Grok Voice 2.0

Grok Voice 2.0
Compare in
on
$0.08per minute
0.7 sfirst audio?
56.5τ-Voice
—released
session audio; text input charged separatelyPrice covers

Rankingat high effort?

Full ranking →
1StepAudio 3 Realtime Preview99.72Qwen Audio 3.0 Realtime Plus99.23Eleven Realtime v1 Max98.84Qwen 3.5 Omni Plus Realtime98.75Grok Voice 3.098.5
···
7Step-Audio R1.197.68Grok Voice 2.097.29GPT Realtime 296.6

Strong at

A
Speech & Voice#4 of 17

Benchmarks

in Speech & Voice
τ³-voice · Sierra · 1.0.1 · standard · retail59.6#2
τ³-voice · Sierra · 1.0.1 · standard · airline56#2
τ³-voice · Sierra · 1.0.1 · standard · telecom71.9#2
τ³-voice · Sierra · 1.0.1 · standard · overall62.5#2

FAQ

How much does Grok Voice 2.0 cost?›

$0.08 per minute.

Is Grok Voice 2.0 free to use?›

There is no free API; it costs $0.08 per minute.

How good is Grok Voice 2.0, and what is it best at?›

#4 of 17 in Realtime. Strongest at: Speech & Voice.

Is Grok Voice 2.0 better than Step-Audio R1.1?›

On Big Bench Audio · AA v1.2, Grok Voice 2.0 scores 97.2 vs 97.6 — about the same.

Is Grok Voice 2.0 open source?›

No, Grok Voice 2.0 is a closed model available through an API. The closest open-weights option here is Step-Audio R1.1.

What is Grok Voice 2.0?›

Grok Voice 2.0 is a closed speech & voice model from xAI.

What are the best alternatives to Grok Voice 2.0?›

GPT Live 1 (cheaper), StepAudio 3 Realtime Preview (better), Step-Audio R1.1 (open weights).