Best Retell AI Alternatives & Competitors

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.

A popular AI Voice Assistants tool with 683.1K 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)
ToolVisitsTop MarketGrowthRating
Retell AI
Retell AICurrent
683.1K
🇺🇸
United States30.6%
-1.2%
-
Vapi
Vapi
1.3M
🇺🇸
United States28.5%
+18.4%
-
PlayAI
PlayAI
93.4K
🇺🇸
United States12.0%
-10.1%
-
Insighto.ai
Insighto.ai
73.3K
🇺🇸
United States14.6%
-1.5%
-
AutoCalls.ai
AutoCalls.ai
53.8K
🇻🇳
Vietnam18.8%
+9.2%
-
Vogent
Vogent
10.1K
🇺🇸
United States56.8%
+8.1%
-
Data based on traffic metrics from December 2025
Vogent
Check Detail
US56.76%
10.1K
10

Vogent is the fastest way to build AI voice agents for calls—with humanlike conversations, smart call handling, and no-code tools.

AutoCalls.ai
Check Detail
VN18.80%
53.8K
3

Autocalls.ai lets you automate phone calls with AI voice agents in 100+ languages, offering easy setup, integrations, and full compliance for businesses of any size.

Vapi
Check Detail
US28.52%
1.3M
3

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.

Insighto.ai
Check Detail
US14.60%
73.3K
3

Create your own AI phone agents effortlessly with Insighto, enhancing customer interactions and automating workflows.

PlayAI
Check Detail
US12.02%
93.4K
1

PlayAI delivers human-like AI voices and smart voice agents for businesses. Automate calls, support, and more—easily and securely.

Callin.io
Check Detail
US12.63%
202.4K
0

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.

OpenCall.ai
Check Detail
US93.70%
4.4K
14

OpenCall.ai is a game-changing phone AI that handles calls, schedules, and workflows 24/7, cutting costs and boosting efficiency for businesses of all sizes.

JustCall
Check Detail
US56.77%
625.1K
1

JustCall supercharges business communication with AI-powered calling, texting, and analytics—perfect for sales and support teams.

Parloa
Check Detail
DE23.76%
95.5K
6

Streamline your customer service with Parloa's AI-powered platform for efficient contact center automation.

AviaryAI
Check Detail
US100.00%
421
14

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.

Regal AI
Check Detail
US23.91%
36.0K
0

Regal’s AI Agents automate calls, cut costs, and keep customers happy—like a 24/7 superstar employee.

Curious Thing
Check Detail
US82.26%
9.6K
1

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.

Cognigy
Check Detail
US24.78%
93.9K
0

Cognigy’s AI-powered customer service agents deliver fast, personalized, and exceptional support across voice and chat, transforming how businesses engage with their customers.

Observe.AI
Check Detail
US69.11%
108.0K
0

Observe.AI is your go-to AI platform for enhancing contact center performance, automating customer interactions, and driving operational efficiency.

Air.ai
Check Detail
US28.68%
7.5K
2

Air.ai is the future of phone-based AI—human-like calls, flawless recall, and 24/7 automation for sales and support.

Voiceflow
Check Detail
US10.88%
574.1K
15

Voiceflow enables teams to create custom AI agents for customer support, enhancing efficiency and user experience.

Thoughtly
Check Detail
US100.00%
1.3K
7

Thoughtly is a no-code platform that helps businesses automate phone calls with AI voice agents, improving customer support, sales, and marketing efficiency.

Millis AI
Check Detail
US86.22%
20.9K
0

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.

Vodex
Check Detail
IN53.01%
8.4K
14

Vodex automates phone calls with AI voice agents, enhancing outreach and customer engagement.

Replicant
Check Detail
US35.79%
73.5K
13

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.

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