Retell AI is a powerful platform for building and deploying AI voice agents, offering features like call transfer, appointment booking, and IVR navigation to streamline call operations.
Best Retell AI Alternatives & Competitors 2026
A popular AI Voice Assistants tool with 917.9K monthly visits. We've analyzed 20 similar AI tools to help you compare features, popularity, and ratings. Find the perfect alternative for your needs.
Quick Comparison
(Top 5 by Traffic)| Tool | Visits | Top Market | Growth | Rating | Insight | Description |
|---|---|---|---|---|---|---|
 Retell AICurrent | 917.9K | 🇺🇸 United States34.1% | +34.4% | - | 📊Steady Growth Recent growth of 34%. Product is in a healthy upward trend. | Retell AI is a powerful platform for building and deploying AI voice agents, offering features like call transfer, appointment booking, and IVR navigation to streamline call operations. |
 Vapi | 1.4M | 🇺🇸 United States30.7% | +7.6% | - | 📈High Traffic Over 1M monthly visits. Widely recognized and stable choice. | Vapi is the ultimate platform for developers to build and scale voice AI agents with ease, offering multilingual support, API-native integration, and enterprise-grade security. |
 JustCall | 714.3K | 🇺🇸 United States59.6% | +14.3% | - | ⭐Medium Scale 100K-1M monthly visits. Growing tool with active development. | JustCall supercharges business communication with AI-powered calling, texting, and analytics—perfect for sales and support teams. |
 Callin.io | 180.2K | 🇺🇸 United States7.6% | -11.0% | - | ⭐Medium Scale 100K-1M monthly visits. Growing tool with active development. | Callin.io delivers AI-powered call handling with white-label branding, global scalability, and real-time insights—perfect for businesses wanting smarter, faster customer interactions. |
 Parloa | 118.6K | 🇩🇪 Germany33.9% | +24.2% | - | 📊Steady Growth Recent growth of 24%. Product is in a healthy upward trend. | Streamline your customer service with Parloa's AI-powered platform for efficient contact center automation. |
 PlayAI | 110.8K | 🇺🇸 United States14.6% | +18.7% | - | ⭐Medium Scale 100K-1M monthly visits. Growing tool with active development. | PlayAI delivers human-like AI voices and smart voice agents for businesses. Automate calls, support, and more—easily and securely. |
Data based on traffic metrics from January 2026
Top 20 Alternatives to Retell AI
🌱Emerging Tool
Vogent is the fastest way to build AI voice agents for calls—with humanlike conversations, smart call handling, and no-code tools.
17.7K
|4.0
📈High Traffic
Vapi is the ultimate platform for developers to build and scale voice AI agents with ease, offering multilingual support, API-native integration, and enterprise-grade security.
1.4M
|5.0
🌱Emerging Tool
Create your own AI phone agents effortlessly with Insighto, enhancing customer interactions and automating workflows.
75.2K
|5.0
⭐Medium Scale
PlayAI delivers human-like AI voices and smart voice agents for businesses. Automate calls, support, and more—easily and securely.
110.8K
|5.0
⭐Medium Scale
Callin.io delivers AI-powered call handling with white-label branding, global scalability, and real-time insights—perfect for businesses wanting smarter, faster customer interactions.
180.2K
|5.0
⭐Medium Scale
JustCall supercharges business communication with AI-powered calling, texting, and analytics—perfect for sales and support teams.
714.3K
|5.0
⭐Medium Scale
Streamline your customer service with Parloa's AI-powered platform for efficient contact center automation.
118.6K
|5.0
AviaryAI offers AI outbound voice agents and a knowledge base to help financial institutions drive revenue and engagement with secure, compliant, and quick-to-implement solutions.
1.3K
|3.0
🌱Emerging Tool
Curious Thing’s voice AI assistant is a game-changer for businesses, offering 24/7 call handling, multilingual support, and real-time insights to boost efficiency and customer satisfaction.
14.7K
|4.0
⭐Medium Scale
Cognigy’s AI-powered customer service agents deliver fast, personalized, and exceptional support across voice and chat, transforming how businesses engage with their customers.
106.7K
|5.0
⭐Medium Scale
Observe.AI is your go-to AI platform for enhancing contact center performance, automating customer interactions, and driving operational efficiency.
120.3K
|5.0
Air.ai is the future of phone-based AI—human-like calls, flawless recall, and 24/7 automation for sales and support.
1.1K
|3.0
Thoughtly is a no-code platform that helps businesses automate phone calls with AI voice agents, improving customer support, sales, and marketing efficiency.
256
|3.0
🌱Emerging Tool
Millis AI lets you build advanced, low-latency voice agents in minutes, offering seamless, natural conversations and versatile integrations for a wide range of applications.
13.6K
|4.0
🌱Emerging Tool
Vodex automates phone calls with AI voice agents, enhancing outreach and customer engagement.
15.8K
|4.0
🌱Emerging Tool
Replicant is a Conversational AI platform that automates contact center QA, provides actionable insights, and handles routine customer conversations efficiently. It’s perfect for businesses aiming to improve customer service and reduce operational costs.
56.8K
|5.0
⭐Medium Scale
CustomGPT.ai is the #1 no-code platform for building custom AI agents, offering secure, efficient, and scalable solutions for businesses of all sizes.
199.0K
|5.0
🚀Super High Traffic
Vocode is your go-to platform for building, deploying, and scaling hyperrealistic voice agents. With its modular design and enterprise-grade API, it’s perfect for developers and businesses alike.
542.6M
|5.0
⭐Medium Scale
Telnyx Voice AI Agents deliver crystal-clear, low-latency, and cost-effective conversational AI over a private global network, perfect for enhancing customer service and automating operations.
492.1K
|5.0
🌱Emerging Tool
Level AI is a game-changer for call centers, offering real-time AI insights, automated QA, and agent coaching to deliver exceptional customer experiences.
57.8K
|5.0