Harmony

★★★★☆3.8 / 5 editorial Paid Billed per minute of AI voice agent time, with published rates from $0.39/min — check the official site for current rates.

Voice AI platform that runs your sales calls from prospecting to close.

✓ Editor-researched listing — details reviewed by Grab AI Tool editors; pricing re-checked regularly.

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What is Harmony?

Harmony, launched October 19, 2026 by monday.com, is a voice AI platform built for enterprise sales teams. Instead of one general-purpose model, Harmony runs a suite of small, task-specific language models — one for qualifying leads, one for capturing data, one for handling objections — orchestrated by a real-time predictive engine. The company claims about 200 milliseconds of audio-in to audio-out latency, speech rhythm it says is indistinguishable from human, and contact rates of up to 70%.

Harmony runs the full sales cycle: prospecting, discovery, qualification, pitching, and warm transfers to live reps with a full briefing. It includes predictive and power dialing, unlimited phone numbers with branded caller ID, inbound routing, and native CRM write-back for HubSpot, Salesforce, Zoho, and Pipedrive, all built on Twilio telephony. One early customer, UK broker Bright Car Finance, says Harmony helped it close 9% more deals in less than a year. Agents identify themselves as AI by default, and customers can configure disclosure, consent, recording, and audit controls.

Who Harmony Is Best For

Best for: Harmony is a strong fit for enterprise sales teams: Purpose-built for sales calls rather than a generic voice layer bolted onto a CRM; structured workflows promise more controllable, debuggable calls than one general model.

Not ideal for: Less suited to users who will hit its limits head-on: pricing is not published; per-minute billing makes costs hard to forecast without a quote; only midmarket and enterprise customers in the US, UK, Australia, and Singapore at launch.

Key Features

Task-specific small LLMs for qualification, data capture, and objection handling
~200ms audio-in to audio-out latency for natural-sounding conversation
Full sales cycle: prospecting, discovery, pitching, and warm transfers to live reps
Native CRM write-back for HubSpot, Salesforce, Zoho, and Pipedrive
Consent, disclosure, recording, and audit controls with AI self-identification by default

Pros

Purpose-built for sales calls rather than a generic voice layer bolted onto a CRM
Structured workflows promise more controllable, debuggable calls than one general model
Real customer results shared at launch instead of pure benchmark marketing

Cons

Pricing is not published; per-minute billing makes costs hard to forecast without a quote
Only midmarket and enterprise customers in the US, UK, Australia, and Singapore at launch
Speed and contact-rate figures are company claims, not independently verified

Pricing

Model: Paid
Billed per minute of AI voice agent time, with published rates from $0.39/min — check the official site for current rates.

Adding Up Your AI Bill?

If you pay for Harmony alongside other AI subscriptions, the monthly total adds up quietly. Tick every tool you pay for in our free AI Tool Cost Calculator to see your real monthly and yearly bill — and spot overlaps you can cut. Still choosing? Start with our guide on how to choose the right AI tool.