Grok Voice 3.0
Grok Voice 3.0 turns live speech into action: lightning-fast, full-duplex voice agents that resolve real customer calls at $0.08 per minute.
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Why Teams Pick Grok Voice 3.0
Engineered for live conversation, Grok Voice 3.0 pairs deep speech reasoning with near-instant replies, so your agents sound human and close calls faster.
- Best-in-Class Speech-to-Speech AccuracySitting first on Artificial Analysis's Speech-to-Speech Index with 86.9, it fuses speech reasoning, τ-Voice results, and blind head-to-head preference.
- Full-Duplex Replies in Under a SecondLatency stays below one second, and a 97% Full Duplex Bench score means pauses, turn-taking, and interruptions all feel completely natural.
- Battle-Tested at Tesla and StarlinkIt handles millions of daily conversations across Tesla and SpaceX, including 20,000 Starlink support calls a day — around 70% resolved with no human.
How to Deploy Grok Voice 3.0
From API keys to multilingual call automation — four practical steps for shipping the model inside your own product.
Core Strengths of Grok Voice 3.0
The benchmarks that decide whether a voice agent survives production: accuracy, responsiveness, robustness, and cost per task.
Record Call Resolution, Verified Independently
Grok Voice 3.0 sets a new benchmark for closing support calls and holds first place on Artificial Analysis's Speech-to-Speech Index at 86.9.
Turn-Taking That Feels Human
A 97% score on Full Duplex Bench shows how smoothly the model handles pauses, hands the floor back, and absorbs interruptions mid-sentence.
Steady Under Accents and Noise
τ-Voice stress-tests agents with heavy accents, noisy backgrounds, and interruptions; Grok Voice 3.0 reaches 71.6%.
Smart and Fast at the Same Time
On τ-Voice it matches GPT-Live-1 (Astra) while finishing 40% quicker, widening what an agent can be both intelligent and instant.
Leaner Spend per Task
In Artificial Analysis's Big Bench Audio run, per-task cost comes in under both GPT-Live-1 (Astra, Medium) and GPT-Realtime-2.1.
Enterprise-Grade Support Accuracy
On ServiceNow's EVA-Bench it earns the top accuracy figure at 74% and the strongest combined accuracy and customer-experience result.
Grok Voice 3.0 Questions, Answered
Quick answers on accuracy, response speed, per-minute pricing, and how the model performs on real customer calls.
What exactly is Grok Voice 3.0?
It is positioned as the most intelligent speech-to-speech model available, and it ships in the API at the same rate as the previous generation.
How accurate is it in practice?
It holds the #1 spot on Artificial Analysis's Speech-to-Speech Index at 86.9 and scores 97% on Full Duplex Bench.
What latency can I expect on live calls?
Replies land in under a second, and on τ-Voice it runs 40% faster than GPT-Live-1 (Astra).
What does Grok Voice 3.0 cost?
Nothing changed on price: the Voice Agent API bills $0.08 per minute, or $4.80 per hour, the same as Grok Voice 2.0.
Does it cope with real support traffic?
It does. Starlink contact centers route 20,000 calls a day through it in several languages, and roughly seven in ten resolve without a human.
Will existing grok-voice-latest agents break?
No. If your agent already targets grok-voice-latest, the upgrade rolled out silently and requires no changes on your side.
Put Grok Voice 3.0 to Work
Deploy the leading speech-to-speech model today: under-a-second responses, enterprise call resolution, and a flat $0.08/min Voice Agent API rate.