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Voice Agent Builder Review

No-code platform to build AI voice agents for customer support and sales in under 2 minutes

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Voice Agent Builder is an Automation tool. No-code platform to build AI voice agents for customer support and sales in under 2 minutes. Key features include No-Code Setup, Knowledge Base Upload, and 80+ Built-In Voices. Best for customer service representatives, sales professionals and business consultants.

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About Voice Agent Builder

Voice Agent Builder is a no-code platform from xAI that lets you create production-ready AI voice agents powered by Grok Voice in under two minutes. Build agents for customer support, sales, and business workflows without coding.

Key Features

<strong>No-Code Setup.</strong> Write a plain-language description of how calls should flow, attach documents, tools, and guardrails, then deploy in about two minutes without writing any code.

<strong>Knowledge Base Upload.</strong> Upload documents in common formats like Word, PowerPoint, Excel, PDFs, Markdown, and JSON, and your agent retrieves information from them during live calls.

<strong>80+ Built-In Voices.</strong> Choose from over 80 expressive voices or clone your brand's voice from just two minutes of audio for consistent, natural-sounding conversations.

<strong>Free Phone Number Included.</strong> Each account includes a free provisioned phone number ready for testing or production traffic, plus direct SIP connectivity for existing telephony systems.

<strong>Call Recording and Transcription.</strong> Every call is automatically recorded and transcribed so you can play back audio, review transcripts, and see which tools the agent used during conversations.

<strong>Transparent Pricing.</strong> Pay a simple flat rate of $0.05 per minute of audio for agents, plus $0.01 per minute for telephony, with no separate platform fees or hidden costs.

Frequently Asked Questions

Voice Agent Builder is a no-code platform from xAI that lets you create AI voice agents powered by Grok Voice. You can build production-ready agents for customer support, sales, and other business workflows in under two minutes without writing code. The platform includes telephony, knowledge retrieval, tools, guardrails, and call recording out of the box.

Voice Agent Builder charges $0.05 per minute of audio for agents, with all voices included and no separate platform fee. Telephony on the free provisioned phone number costs an additional $0.01 per minute. A ten-minute customer support call would cost around $0.60 total.

Voice Agent Builder supports over 25 languages with native-level proficiency. The agents can automatically respond in the language spoken by the user and seamlessly switch languages mid-conversation, making it suitable for global deployments.

Yes, Voice Agent Builder supports direct SIP connectivity so you can connect existing phone numbers from any major telephony provider. Each account also includes a free provisioned phone number that you can use immediately for testing or production traffic.

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