Grok Voice 2.0
Grok Voice 2.0Compare inon
Grok Voice 2.0 measured on 19 of 34 Realtime benchmarks19
BenchmarkByScoreRank
Agents8
Multimodal9
Legacy · saturated or no longer reported2
No benchmark matches
$0.08per minute
0.7 sfirst audio?
56.5τ-Voice
—released
session audio; text input charged separatelyPrice covers
Rankingat high effort?
Full ranking →Strong at
Alternatives?
ModelScoreCostPriceWhat changes
BetterGrok Voice 3.0+11%same$0.08UOpenUltravox Realtime-95%-38%$0.05
BetterGemini 3.8 Live+38%——BetterGemini 3.8 Live Extended Thinkingminimal+24%——ModelScoreCostPriceWhat changes
Nothing here yet.
ModelScoreCostPriceWhat changes
Grok Voice 3.0+11%same$0.08Gemini 3.8 Live+38%——Gemini 3.8 Live Extended Thinkingminimal+24%——ModelScoreCostPriceWhat changes
UUltravox RealtimeOpen-95%-38%$0.05Benchmarks
in Speech & Voiceτ³-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 Grok Voice 3.0?›
On EVA-Bench · EVA-X experience pass, Grok Voice 2.0 scores 64.1 vs 71.2 — lower. It is 0% more expensive.
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 Ultravox Realtime.
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?›
Grok Voice 3.0 (better), Ultravox Realtime (open weights).