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Model comparison
Eleven v4 Turbo vs Eleven v3 Conversational
Compare Eleven v4 Turbo and Eleven v3 Conversational using the same provider-sourced voice & realtime rubric. No mystery score and no invented benchmark ranking.
Quick take
Eleven v4 Turbo
A low-latency speech model for assistants and interactive characters that need an expressive speaking voice.
Best for
- Voice assistants
- Interactive characters
- Multilingual support agents
Watch out for
Measure the complete conversation, not just speech generation. Transcription, reasoning, network travel and playback all add delay. Voice cloning requires the speaker's consent.
Eleven v3 Conversational
ElevenLabs' expressive realtime text-to-speech model for natural dialogue, emotional delivery, audio tags, and more than 70 languages.
Best for
- Expressive support and assistant voices
- Multilingual interactive characters
- Agent stacks that already supply reasoning and tools
Watch out for
It is not a complete speech-to-speech agent by itself. End-to-end latency also includes transcription, LLM response time, transport, and playback.
Compare the published facts
Eleven v4 Turbo vs Eleven v3 Conversational
Values use each provider's own published units and limits. A blank means the provider did not publish a directly comparable value in the sources reviewed.
| Voice & realtime | Eleven v4 Turbo | Eleven v3 Conversational |
|---|---|---|
| Price basisToken-, character-, or minute-based price for the listed access route. | $0.04 / 1,000 characters | $0.04 / 1,000 characters |
| Interaction modeSpeech-to-speech, audio-to-audio, or streamed text-to-speech behavior. | Realtime text-to-speech / text-to-dialogue | Realtime text-to-speech / text-to-dialogue |
| Published latencyProvider-published measurement with its stated exclusions; not a Cody test. | ~100ms median inference (provider-reported) | ~280ms, excluding app/network |
| LanguagesProvider-documented language coverage or a clear unpublished marker. | 90+ languages | 70+ languages |
| Tools & controlNative function calling, reasoning, or speech-control features. | Audio tags, voice cloning and pronunciation dictionaries | Audio tags; orchestration handled by your agent stack |
| Context or input limitDocumented token or character limit where it is meaningful. | Not published | 5K-character guidance for v3 family; verify endpoint |
How to choose
Compare the job, not the hype.
Start with the job you need to complete, then validate cost, access, and policy details on your exact provider route.
Eleven v4 Turbo
ElevenLabs says enterprise customer data is not used for training by default. Other users can opt out of model improvement; enterprise zero-retention and regional environments are available with plan-specific limits.
Eleven v3 Conversational
ElevenLabs says enterprise customer data is not used for training by default. Other users can opt out of model improvement; enterprise zero-retention and regional environments are available with plan-specific limits.
Provider and API links
Frequently asked questions
Eleven v4 Turbo vs Eleven v3 Conversational FAQ
What is the main difference between Eleven v4 Turbo and Eleven v3 Conversational?
Eleven v4 Turbo: A low-latency speech model for assistants and interactive characters that need an expressive speaking voice. Eleven v3 Conversational: ElevenLabs' expressive realtime text-to-speech model for natural dialogue, emotional delivery, audio tags, and more than 70 languages.
Should I choose Eleven v4 Turbo or Eleven v3 Conversational?
Consider Eleven v4 Turbo when your priority is Voice assistants. Consider Eleven v3 Conversational when your priority is Expressive support and assistant voices. Test both with your own data and provider route before committing.
Is this Eleven v4 Turbo vs Eleven v3 Conversational comparison based on Cody benchmarks?
No. This comparison aligns provider-published facts for the Voice & realtime category. It does not claim a universal winner or combine incompatible third-party benchmark scores.