Grok Voice 3.0
Meet Grok Voice 3.0, the top-ranked speech-to-speech model with sub-second latency, record call resolution, and Voice Agent API access from $0.08/min.
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What Makes Grok Voice 3.0 Stand Out
Grok Voice 3.0 delivers the most advanced speech-to-speech performance, earning the top spot for accuracy, leading latency, and enterprise-grade call resolution.
- Ranked #1 for Speech-to-Speech AccuracyScores 86.9 on Artificial Analysis's Speech-to-Speech Index—the highest overall—combining speech reasoning, τ-Voice, and blind preference testing.
- Full-Duplex Talk in Under a SecondKeeps latency below one second and earns 97% on Full Duplex Bench for smooth pauses, turn-taking, and interruptions.
- Battle-Tested at Tesla and Starlink ScaleHandles millions of daily conversations across Tesla and SpaceX, including 20,000 Starlink support calls, with about 70% resolved without a human.
How to Use Grok Voice 3.0
Follow four steps to deploy the model in your product, from API access to multilingual call automation.
Key Grok Voice 3.0 Capabilities
Benchmarks that matter for production voice agents—accuracy, latency, robustness, and cost—all led by Grok Voice 3.0.
Proven Speech-to-Speech Leadership
Sets a new record for customer support call resolution and ranks #1 on Artificial Analysis's Speech-to-Speech Index at 86.9.
Smooth Turn-Taking and Interruptions
Its 97% Full Duplex Bench score shows how naturally it handles pauses, turn-taking, and interruptions in live calls.
Robust Against Accents, Noise, and Interruptions
On τ-Voice support calls with varied accents, background noise, and interruptions, Grok Voice 3.0 scores 71.6%.
Balances Agent Intelligence and Responsiveness
On τ-Voice it matches GPT-Live-1 (Astra) while running 40% faster, expanding what a smart, responsive agent can do.
Reduces Cost per Task
In Artificial Analysis's Big Bench Audio run, per-task spend is lower than GPT-Live-1 (Astra, Medium) and GPT-Realtime-2.1.
Enterprise-Grade Voice Agent Accuracy
On ServiceNow's EVA-Bench, Grok Voice 3.0 earns the highest accuracy at 74% and the best combined accuracy and customer-experience score.
Grok Voice 3.0: Frequently Asked Questions
Get quick answers on Grok Voice 3.0 accuracy, latency, pricing, and real-world call handling.
What exactly is Grok Voice 3.0?
It's positioned as the world's most intelligent speech-to-speech model, now available in the API at the same price as its predecessor.
How accurate is Grok Voice 3.0?
It ranks #1 on Artificial Analysis's Speech-to-Speech Index at 86.9 and scores 97% on Full Duplex Bench.
How fast is it during live calls?
Latency stays under one second and is 40% lower than GPT-Live-1 (Astra) on τ-Voice.
What does Grok Voice 3.0 cost?
The Voice Agent API remains $0.08 per minute ($4.80 per hour), the same as Grok Voice 2.0.
Can Grok Voice 3.0 handle real support calls?
Yes—Starlink call centers route 20,000 daily customer calls through Grok Voice in multiple languages, with roughly 70% resolved without human handoff.
Do grok-voice-latest agents need any changes?
No—if your agent uses grok-voice-latest, the upgrade already happened automatically and needs no work from you.
Begin Building with Grok Voice 3.0
Deploy the top-ranked speech-to-speech model with sub-second latency, enterprise-scale call resolution, and unchanged $0.08/min Voice Agent API pricing.