AI tools › Voice & phone agents

Best AI tools to build voice and phone agents

Natural voices and agents that answer or make phone calls. Ranked by real usefulness, updated Nov 15, 2026.

The ranking

#1
ElevenLabs ↗ Free plan + paid
Best for: High-quality voices, voice cloning and a platform for conversational voice agents.
#2
Vapi ↗ Paid
Best for: Developers building custom voice agents, billed per minute.
#3
Retell AI ↗ Paid
Best for: Production phone agents for call centers, billed pay-as-you-go.
#4
Bland AI ↗
Best for: Enterprise-scale automated phone calls.

How we rank (ranking v1, updated Nov 15, 2026)

Ranks are Milo's editorial judgment (v1, Nov 15, 2026), based on each tool's official documentation, product pages and public pricing pages, all checked on that date. Each tool is scored on four questions: (1) Does it finish the job end to end for a non-expert? (2) How good and reliable is the result? (3) How cheap is it to get started? (4) How mature and widely used is it? Hands-on tests and reader reports will be added weekly, and ranks will move when they show something new. Sponsors cannot buy or change a rank. Pricing tier is shown only when we confirmed it on the tool's official pricing page; 'freemium' means a free plan plus paid plans, 'paid' means no free plan (a trial or starter credits may exist).

Use cases for this job

Phone a restaurant to book dinner, then reconfirm it

A Meta Muse user dictated date, time and party size; Muse called the restaurant, booked the table and shared a transcript. When the booking didn't show online, Muse called back and the host confirmed it.

Source: X (@Stepmark_Jay) · Nov 13, 2026

Copy the prompt

Call [RESTAURANT] and book a table for [N] people on [DATE] at [TIME] under the name [NAME]. Mention it's a [OCCASION]. Ask for a confirmation name or number, and send me the call transcript. Two days before, call again to confirm the booking is still on.

Best AI tools to build voice and phone agents →

Meta MuseLife admin

New launches in Voice & phone agents

Nov 13, 2026
Do it! in Alice AI by Yandex
A personal agent mode in Alice AI that splits a request into steps, can phone businesses for you and gathers info from email, asking before important actions. Starting with a limited group of Alice Plus users.
Source: Yandex ↗ · Voice & phone agents
Nov 12, 2026
Next-generation NiCE Cognigy by NiCE
An enterprise platform update for building customer-service AI agents from reusable skills, with tracing and voice-to-voice support.
Source: NiCE ↗ · Voice & phone agents
Nov 11, 2026
ElevenLabs Marketplace by ElevenLabs
A marketplace of industry-specific voice agents and apps built by partners, aimed at enterprises.
Source: ElevenLabs blog ↗ · Voice & phone agents

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