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Vaani AI

A voice agent platform that builds AI phone agents from a plain-language description and runs inbound and outbound calls.

Sources checked

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Pricing
Paid, usage-based. Pay as you go uses a prepaid wallet. You pay a ₹1 per minute platform fee, plus speech recognition, language model, voice and telephony costs at the listed provider rates. The pricing page's sample stack works out at about ₹5.66 a minute. Phone numbers cost ₹600 a month and extra concurrency is ₹2,000 per 5 lines a month. Enterprise terms are custom. Official source 1 ↗
Available as
Web dashboard at platform.vaani.dev for building agents, call history and settings. · Phone calls over a connected number, plus browser (WebRTC) calls. · REST API with an API key header for triggering calls and fetching transcripts and call details. Official source 1 ↗ Official source 1 ↗ · Official source 2 ↗ Official source 1 ↗ · Official source 2 ↗
Primary group
Business & Operations

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What it does

Vaani AI is a voice agent platform from Vaani AI Research Private Limited, a company registered in India. You describe a phone call in plain language, and its Teacher AI builds an agent that combines speech recognition, a language model and a synthetic voice. The agent can then place or answer calls over a phone number, or in the browser. A REST API triggers outbound calls and returns transcripts, recordings and call details. It is built for sales, support and other calling teams, with automatic language and dialect switching.

Official source 1 ↗ · Official source 2 ↗ · Official source 3 ↗ · Official source 4 ↗

Features

  • Teacher AI agent builder. Describe who to call, what to say and what counts as success. Teacher AI asks about missing details such as languages, objections and handoffs, then assembles the prompt, voice and tools. Changes appear as a diff that you approve before they are saved. Official source 1 ↗
  • Four ways to create an agent. Start from an industry template, describe the agent in plain English, build a multi-branch flow from scratch, or import a JSON configuration for automated deployments. Official source 1 ↗
  • Memories across calls. An agent can keep context from earlier calls with the same caller, including context shared by another agent. You choose how many past calls to draw on and which ones. Official source 1 ↗
  • Call screening handling. When a phone screens the call, Vaani answers the screening prompt and stays on the line until the customer decides whether to pick up. Official source 1 ↗
  • Multilingual voice. Agents switch automatically to the caller's language and dialect. Vaani states a p90 response latency of about 450ms. Official source 1 ↗
  • Call API and webhooks. Trigger outbound calls with an agent ID and contact number, pass per-call variables into the prompt, and receive webhooks when a call starts, completes or fails. Official source 1 ↗
  • Transfers and add-ons. Warm and live transfers hand calls to a person. Warm transfers are listed at ₹0.50 each, free under an early launch offer. Agents with memory are listed at ₹299 per agent, also free under that offer. Official source 1 ↗

Pricing & free limits

Pay as you go

₹1 / minUsage-based, prepaid wallet

The platform fee, plus speech recognition, language model, voice synthesis and telephony at the listed provider rates. Includes the agent builder and Teacher AI, web and phone calls, unlimited agents and knowledge bases, 2 concurrent calls and 30-day data retention. Official source 1 ↗

Enterprise

CustomCustom terms

Custom billing, your own provider keys, whitelabel and reseller options, and sub-account rates. Also includes zero data retention and HIPAA compliance, listed under a launch offer. Official source 1 ↗

Billing details

Funds you add to the wallet are drawn down as calls are processed. Phone numbers (₹600 a month, varying by country), extra concurrency lines and add-ons are charged separately from the wallet. Official source 1 ↗

Calls can be billed per second, per 30 seconds or per minute, depending on your offering. Official source 1 ↗

Browser (WebRTC) calls have no telephony charge. With Enterprise, components connected with your own provider keys are billed by that provider, not Vaani. Official source 1 ↗

USD prices for the platform fee include a 1.6× regional multiplier. Estimates exclude taxes and charges paid directly to providers. Official source 1 ↗

Volume agreements can use flat rates or monthly usage slabs. Premium models or voices are priced separately on request. Official source 1 ↗

Free access & limits

Free access and its limits were not established by the checked official sources.

Best for & limitations

Call new leads, qualify them and hand interested ones to a sales rep. Official source 1 ↗ · Official source 2 ↗

Answer inbound customer calls with context from that caller's earlier calls. Official source 1 ↗

Trigger personalised outbound calls from your own system through the API. Official source 1 ↗

Resell voice agents under your own brand with sub-account rates. Official source 1 ↗

  • No free tier on the pages checked. The site says you can start free, but the pages checked list no free credits or free plan. Pay as you go needs a funded prepaid wallet. Official source 1 ↗ · Official source 2 ↗
  • Final cost depends on your stack. The platform fee is only one part of the bill. Speech, model, voice and telephony charges vary with the providers you pick and with the billing pulse. Official source 1 ↗
  • Own provider keys need Enterprise. Bringing your own provider keys is available only on Enterprise. Pay as you go also caps you at 2 concurrent calls unless you buy more lines. Official source 1 ↗
  • Testing needs a real phone. Testing outbound calls currently requires a real phone number to receive them. Official source 1 ↗
  • Terms. The service is provided as is, Vaani may change or end access without notice, and the terms are governed by Indian law. Official source 1 ↗
Vaani AI product screenshot
Website previewFixed desktop viewport · 1440 × 900

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