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Model comparison
Eleven v3 Conversational vs Grok Voice 2.0
Compare Eleven v3 Conversational and Grok Voice 2.0 using the same provider-sourced voice & realtime rubric. No mystery score and no invented benchmark ranking.
Quick take
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.
Grok Voice 2.0
Previous-generation Grok voice model, deprecated in favor of Grok Voice 3.0.
Best for
- Realtime voice agents with tools
- Minute-based call-cost planning
- Teams using SpaceXAI's model and search stack
Watch out for
Deprecated: choose Grok Voice 3.0 for new integrations. The grok-voice-latest alias no longer selects this version.
Compare the published facts
Eleven v3 Conversational vs Grok Voice 2.0
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 v3 Conversational | Grok Voice 2.0 |
|---|---|---|
| Price basisToken-, character-, or minute-based price for the listed access route. | $0.04 / 1,000 characters | $0.08 / audio minute |
| Interaction modeSpeech-to-speech, audio-to-audio, or streamed text-to-speech behavior. | Realtime text-to-speech / text-to-dialogue | Realtime speech-to-speech with tools |
| Published latencyProvider-published measurement with its stated exclusions; not a Cody test. | ~280ms, excluding app/network | Sub-second provider claim |
| LanguagesProvider-documented language coverage or a clear unpublished marker. | 70+ languages | Exact supported list not published here |
| Tools & controlNative function calling, reasoning, or speech-control features. | Audio tags; orchestration handled by your agent stack | Realtime tool use |
| Context or input limitDocumented token or character limit where it is meaningful. | 5K-character guidance for v3 family; verify endpoint | Not published |
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 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
Grok Voice 2.0
SpaceXAI says it does not train on API inputs or outputs without explicit permission. Default encrypted retention is 30 days; team-level zero data retention is available with feature tradeoffs.
Provider and API links
Frequently asked questions
Eleven v3 Conversational vs Grok Voice 2.0 FAQ
What is the main difference between Eleven v3 Conversational and Grok Voice 2.0?
Eleven v3 Conversational: ElevenLabs' expressive realtime text-to-speech model for natural dialogue, emotional delivery, audio tags, and more than 70 languages. Grok Voice 2.0: Previous-generation Grok voice model, deprecated in favor of Grok Voice 3.0.
Should I choose Eleven v3 Conversational or Grok Voice 2.0?
Consider Eleven v3 Conversational when your priority is Expressive support and assistant voices. Consider Grok Voice 2.0 when your priority is Realtime voice agents with tools. Test both with your own data and provider route before committing.
Is this Eleven v3 Conversational vs Grok Voice 2.0 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.