AI Agent Platforms

Retell AI

A conversational AI voice platform for automating phone calls across inbound, outbound, voice, SMS, and chat.

Overview

Retell AI enables businesses to build, test, deploy, and monitor AI-powered voice agents that handle phone calls with natural language understanding, real-time context, and multichannel integration.

Updated Oct 22, 2026

11 things

What Retell AI has

For developers

Programmatic access to the product's data and features for developers.
Run the software on your own servers instead of the vendor's cloud. One of 4 AI Agent Platforms tools you can self-host.
Automatic messages the product sends to another app when something happens.
A Model Context Protocol server that lets AI tools connect to and act on your data.
A toolkit that lets developers build on the product using their preferred programming language. One of 5 AI Agent Platforms tools with SDK.

Support

Help from the vendor at any hour, every day of the week.
Get help from the support team by writing to them via email. One of 5 AI Agent Platforms tools with email support.
Expert services that help organizations plan, implement, or improve their work processes.

Pricing

A product demonstration available to prospective customers who want to evaluate the tool.

Extras

Pre-built starting points you can edit to fit your own needs.
An online space where users can connect, share tips, and help each other. One of 4 AI Agent Platforms tools with community.

15 features

Key Features

Voice AI agents
Build, deploy, and manage next-generation AI voice agents that sound human, execute tasks, and scale effortlessly.
No-code agent control
Build, update, test, and deploy AI voice agents without relying on Retell for every change. Your team stays in control as your operation evolves.
Call flow design
Design every step of the conversation on a drag-and-drop canvas.
Call simulation
Manually test changes, simulate thousands of scenarios, and turn real production calls into regression tests.
Multi-channel deployment
Deploy your agent in minutes for inbound calls, outbound campaigns, web, or SMS.
Call quality checks
QA up to 100% of your AI calls to measure performance at scale, surface patterns across conversations, and focus your team on the improvements that matter most.
Custom analytics
Build custom analytics from any post-call metric and compare A/B test results to understand exactly how each agent version performs.
Low-latency calls
Independent benchmarks confirm Retell as the leader in responsiveness. With ~600ms latency, conversations stay smooth and fluent.
Human handoff
AI agents can brief human agents, answer follow-up questions, and confirm they’re ready to take over before connecting the customer.
Outbound campaigns
Run outbound campaigns without stitching together another dialer.
IVR navigation
Detect IVRs, understand menu options, press digits, enter extensions, and reach the right destination during a live call.
CRM data exchange
Enrich conversations with existing customer data, then write call outcomes, captured information, and follow-ups back to your CRM.
Multilingual calls
Yes. Voice agents can hold conversations in multiple languages, so you serve customers in their preferred language without staffing separate multilingual teams.
Call transfers
Seamlessly switch calls with AI-powered warm and cold transfers that save time, maintain context, and keep customers engaged.
Cold transfer
Instantly transfers calls to a live agent without added context.

Pros and cons

Pros

Clear usage‑based pricing with free credits and no contracts.
Supports real‑world multistep conversational flows with LLMs and voice.
Robust knowledge base access reduces hallucinations and maintains context.
Advanced testing tools simplify simulation and optimization.
Enterprise features meet security, compliance, and scale requirements.

Cons

Pricing can be complex with add‑ons and varying per‑minute or per‑message rates.
Requires some technical setup to integrate telephony and CRM systems.
Free tier limited to 60 minutes and first 20 concurrent calls.
Potential minimum charge on short dynamic‑opening calls.
Some advanced features reserved for enterprise/custom plans.

As of October 2026

Pricing

Enterprise Plan
Custom
on request

You?

Be the first to rate Retell AI

Your review helps others make better decisions. No account needed. Takes about 10 seconds.

Featured Video

See Retell AI at work before you try it.

Watch on YouTube

0 questions

Frequently Asked Questions

Community reviews

Write a review

No written reviews yet. Be the first to share your experience.

Community reviews

Write a review

No written reviews yet. Be the first to share your experience.

11 things

What Retell AI has

For developers

Programmatic access to the product's data and features for developers.
Run the software on your own servers instead of the vendor's cloud. One of 4 AI Agent Platforms tools you can self-host.
Automatic messages the product sends to another app when something happens.
A Model Context Protocol server that lets AI tools connect to and act on your data.
A toolkit that lets developers build on the product using their preferred programming language. One of 5 AI Agent Platforms tools with SDK.

Support

Help from the vendor at any hour, every day of the week.
Get help from the support team by writing to them via email. One of 5 AI Agent Platforms tools with email support.
Expert services that help organizations plan, implement, or improve their work processes.

Pricing

A product demonstration available to prospective customers who want to evaluate the tool.

Extras

Pre-built starting points you can edit to fit your own needs.
An online space where users can connect, share tips, and help each other. One of 4 AI Agent Platforms tools with community.

15 features

Key Features

Voice AI agents
Build, deploy, and manage next-generation AI voice agents that sound human, execute tasks, and scale effortlessly.
No-code agent control
Build, update, test, and deploy AI voice agents without relying on Retell for every change. Your team stays in control as your operation evolves.
Call flow design
Design every step of the conversation on a drag-and-drop canvas.
Call simulation
Manually test changes, simulate thousands of scenarios, and turn real production calls into regression tests.
Multi-channel deployment
Deploy your agent in minutes for inbound calls, outbound campaigns, web, or SMS.
Call quality checks
QA up to 100% of your AI calls to measure performance at scale, surface patterns across conversations, and focus your team on the improvements that matter most.
Custom analytics
Build custom analytics from any post-call metric and compare A/B test results to understand exactly how each agent version performs.
Low-latency calls
Independent benchmarks confirm Retell as the leader in responsiveness. With ~600ms latency, conversations stay smooth and fluent.
Human handoff
AI agents can brief human agents, answer follow-up questions, and confirm they’re ready to take over before connecting the customer.
Outbound campaigns
Run outbound campaigns without stitching together another dialer.
IVR navigation
Detect IVRs, understand menu options, press digits, enter extensions, and reach the right destination during a live call.
CRM data exchange
Enrich conversations with existing customer data, then write call outcomes, captured information, and follow-ups back to your CRM.
Multilingual calls
Yes. Voice agents can hold conversations in multiple languages, so you serve customers in their preferred language without staffing separate multilingual teams.
Call transfers
Seamlessly switch calls with AI-powered warm and cold transfers that save time, maintain context, and keep customers engaged.
Cold transfer
Instantly transfers calls to a live agent without added context.

Pros and cons

Pros

Clear usage‑based pricing with free credits and no contracts.
Supports real‑world multistep conversational flows with LLMs and voice.
Robust knowledge base access reduces hallucinations and maintains context.
Advanced testing tools simplify simulation and optimization.
Enterprise features meet security, compliance, and scale requirements.

Cons

Pricing can be complex with add‑ons and varying per‑minute or per‑message rates.
Requires some technical setup to integrate telephony and CRM systems.
Free tier limited to 60 minutes and first 20 concurrent calls.
Potential minimum charge on short dynamic‑opening calls.
Some advanced features reserved for enterprise/custom plans.

As of October 2026

Pricing

Enterprise Plan
Custom
on request

You?

Be the first to rate Retell AI

Your review helps others make better decisions. No account needed. Takes about 10 seconds.

Featured Video

See Retell AI at work before you try it.

Watch on YouTube

0 questions

Retell AI

Overview

What Retell AI has

For developers

Support

Pricing

Extras

Key Features

Voice AI agents

No-code agent control

Call flow design

Call simulation

Multi-channel deployment

Call quality checks

Custom analytics

Low-latency calls

Human handoff

Outbound campaigns

IVR navigation

CRM data exchange

Multilingual calls

Call transfers

Cold transfer

Pros and cons

Pros

Cons

Pricing

Retell AI pricing plans

Enterprise Plan

Be the first to rate Retell AI

Featured Video

Frequently Asked Questions

What Retell AI has

For developers

Support

Pricing

Extras

Key Features

Voice AI agents

No-code agent control

Call flow design

Call simulation

Multi-channel deployment

Call quality checks

Custom analytics

Low-latency calls

Human handoff

Outbound campaigns

IVR navigation

CRM data exchange

Multilingual calls

Call transfers

Cold transfer

Pros and cons

Pros

Cons

Pricing

Retell AI pricing plans

Enterprise Plan

Be the first to rate Retell AI

Featured Video

Frequently Asked Questions

More in AI Agent Platforms

More in AI Agent Platforms