Manus AI
PaidAI Agents
Manus AI can plan, collaborate, and independently execute complex tasks in the cloud.
Web, Windows, Mac
API ConnectivityAutonomous Problem SolvingAutonomous Task Management+28
Is Manus AI a good alternative to Retell AI?
Best Retell AI Alternatives
Compare 7 alternatives for 2026
Retell AI is a tool that helps businesses create smart voice assistants to talk with customers on phone calls naturally.
Compare 7 alternatives for 2026
Founded 2023California1-100 EmployeesWeb, Linux, Windows, Mac
Key Features
API ConnectivityCall LogsData AnalysisInteractive Voice Response (IVR) IntegrationIterative UpdatesKnowledge BaseKnowledge GraphsOnline Appointment bookingReal-Time ProcessingSelf MonitoringThird Party IntegrationsWarm Call Transfer
Top 7 Retell AI competitors
Curated list of the best ai agents tools to replace Retell AI
SleekFlow
PaidAI Agents
Streamline consumer communication under one comprehensive platform by using SleekFlow software.
Web, Linux, Windows +3
API ConnectivityBehavior CustomizationCustom Reporting+14
Is SleekFlow a good alternative to Retell AI?
CrewAI
FreemiumAI Agents
A versatile multiagent AI platform designed for automating complex workflows using coordinated teams of intelligent agents.
Web, Linux, Windows +1
API ConnectivityAudit TrailAutonomous Problem Solving+26
Is CrewAI a good alternative to Retell AI?
Lindy
PaidAI Agents
An AI tool that lets businesses create smart digital assistants to automate tasks like emails, scheduling, and customer support without coding.
Web, Windows, Mac
API ConnectivityAudit TrailAutonomous Problem Solving+26
Is Lindy a good alternative to Retell AI?
Flowise
PaidAI Agents
Flowise is an open-source, low-code platform that lets you visually build and deploy AI chatbots, agents, and workflows without coding.
Web, Linux, Windows +1
API ConnectivityAudit TrailAutonomous Problem Solving+33
Is Flowise a good alternative to Retell AI?
Inngest
PaidAI Agents
An AI agent that helps developers build and run automated workflows triggered by events without managing infrastructure.
Web, Linux, Windows +1
API ConnectivityAudit TrailAutonomous Problem Solving+22
Is Inngest a good alternative to Retell AI?
Glean
AI Agents
Glean uses advanced search and Retrieval Augmented Generation (RAG) technology to generate personalized and relevant answers by connecting all company data.
Web, Linux, Windows +1
API ConnectivityAutonomous Problem SolvingAutonomous Task Management+16
Is Glean a good alternative to Retell AI?
Retell AI — Pros & Cons
Pros
- Natural-sounding AI voice agents with low latency enhance user experience
- Seamless integrations with platforms like Twilio and Telnyx for easy deployment
- Reliable performance at high call volumes, reducing errors and improving scalability
- Intuitive flow-building UX with features like batch calling and real-time function calling
- Supports over 31 languages with native speech quality for global reach
Cons
- Limited mid-tier pricing options may not suit medium-sized businesses
- Some users find the dashboard confusing, especially for new users
- Certain features, like specific integrations and testing capabilities, are limited
- Agents may mispronounce names in languages other than English
- Process of integrating automated functions is not very clear to some users
Feature Comparison
Compare Retell AI with top alternatives side by side.
| Feature | Retell AI | Manus AI | SleekFlow | CrewAI | Lindy |
|---|---|---|---|---|---|
| Pricing | — | Paid | Paid | Freemium | Paid |
| API Connectivity | |||||
| Call Logs | |||||
| Data Analysis | |||||
| Interactive Voice Response (IVR) Integration | |||||
| Iterative Updates |
Best Alternatives to Retell AI
Watch a quick overview of Retell AI
Top 5 Retell AI Alternatives
Top 5 Retell AI Alternatives: OpenMic AI Wins (70% Cheaper!)
“Retell AI” Frequently Asked Questions
Common questions about Retell AI alternatives
Top alternatives include Vapi, Synthflow, Bland AI, Vocode, and Retell-style platforms offering low-latency voice agents and telephony integration.