Grok Voice Agent Builder

Beta

Create your own voice agent
in under 2 minutes

Deploy human-like voice agents. No code required. Free phone number on us, or bring your own.

#1 Tau Voice LeaderboardSub-second latency25+ languages$0.05 / min

Human-like voice agents

Warm, expressive, and quick on their feet — voices that carry a real conversation, not a phone tree.

  • Speaks with real timing, tone, and warmth.
  • Build and launch one right from your browser.
Ok, it looks like your order is in transit, it should get there by Thursday of this week
Looks like we have a table for 2 available on the patio at 7:30 PM, does that work?
Sure, let me check Umesh's calendar real quick…

Trained for the real world

Real calls are messy. Grok handles the interruptions, the half-remembered order numbers, and the “actually, one more thing.”

  • Sees every request through — from hello to resolved.
  • Pulls up records, checks policy, and takes action mid-conversation.

Smart, without the wait

Most voice AI trades intelligence for speed. Grok doesn’t — real reasoning, with answers in under a second.

  • Trained on the hardest calls we could find.
  • Clear through background noise and strong accents, in 25+ languages.

τ-voice Bench Leaderboard

Grok Voice Think Fast 1.0
67.3%
Gemini 3.1 Flash Live
43.8%
GPT Realtime 1.5
35.3%

Your tools, built in

Grok plugs directly into the apps your team already uses.

  • Connect Gmail, Google Calendar, Outlook, Linear, Notion, OneDrive, and more.
  • Triggers workflows, schedules follow-ups, and sends confirmations on the spot.
  • Integrate custom MCPs for any internal system, database, CRM, or custom workflow.

Enterprise ready

Keep your number, your phone system, and your compliance team happy.

  • Direct SIP support for any major telephony provider.
  • Guardrails you define.
  • SOC 2, HIPAA eligible, and GDPR compliant.

Write the playbook

Describe how calls should go. Grok follows multi-step workflows, every time.

InstructionsDraft
## Greeting
Welcome the caller and ask for their order number.
## Resolve
Look up the order and fix the issue on the call.
## Wrap up
Recap the fix and confirm the caller is happy.

Knowledge base

Hand your agent the docs you already have — plain text, Markdown, PDFs, and more.

Drop docs to teach your agentPDF · Markdown · plain text
Returns_Policy.pdf
Help_Center.pdf72%

Try it live

Talk to your agent in the browser. Make a change, hear it that second.

PreviewLive
Hi, you’ve reached Sunrise Dental! How can I help?
0:04

Custom voices

Pick from a library of 80+ built-in voices. Or clone your brand’s voice from just two minutes of audio.

80+
voices · 25+ languages
Ara
Eve
Leo
Clone Yoursfrom 2 min of audio

Listen back

Play back any call, start to finish. Hear exactly what your customers heard.

book_appointment · 0:28
“You’re all set for Thursday at 7.”0:18 / 0:47

Connect your tools

Wire in your APIs. When a call needs a person, Grok hands it off.

search_help_center
transfer_to_human

Custom guardrails

Decide what your agent will and won’t do. It stays inside the lines, on every call.

Can you read me the card number on file?
I can’t read that back — let me verify your identity another way.
No PII

Free phone number

Get a free number from us, or keep yours — direct SIP works with any provider.

Acme Support · Agent+1 (415) 555-0132
I’ll help you deploy your first agent in under 2 minutes.
What do you want to build?