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Best AI Business Agents

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Voice agent

Retell AI review

Retell is a platform for building AI voice agents that answer and place phone calls, with pay-as-you-go per-minute pricing and a choice of language and voice models.

Published · Updated . Facts checked November 12, 2026.

Fit by business size
  • Small business—
  • Mid-size company7.2
  • Enterprise7.4

Is Retell AI worth it?

It depends on your size and the job. Retell AI is worth it if you have someone who can build a custom voice agent and want high call quality at transparent per-minute prices. Its best placement is #1 of 12 in our voice and phone ranking. It's built for mid-size companies and enterprises, not small businesses. On the downside, you build the agent yourself. Consider Vapi instead if you have developers and want maximum control over models, voices and phone providers. Price: no monthly fee plus about $0.07 to $0.31 per minute, as of November 2026.

Jobs it takes on4 of 10 fully
  • Answers customers: yesSupport
  • Finds and follows up with leads: partlySales
  • Writes and posts marketing: noMarketing
  • Handles email and calendar: noInbox
  • Takes and makes phone calls: yesPhone
  • Back office: reports, docs, data: noAdmin
  • Runs on a schedule or trigger: yesRuns alone
  • Asks before risky actions: partlyApprovals
  • Connects to hundreds of apps: partlyApps
  • API or MCP access: yesAPI/MCP

Retell AI screenshots

retellai.comScreenshot of the Retell AI homepage
Retell AI homepage, captured November 12, 2026
retellai.comScreenshot of the Retell AI pricing page
Retell AI pricing page, captured November 12, 2026

Our verdict

Retell is one of the best voice agent platforms: natural calls, transparent per-minute pricing and deep configurability. It's a build-it-yourself platform, so non-technical owners will want a partner or a ready-made receptionist instead.

Choose Retell AI if you have someone who can build a custom voice agent and want high call quality at transparent per-minute prices.

Where it ranks

Where it's strong

  • Excellent call quality
  • Transparent per-minute pricing
  • Choice of models and voices
  • Free credits to start

Where it falls short

  • You build the agent yourself
  • Costs add up across components
  • Voice only
  • Some pricing page inconsistencies

How it scored

Base scores

Used in every size ranking, each with its own weights.

Does the work8.0
Reach6.0
Setup5.5
Control8.0
Value8.0
Trust7.5
Enterprise readiness7.5

Voice and phone: 8.4

Call quality9.0
Configurability9.0
Telephony8.5
Pricing8.5
Setup5.5
Trust7.5
Does the work:
Once set up, does the agent finish real jobs on its own, on a schedule or when something happens, or does it wait to be prompted?
Reach:
How many of a business's jobs and tools it can reach: customers, inbox, phone, sales, marketing, back office and other apps.
Setup:
Can a non-technical person get it working from a plain-English description, without building flows, hiring a developer or a services team?
Control:
Approvals before risky actions, logs of what it did, spending limits, and how reliably it does the job the same way twice.
Value:
What you pay for the work you get, counting usage charges, seats, onboarding fees and minimum contracts.
Trust:
Refunds, data handling, the company behind it, and what public reviews say.
Enterprise readiness:
SSO, role-based admin, audit logs, compliance certifications, data residency and procurement terms a large company expects.

Retell AI pricing

PlanMonthlyBilled yearlyIncludes
Pay as you goFree/mon/a$0.07 to $0.31 per minute, $10 free credits, 20 concurrent calls
Enterprisen/an/aCustom, 50+ concurrent calls

Prices as of November 2026, in US dollars before tax unless noted, from retellai.com or the sources below, checked November 12, 2026. Prices change; check before you buy.

Retell AI alternatives

  • Vapi Developers who want full control over voice agents.Retell AI vs Vapi
  • Synthflow Mid-size and large teams that want no-code voice agents under contract.Retell AI vs Synthflow
  • Bland AI Teams running high-volume phone calls who can configure a voice platform.
  • Crevio Small businesses that want one agent to handle customers, marketing and admin.
  • Lindy Busy owners who want an AI assistant for inbox, calendar, meetings and calls.

See all Retell AI alternatives

Sources