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 →
1Grok Voice 3.086.92GPT Live 183.23Gemini 3.8 Live Extended Thinking82.64Grok Voice 2.081.35Gemini 3.8 Live76

Strong at

A
Speech & Voice#4 of 17

Alternatives?

ModelScoreCostPriceWhat changes
CheaperGPT Live 1medium+2%-38%$0.05BetterGrok Voice 3.0+7%same$0.08

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 Gemini 3.8 Live Extended Thinking?›

On AA Speech to Speech Index v2.0, Grok Voice 2.0 scores 81.3 vs 82.6 — lower.

Is Grok Voice 2.0 open source?›

No, Grok Voice 2.0 is a closed model available through an API.

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), Grok Voice 3.0 (better).