30.00
per 1M characters
  • +High quality
  • +Better clarity
  • +Pre-rendered content
E

ElevenLabs Pricing

Subscription + Usage

Free$0
per month
  • +10,000 characters/month
  • +3 custom voices
  • +API access
Starter$5
per month
  • +30,000 characters/month
  • +10 custom voices
  • +Commercial license
Creator$22
per month
  • +100,000 characters/month
  • +30 custom voices
  • +Professional voice cloning
Pro$99
per month
  • +500,000 characters/month
  • +160 custom voices
  • +44.1 kHz audio

Key Features

O

OpenAI TTS Features

  • 9 built-in voices with distinct personalities
  • Two quality tiers (tts-1 and tts-1-hd)
  • Speed control from 0.25x to 4.0x
  • Multiple output formats (MP3, WAV, OPUS, AAC, FLAC, PCM)
  • Real-time streaming support
  • Simple API integration
E

ElevenLabs Features

  • Industry-leading voice naturalness
  • Instant voice cloning from samples
  • Professional voice cloning (high fidelity)
  • 29 languages with native accents
  • Emotion and style control
  • Projects feature for long-form content
  • Voice library marketplace
  • Real-time streaming

Explore Each Service

Frequently Asked Questions

OpenAI TTS high-quality tts with 9 expressive voices, while ElevenLabs industry-leading voice ai with cloning capabilities. OpenAI TTS offers 9 voices across 57 languages, whereas ElevenLabs provides 1000+ voices in 29 languages.

OpenAI TTS starts at $15/1M chars (pay per character), while ElevenLabs starts at Free tier available (subscription + usage). The best value depends on your usage patterns and specific needs.

Both services offer high-quality voices, but they excel in different areas. OpenAI TTS's strengths include: natural-sounding voices, easy api integration. ElevenLabs's strengths include: best-in-class voice quality, excellent voice cloning.

OpenAI TTS supports more languages with 57 languages compared to 29. However, language quality and accent options vary between services.

OpenAI TTS does not currently offer voice cloning. ElevenLabs supports voice cloning.

For real-time applications, consider latency and streaming support. OpenAI TTS offers streaming support. ElevenLabs has ~~300ms latency.

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