AI phone agents that answer and make calls, with no contract and pay-as-you-go pricing.
- Company
- Retell AI
- Best for
- Businesses that want a phone agent without an annual contract
- Free plan
- No free plan. $10 in free credits on sign-up, then pay as you go
- Starting price
- $0.07 to $0.31 per minute for voice agents; from $0.002 per message for chat agents (US dollars)
- Details checked
- 28 October 2026
Standout features
- No annual contract: you only pay for the minutes you use
- Calculator for cost per minute by AI model, voice and add-ons
- Add-ons include knowledge base, safety guardrails, PII removal and AI quality assurance
- Chat agents are priced per message
Best uses
- Answering missed calls
- Appointment booking
- Lead qualification by phone
- Outbound reminders and follow-ups
Pros
- Easy to start, with free credits
- Clear per-minute pricing and a cost calculator
- Simulation testing before going live
- Includes analytics and transcripts
Cons
- Cost per minute varies a lot with the choices you make
- Prices are in US dollars
- You still need good instructions and testing
- Check call-recording and consent rules for UK customers before going live
How to use Retell AI
- Sign up at retellai.com and use the free credits.
- Start from a template close to your use case.
- Add your business information as a knowledge base.
- Test with the simulation tools, then with real calls.
- Review analytics and transcripts each week.
Example setups for a small business
Missed-call follow-up
Greet the caller, ask how you can help, record their details and say someone will call back within one working day.
FAQ
Answer opening hours, address and prices from the knowledge base. If unsure, take a message.
Reminder
Call to confirm tomorrow’s appointment and offer to reschedule.
Pricing
| Plan | Price | What you get |
|---|---|---|
| Pay as you go | $0.07-$0.31 per minute (voice), $0.002+ per message (chat) | $10 free credits, full platform access, templates, call analytics and transcripts, simulation testing, webhooks and API, 20 free concurrent calls. |
| Enterprise | Custom | Custom contract terms, role-based access control, custom SSO, high concurrency, 24/7 support, dedicated implementation support as an add-on. |
| Example estimate | About $0.15 per minute | The page’s calculator showed $0.080 AI model, $0.055 voice infrastructure and $0.015 voice per minute for one setup, so costs depend on the options you choose. |
Prices change often. Always confirm on the official site. We last checked on 28 October 2026.
