Grok Voice 3.0
Grok Voice 3.0 is the #1 speech-to-speech model: sub-second latency, record call resolution, and Voice Agent API access at $0.08/min.
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Why Choose Grok Voice 3.0
Grok Voice 3.0 is the world's most intelligent speech-to-speech model — ranked #1 for accuracy, class-leading latency, and enterprise call resolution.
- Top-Ranked Speech-to-Speech AccuracyRanks #1 on Artificial Analysis's Speech-to-Speech Index at 86.9, blending speech reasoning, τ-Voice, and blind head-to-head preference.
- Sub-Second, Full-Duplex ConversationsClass-leading latency under one second, plus a 97% Full Duplex Bench score for natural pauses, turn-taking, and interruptions.
- Proven at Tesla and Starlink ScalePowers millions of conversations a day across Tesla and SpaceX, including 20,000 Starlink support calls daily with roughly 70% resolved without a human.
Using Grok Voice 3.0
Four steps to put the model to work in your product, from API access to multilingual call automation.
Top Grok Voice 3.0 Capabilities
The speech-to-speech benchmarks that matter for production voice agents: accuracy, latency, robustness, and cost.
Independent Speech-to-Speech Leadership
Grok Voice 3.0 sets a new record for resolving customer support calls and ranks #1 on Artificial Analysis's Speech-to-Speech Index with 86.9.
Natural Turn-Taking and Interruptions
A 97% Full Duplex Bench score reflects how naturally the model manages pauses, turn-taking, and interruptions in live conversations.
Accent, Noise, and Interruption Robustness
τ-Voice puts agents through support calls featuring varied accents, noisy backgrounds, and interruptions; Grok Voice 3.0 lands at 71.6%.
Agent Intelligence vs. Responsiveness
On τ-Voice it keeps pace with GPT-Live-1 (Astra) while running 40% faster, pushing the frontier of how smart and how responsive an agent can be.
Lower Cost per Task
In the Big Bench Audio run from Artificial Analysis, its per-task spend sits below both GPT-Live-1 (Astra, Medium) and GPT-Realtime-2.1.
Enterprise Voice Agent Accuracy
On ServiceNow's EVA-Bench, Grok Voice 3.0 posts the highest accuracy score at 74% and the best joint accuracy plus customer-experience result.
Grok Voice 3.0 — FAQ
Short answers about Grok Voice 3.0 accuracy, latency, pricing, and real-world call handling.
What is Grok Voice 3.0?
It is announced as the world's most intelligent speech-to-speech model, available today in the API at the same price as its predecessor.
How accurate is the model?
It ranks #1 on Artificial Analysis's Speech-to-Speech Index with 86.9 and also scores 97% on Full Duplex Bench.
How fast is it in live calls?
It has class-leading latency under one second and delivers 40% lower latency than GPT-Live-1 (Astra) on τ-Voice.
How much does Grok Voice 3.0 cost?
Pricing stays flat: the Voice Agent API bills $0.08 per minute ($4.80 per hour), matching what Grok Voice 2.0 charged.
Can it handle real customer support calls?
Yes — Starlink's call centers route 20,000 customer calls a day through Grok Voice in multiple languages, and about seven in ten close without a human stepping in.
Do existing grok-voice-latest agents need changes?
No — if your agent is on grok-voice-latest, the switch already happened behind the scenes and requires no work from you.
Start Building with Grok Voice 3.0
Put the #1 speech-to-speech model to work: sub-second latency, enterprise-scale call resolution, and unchanged $0.08/min Voice Agent API pricing.