--- title: "Grok Phone Calls: Bot, Voice API & Builder Explained" description: "Grok Bot, the Voice Agent API and the Voice Agent Builder explained: what each does, $0.08/min pricing, what is live today, and the US rules on AI calls." url: https://skipcall.io/en/blog/grok-phone-calls-guide language: en last_updated: 2026-11-03 --- [Ask Claude about this article](https://claude.ai/new?q=I'm%20reading%20%22Grok%20and%20Phone%20Calls%3A%20The%20Complete%202026%20Guide%22%20\(https%3A%2F%2Fskipcall.io%2Fen%2Fblog%2Fgrok-phone-calls-guide\).%20Read%20the%20article%2C%20then%20answer%20my%20questions%20about%20it.) [Ask ChatGPT about this article](https://chatgpt.com/?q=I'm%20reading%20%22Grok%20and%20Phone%20Calls%3A%20The%20Complete%202026%20Guide%22%20\(https%3A%2F%2Fskipcall.io%2Fen%2Fblog%2Fgrok-phone-calls-guide\).%20Read%20the%20article%2C%20then%20answer%20my%20questions%20about%20it.) LinkedIn X [Back to blog](https://skipcall.io/en/blog) Voice AI Published 3 November 2026 # Grok and Phone Calls: The Complete 2026 Guide Grok, xAI's assistant, now works on the phone in three different ways: Grok Bot places calls for you, the Voice Agent API gives developers a real-time voice, and the Voice Agent Builder turns a plain-English brief into an agent on a phone number. What each one does, what it costs, what is live today, and which US rules apply. 3 Grok phone products: Grok Bot for consumers, plus the Voice Agent API and the Voice Agent Builder for businesses $0.08 per minute of conversation for both the Voice Agent API and the Builder as of November 2026, with no platform fee < 1 sec response time xAI claims for Grok Voice 3.0, the voice engine released on October 14, 2026 Can Grok make phone calls? For businesses, yes, today: xAI sells a voice API and a no-code agent builder that both run on real phone lines at $0.08 a minute. For consumers, Elon Musk announced on October 25, 2026 that Grok Bot can call people and businesses on your behalf, but that feature is not documented yet. Grok and phone calls is a fast-moving topic, and most of what circulates mixes launch-day numbers with rumors. This guide sorts it out: the three products, who each one is for, what it costs, what actually works, and the rules that apply when an AI is the one talking. Every section links to a deeper article in the series. Dec 17, 2025 launch of the Grok Voice Agent API, with an official LiveKit plugin 25+ languages supported by Voice Agent Builder agents, which record and transcribe every call us-east-1 the only processing region listed in xAI's real-time API documentation ## What are the three ways Grok handles phone calls? Grok is the AI assistant built by xAI. The corporate map has moved fast: xAI acquired X in March 2025, then SpaceX acquired xAI on February 2, 2026. That matters for phone calls, because one parent company now owns both a voice (Grok) and a network (Starlink), a story we unpack in [Elon Musk’s phone play](https://skipcall.io/en/blog/elon-musk-phone-vision-grok-starlink). On the phone, Grok comes in three layers, each for a different audience. | | Grok Bot | Voice Agent API | Voice Agent Builder | | - | - | - | - | | **Built for** | Consumers, solo professionals | Developers, software vendors | Small businesses without engineers | | **What it does** | Places a call for you and sends a summary | Provides the voice for an agent you code | Turns a written brief into an agent on a number | | **Call direction** | Outbound | Inbound or outbound, your choice | Mostly inbound (front desk, booking) | | **Price** | Included in X Premium, Super, Ultra | $0.08 per minute | $0.08 per minute, no platform fee | | **Status** | Beta; calling announced Oct 25, 2026 | Available since December 2025 | Beta since July 2026 | **Layer 1: Grok Bot** A personal agent that dials, talks to whoever picks up, and reports back. Read [what we actually know about Grok Bot calls](https://skipcall.io/en/blog/grok-bot-phone-calls). **Layer 2: Voice Agent API** A real-time voice model developers wire into their own phone stack. Read [how the Grok Voice Agent API works and what it costs](https://skipcall.io/en/blog/grok-voice-agent-api-guide). **Layer 3: Voice Agent Builder** A phone agent you configure in plain English, with a number included. Read [our Grok Voice Agent Builder review](https://skipcall.io/en/blog/grok-voice-agent-builder-review). ## Which Grok phone product fits you? Most readers only need one of the three. Start from your situation, not from the product names. | You are | Your question | Read first | Then | | - | - | - | - | | A busy consumer or freelancer | ”Can an AI make my calls?” | [Grok Bot calls](https://skipcall.io/en/blog/grok-bot-phone-calls) | [How Grok makes a call](https://skipcall.io/en/blog/how-grok-makes-a-call) | | A small-business owner | ”Can I automate my front desk?” | [Voice Agent Builder review](https://skipcall.io/en/blog/grok-voice-agent-builder-review) | [Connect Grok to a phone number](https://skipcall.io/en/blog/connect-grok-to-a-phone-number) | | A developer or product team | ”How do I add Grok’s voice to my app?” | [Voice Agent API guide](https://skipcall.io/en/blog/grok-voice-agent-api-guide) | [How Grok talks on the phone](https://skipcall.io/en/blog/how-grok-talks-on-the-phone) | | A sales leader | ”Should an AI make our calls?” | [Grok vs. sales reps](https://skipcall.io/en/blog/grok-vs-sales-reps) | [How to tell if an AI is calling](https://skipcall.io/en/blog/how-to-tell-if-an-ai-is-calling) | | Curious about where this goes | ”What happens to the phone call?” | [Elon Musk’s phone play](https://skipcall.io/en/blog/elon-musk-phone-vision-grok-starlink) | [When AI calls AI](https://skipcall.io/en/blog/when-ai-calls-ai) | ## What actually works today, and what is only announced? **Live.** The Voice Agent API since December 17, 2025, with an official example that connects a Twilio number to a Grok agent. The Voice Agent Builder, in beta since July 1, 2026, with one free number per account, voice cloning from about two minutes of audio, recording and transcription of every call, and transfer to a human. Grok Bot itself, in beta since August 11, 2026 on desktop, iPhone and Android. **Announced.** Grok Bot phone calls. On October 25, 2026, Elon Musk wrote on X that Grok Bot “can now call someone or a business for you, make a request on your behalf, take notes on the response and send you a note summarizing the conversation.” The feature is not in xAI’s documentation yet, and our [Grok Bot fact check](https://skipcall.io/en/blog/grok-bot-phone-calls) separates what is confirmed from what is not. ![Timeline of Grok's voice products: December 17, 2025, Voice Agent API at $0.05 per minute; April 2026, Voice Think Fast 1.0; July 1, 2026, Voice Agent Builder in beta; August 5, 2026, Voice 2.0 at $0.08 per minute; August 11, 2026, Grok Bot in beta; October 14, 2026, Voice 3.0 with replies in under a second; October 25, 2026, Grok Bot calls announced but not documented](https://skipcall.io/assets/infographies/grok/figures/en/chronologie-voix-grok.jpg) Ten months from a developer API to an assistant that calls for you: the seven dates that matter. ## How does Grok sound natural on a phone line? Older voice bots chained three programs: one to turn speech into text, one to write a reply, one to read it aloud. Each step added a pause. LiveKit describes Grok’s real-time model as a single “voice-to-voice” model: audio goes in and audio comes out, which is how it gets under a second and lets callers interrupt naturally. The phone network adds its own limit. A standard line carries 8 kHz μ-law audio, the format North American phone networks have used for decades, and it strips out much of a voice’s richness. xAI’s official phone example keeps that format end to end to avoid conversions. The plain-English version is in [how Grok talks on the phone](https://skipcall.io/en/blog/how-grok-talks-on-the-phone), and the plumbing in [how to connect Grok to a real phone number](https://skipcall.io/en/blog/connect-grok-to-a-phone-number). ## What do US rules say about AI phone calls? An AI on the phone is still a phone call, so the usual rules apply, plus a few that were written with AI in mind. **AI voices are “artificial” voices** Since February 8, 2024 (FCC 24-17), the FCC treats AI-generated voices as artificial voices under the TCPA. Calls that need prior express consent for artificial or prerecorded voices need it for AI voices too. **New opt-out rules from November 25, 2026** The FCC’s revised consent revocation rules take effect on November 25, 2026. We cover what changes in [the TCPA rule changes for B2B teams](https://skipcall.io/en/blog/tcpa-rule-changes-november-2026). **Live human calls are different** A live call that a person dials to a business landline sits outside the TCPA consent framework. Prerecorded or AI voicemails and automated outreach to cell phones sit inside it, as our TCPA guide explains. **Calling into the EU** Under Article 50 of the EU AI Act, in force since August 2, 2026, people must be told they are interacting with an AI, at the latest at the first exchange. For the business side, read [Grok vs. sales reps](https://skipcall.io/en/blog/grok-vs-sales-reps). For the person who picks up, read [how to tell if an AI is calling](https://skipcall.io/en/blog/how-to-tell-if-an-ai-is-calling). ## Where is this heading? The scenario taking shape is odd but logical: your AI assistant calls a company’s AI front desk, and two machines book an appointment while no human listens. Google is testing calls on your behalf with Call for Me on the Pixel 11, and OpenAI has let developers connect agents to phone lines over SIP since August 2025. We explore that future, and what breaks, in [when AI calls AI](https://skipcall.io/en/blog/when-ai-calls-ai). ## Every article in the series [**Grok Bot can call for you: what we actually know**](https://skipcall.io/en/blog/grok-bot-phone-calls) Confirmed, previewed, undisclosed: the evidence, the plans, and how it compares with Google. [**How Grok makes a phone call, step by step**](https://skipcall.io/en/blog/how-grok-makes-a-call) Six steps, a five-field brief, and three ready-to-paste examples. [**Grok Voice Agent API: how it works and what it costs**](https://skipcall.io/en/blog/grok-voice-agent-api-guide) A session in five steps, per-minute math, and a factual comparison with OpenAI. [**Grok Voice Agent Builder review**](https://skipcall.io/en/blog/grok-voice-agent-builder-review) What a no-code AI front desk really costs at 100, 300 or 1,000 calls a month. [**How Grok talks on the phone**](https://skipcall.io/en/blog/how-grok-talks-on-the-phone) Why Grok answers without dead air, and a five-minute test for any voice agent. [**How to connect Grok to a real phone number**](https://skipcall.io/en/blog/connect-grok-to-a-phone-number) xAI number, SIP trunk or Twilio: three paths, and how to keep your own number. [**How to tell if an AI is calling you**](https://skipcall.io/en/blog/how-to-tell-if-an-ai-is-calling) Five tells, the one question to ask, and what the rules say it must disclose. [**Grok vs. sales reps**](https://skipcall.io/en/blog/grok-vs-sales-reps) Call type by call type: where an AI wins and where a rep stays essential. [**Elon Musk’s phone play: Grok and Starlink**](https://skipcall.io/en/blog/elon-musk-phone-vision-grok-starlink) Voice, app, network and audience: the four layers of a call under one roof. [**When AI calls AI**](https://skipcall.io/en/blog/when-ai-calls-ai) Your assistant calls a company’s AI front desk: what works, what breaks. ## The bottom line Grok already works on the phone for businesses, through a developer API and a no-code Builder, both at $0.08 a minute. For consumers, Grok Bot promises to make calls for you, but that feature is announced rather than documented. The voice engine answers in under a second, which is what makes a call feel natural, while processing runs in the United States and the TCPA treats AI voices like any other artificial voice. The sensible move for a business is to test AI where it shines, answering and booking, and keep people on the calls that sell. Each point is covered in depth in the ten articles above. _Sources: x.ai announcements for the Grok Voice Agent API (December 17, 2025), Voice Agent Builder (July 1, 2026), Grok Bot (August 11, 2026) and Grok Voice 3.0 (October 14, 2026); docs.x.ai; LiveKit (December 17, 2025); github.com/xai-org/xai-cookbook; Elon Musk on X (October 25, 2026); Techloy (October 31, 2026); CNBC (February 3, 2026); FCC 24-17 (February 8, 2024); EU Regulation 2024/1689, Article 50._ Author [Charles Baldet](https://skipcall.io/en/author/charles-baldet) [Charles Baldet on LinkedIn](https://www.linkedin.com/in/charlesbaldet/) CEO & Co-Founder, Skipcall Charles is the CEO and co-founder of Skipcall. A sales commando with over 10 years of experience in B2B SaaS and complex strategic accounts, he has closed major deals with Stellantis, SNCF, RATP and Natixis. A specialist in the PUCCKA and MEDDIC methodologies, Charles regularly teaches sales at HEC's incubator and the Sorbonne. He was ranked among Les Echos' top 10 business angels under 35 in 2020. He also co-founded Getalead (B2B sales agency) and Getlab (SalesTech studio). [See all their articles](https://skipcall.io/en/author/charles-baldet) ## A calendar full of meetings starts with a call. [Get started now](https://app.skipcall.io/signup) [Book a demo](https://skipcall.io/en/demo) **No commitment** · Number live in 2 minutes FAQ ## Frequently asked questions **Can Grok answer my business phone line?** Yes, through the Grok Voice Agent Builder. You describe in plain English what the agent should do, connect your calendar or documents, and it answers calls on a number xAI provides or on your own number over SIP. It records and transcribes every call and can transfer to a person. The Builder is still in beta. **How much do Grok phone calls cost?** For businesses, the Voice Agent API and the Builder both cost $0.08 per minute of conversation as of November 2026, or $4.80 per hour, with tools such as web search billed separately. The Builder adds $0.01 per minute when you use the number xAI provides. Grok Bot is included in the X Premium, Super and Ultra plans. **Does Grok Bot calling work outside the United States?** xAI has not published a list of countries. When a Techloy tester asked, the bot itself said calls only worked for users in the United States, excluding Washington and Illinois, to US numbers. That is the bot's own answer, not a published rule. **Is it legal to use an AI voice to call people in the US?** It can be, with consent. Since February 2024, the FCC treats AI-generated voices as artificial voices under the TCPA, so calls that need prior express consent for artificial or prerecorded voices need it for AI voices too. A live human calling a business landline sits outside that consent framework. For EU calls, the AI Act also requires telling people they are talking to an AI. **Is Grok's voice faster than ChatGPT's?** xAI claims Grok Voice 3.0 has 40 percent lower latency than OpenAI's GPT-Live-1 on its own benchmark, and a response time under one second. Those are vendor figures. No independent test is cited here, and real-world latency also depends on the network and how far the caller is from xAI's servers. **Does Grok replace a business phone system?** No. Grok supplies a voice and an agent, not a phone system. You still need a phone number, a carrier or SIP provider, call routing for your team, and, for sales calls, people. Grok can sit on top of that stack for specific calls, such as front-desk answering. Keep reading ## Related articles [View all articles](https://skipcall.io/en/blog) 01 Voice AI ### [Grok Bot Can Call for You: What We Actually Know](https://skipcall.io/en/blog/grok-bot-phone-calls) On October 25, 2026, Elon Musk said Grok Bot can now call a person or a business for you and send back a summary. Here is the evidence behind that claim, what a call is supposed to look like, which X plans include Grok Bot, where it seems to work, and how it stacks up against Google's Call for Me. 3 Nov 2026 02 Voice AI ### [Grok Voice Agent API: How It Works and What It Costs](https://skipcall.io/en/blog/grok-voice-agent-api-guide) xAI's Grok Voice Agent API lets developers put Grok's real-time voice behind an app, a help line or a booking agent. Here is how a session actually works, what a minute costs in November 2026, how it compares with OpenAI's Realtime API, and the questions to settle before you ship it to production. 3 Nov 2026 03 Voice AI ### [Grok Voice Agent Builder Review: A No-Code Phone Agent](https://skipcall.io/en/blog/grok-voice-agent-builder-review) Since July 1, 2026, xAI's Grok Voice Agent Builder turns a plain-English brief, a few documents and a calendar into an AI agent that answers a phone number. We reviewed what it really does, what a month of calls costs, which calls it handles well, and why it is still a beta you should pilot rather than roll out. 3 Nov 2026 ## Ready to multiply your productivity? Join the sales teams that have transformed their prospecting. [Request a demo](https://skipcall.io/en/demo) Personalized demo • No commitment