Grok Voice 3.0
Grok Voice 3.0 powers real-time voice agents with under-one-second replies, strong live-call completion, and developer API pricing at eight cents per minute.
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Grok Voice 3.0 Strengths for Real-Time Call Automation
Grok Voice 3.0 pairs leading conversational accuracy with under-one-second response times and proven enterprise call handling.
- Leading Conversational AccuracyScores 86.9 on the Artificial Analysis Speech-to-Speech Index, combining speech reasoning, τ-Voice, and blind preference testing.
- Under-One-Second, Natural ConversationsKeeps response latency below one second and earns 97% on Full Duplex Bench for smooth pauses, turn-taking, and interruptions.
- Validated at Tesla and Starlink ScaleHandles millions of daily conversations across Tesla and SpaceX, including 20,000 Starlink support calls each day, with about 70% closed without a person.
How to Use Grok Voice 3.0
Four practical steps to launch the model in your product, from API setup to multilingual call handling.
Grok Voice 3.0 Capabilities That Matter
Key conversational benchmarks for live voice agents: accuracy, response speed, robustness, and cost efficiency.
Independent Conversational Leadership
Grok Voice 3.0 sets a new record for customer support call resolution and scores 86.9 on the Artificial Analysis Speech-to-Speech Index.
Smooth Turn-Taking and Interruptions
A 97% Full Duplex Bench score shows how naturally the model handles pauses, turn-taking, and interruptions in live calls.
Robust Against Accents, Noise, and Interruptions
τ-Voice tests agents with varied accents, noisy backgrounds, and interruptions; Grok Voice 3.0 reaches 71.6%.
Balancing Agent Intelligence and Responsiveness
On τ-Voice it matches GPT-Live-1 (Astra) while running 40% faster, advancing how smart and responsive an agent can be.
Lower Spend per Task
In Artificial Analysis's Big Bench Audio run, per-task spend comes in below GPT-Live-1 (Astra, Medium) and GPT-Realtime-2.1.
Enterprise Call Accuracy
On ServiceNow's EVA-Bench, Grok Voice 3.0 earns the highest accuracy at 74% and the best combined accuracy plus customer-experience result.
Grok Voice 3.0 Questions Answered
Quick answers on Grok Voice 3.0 accuracy, response speed, pricing, and live call handling.
What exactly is Grok Voice 3.0?
It is introduced as the most intelligent conversational speech model, now available in the API at the same rate as the previous version.
How accurate is Grok Voice 3.0?
It scores 86.9 on the Artificial Analysis Speech-to-Speech Index and reaches 97% on Full Duplex Bench.
How fast does it respond in live calls?
Response time stays below one second and is 40% lower than GPT-Live-1 (Astra) on τ-Voice.
What does Grok Voice 3.0 cost?
Pricing remains unchanged: the developer API bills eight cents 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 customer calls daily through Grok Voice in multiple languages, with about seven in ten resolved without a human.
Do grok-voice-latest agents need changes?
No. If your agent targets grok-voice-latest, the switch already occurred automatically and requires no action from you.
Launch Your Grok Voice 3.0 Agent
Deploy the conversational model now: under-one-second responses, enterprise call handling, and unchanged eight-cents-per-minute API pricing.