Compare 6 alternatives for 2026
Retell AI is a tool that helps businesses create smart voice assistants to talk with customers on phone calls naturally.
Compare 6 alternatives for 2026
Key Features
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.
Is SleekFlow a good alternative to Retell AI?
Relevance AI
FreemiumAI Agents
Relevance AI is an AI application development platform enabling to build, deploy, and manage AI tools and agents.
Is Relevance AI a good alternative to Retell AI?
Manus AI
PaidAI Agents
Manus AI can plan, collaborate, and independently execute complex tasks in the cloud.
Is Manus AI 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.
Is CrewAI 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.
Is Flowise 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.
Is Glean a good alternative to Retell AI?
Compare Retell AI with top alternatives side by side.
| Feature | Retell AI | SleekFlow | Relevance AI | Manus AI | CrewAI |
|---|---|---|---|---|---|
| Pricing | — | Paid | Freemium | Paid | Freemium |
| API Connectivity | |||||
| Call Logs | |||||
| Data Analysis | |||||
| Interactive Voice Response (IVR) Integration | |||||
| Iterative Updates |