Grok Voice 3.0
Oct 2026
Grok Voice 3.0Compare inon
Grok Voice 3.0 measured on 19 of 34 Realtime benchmarks19
BenchmarkByScoreRank
Agents8Leads on 1
Multimodal9Leads on 2
Legacy · saturated or no longer reported2
No benchmark matches
$0.08per minute
0.8 sfirst audio?
71.6τ-Voice
Oct 2026released
en, es-MX, es-ES +17Languages
$0.08 / minPer audio minute
Ranking?
Full ranking →Strong at
Alternatives?
ModelScoreCostPriceWhat changes
BetterGemini 3.8 Live+24%——Per audio minute: not verifiedUOpenUltravox Realtime-96%-38%$0.05BetterGemini 3.8 Live Extended Thinkingminimal+11%——Per audio minute: not verifiedSame labGrok Voice 2.0unstated-10%same$0.08Languages: not verified+1ModelScoreCostPriceWhat changes
Nothing here yet.
ModelScoreCostPriceWhat changes
Gemini 3.8 Live+24%——Per audio minute: not verifiedGemini 3.8 Live Extended Thinkingminimal+11%——Per audio minute: not verifiedModelScoreCostPriceWhat changes
UUltravox RealtimeOpen-96%-38%$0.05ModelScoreCostPriceWhat changes
Grok Voice 2.0unstated-10%same$0.08Languages: not verified+1All xAI models →Benchmarks
in Speech & VoiceFull-Duplex-Bench · AA subset v1/v1.597#4
AA Speech Agent Arena · overall · Elo1,064#3
AA Speech Agent Arena · overall · Task Success94.8#1
AA Speech Agent Arena · agentic · Elo1,074.6#2
AA Speech Agent Arena · non-agentic · Elo1,034.7#7
τ-Voice · AA · aggregate71.6#2
τ-Voice · AA · airline69.3#3
τ-Voice · AA · retail66.1#2
τ-Voice · AA · telecom79.5#2
EVA-Bench · EVA-A accuracy pass73.7#1
EVA-Bench · EVA-X experience pass71.2#3
EVA-Bench · response speed2#4
τ³-voice · Sierra · 1.0.1 · custom · retail76.3#2
τ³-voice · Sierra · 1.0.1 · custom · airline80#1
τ³-voice · Sierra · 1.0.1 · custom · telecom82.5#2
τ³-voice · Sierra · 1.0.1 · custom · overall79.6#2
FAQ
How much does Grok Voice 3.0 cost?›
$0.08 per minute.
Is Grok Voice 3.0 free to use?›
There is no free API; it costs $0.08 per minute.
How good is Grok Voice 3.0, and what is it best at?›
#2 of 17 in Realtime. Strongest at: Speech & Voice.
Is Grok Voice 3.0 better than Gemini 3.8 Live Extended Thinking?›
On EVA-Bench · EVA-X experience pass, Grok Voice 3.0 scores 71.2 vs 79.2 — lower.
When was Grok Voice 3.0 released? Is there a newer version?›
Released 2026-10-14. It is the current version in its line.
Is Grok Voice 3.0 open source?›
No, Grok Voice 3.0 is a closed model available through an API. The closest open-weights option here is Ultravox Realtime.
What is Grok Voice 3.0?›
Grok Voice 3.0 is a closed speech & voice model from xAI, released Oct 2026, the successor to Grok Voice Fast 1.0.
What are the best alternatives to Grok Voice 3.0?›
Gemini 3.8 Live (better), Ultravox Realtime (open weights).