Models

ElevenLabs is the leading provider of AI-powered audio technology. This guide helps developers choose the right model for their use case.

Eleven Multilingual v2

Our most advanced speech synthesis model.

Highest realism, emotional range

Best for voiceovers, audiobooks, content

Eleven Turbo v2.5

High quality, low latency Turbo model

Ultra-low latency (~300ms)

Ideal for real-time, multi-language AI

Flagship Models

Model ID	Description	Max Characters	Languages	Best For
eleven_multilingual_v2	Most life-like, emotionally rich model	10,000	29 languages	Voice overs, audiobooks, content creation
eleven_turbo_v2_5	High quality, low-latency model	40,000	32 languages	Developer use cases requiring speed and multiple languages
eleven_turbo_v2	High quality, low-latency model	30,000	English only	Developer use cases requiring speed (English only)
eleven_english_sts_v2	State-of-the-art speech-to-speech	5,000	English only	Maximum control over content and prosody
eleven_multilingual_sts_v2	Cutting-edge multilingual speech-to-speech	10,000	29 languages	Advanced multilingual speech synthesis with prosody control

Older Models

These models are maintained for backward compatibility but are not recommended for new projects.

Model ID	Description	Max Characters	Languages	Best For
eleven_monolingual_v1	First generation TTS model	10,000	English only	Legacy model (outclassed by newer versions)
eleven_multilingual_v1	First multilingual model	10,000	9 languages	Legacy model (outclassed by newer versions)

Model Selection Guide

Choose your model based on these primary considerations:

1. Latency Requirements

   • Quality over Speed? Use Standard Multilingual models
   • Need real-time? Use Turbo models

2. Language Support

   • English only? → Consider eleven_turbo_v2
   • Multiple languages? → Use eleven_multilingual_v2 or eleven_turbo_v2_5

3. Use Case

   • Content Creation → eleven_multilingual_v2
   • Conversational AI → eleven_turbo_v2_5
   • Professional Voice Clones → Either model
   • Speech to Speech? → eleven_english_sts_v2 or eleven_multilingual_sts_v2 family

For detailed language support information and troubleshooting guidance, refer to our help documentation.