4
SOVA
SOVA is a free, open-source ecosystem for building conversational AI, including virtual assistants, chatbots, speech tools, and neural-network software.
Free planOpen sourceAndroidiOSWebAPI
8.0Free plan
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5
Radioso
Radioso provides open-source AI agents for support teams that need to resolve routine tickets, answer help-center questions, and qualify leads.
Free planOpen sourceWebAPILinuxmacOS
7.8Free plan
Visit
6
Yellow.ai
Yellow.ai is a customer-service platform for creating AI-assisted interactions across web, iOS, and Android.
Free planAndroidiOSWebAPI
7.8Free plan
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7
Amazon Lex
Amazon Lex lets application builders create conversational interfaces that respond to voice or chat input in natural language.
Free planAndroidiOSWebAPI
7.7$0.50 one-time
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8
ElevenLabs
ElevenLabs is a web and API platform for generating and working with speech, audio and other media.
Free planWebAPI
7.6From $6 a month
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9
IBM watsonx Assistant
IBM watsonx Assistant builds branded chatbots for live conversations across devices, applications, and channels.
Free planWebAPISelf-hosted
7.5From $140 a month
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10
Botpress
Botpress is a platform for building, deploying, and monitoring AI agents for customer support and other workflows.
Free planWebAPI
7.3From $150 a month
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11
Gupshup
Gupshup provides conversational AI for marketing, commerce, and customer support automation.
Free planWebAPI
7.2Free plan
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12
Rapida AI
Rapida AI is an open-source platform for building, deploying, and operating production voice AI agents across phone, web, WhatsApp, and SIP.
Free planWebAPILinuxmacOS
7.1From $500 a month
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13
Capacity
AndroidiOSWebAPI
7.0
Visit
14
Retell AI
Retell AI is a platform for building, deploying, and managing AI voice agents for phone calls.
Free planWebAPISelf-hosted
6.9Free plan
Visit
15
Ring AI
Ring AI is an enterprise platform for creating and running conversational voice agents.
Free planWebAPI
6.8From $399 a month
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16
Ada
Ada is an agentic customer experience platform that provides AI customer service agents.
AndroidiOSWebAPI
6.7
Visit
17
Kore.ai
WebAPISelf-hosted
6.5
Visit
18
Haptik
Haptik provides conversational AI agents for enterprise customer service, sales, bookings, and lead qualification.
AndroidiOSWebAPI
6.4
Visit
19
Hume AI
Hume AI provides infrastructure for evaluating and improving voice AI, combining expression measurement, realistic interaction tests, and human judgment.
iOSWebAPImacOS
6.4
Visit
20
Neon AI
Neon AI offers private expert AI systems powered by local fine-tuned language models, with interactive AI panels and human participants.
Free planAndroidWebLinuxSelf-hosted
6.4Free plan
Visit
21
Avaamo Enterprise Conversational AI
AndroidiOSWebAPI
6.2
Visit
22
Orbitali
WebAPI
6.2From €99 a month
Visit
23
Aisera AI Agent Studio
Aisera AI Agent Studio is a platform for designing and coordinating enterprise AI agents that take actions across systems.
WebAPISelf-hosted
6.1
Visit
24
Bland AI
Bland AI is a platform for building, operating, and monitoring AI phone agents for inbound and outbound calls.
WebAPISelf-hosted
6.1From $0.14 a month
Visit
25
boost.ai
boost.ai is a conversational AI platform for automating customer service and internal support.
WebAPI
6.1
Visit
26
eGain Conversational AI
WebAPI
6.1From $0.50 a month
Visit
27
Telnyx Agent Platform
Free planWeb
6.0From $500 a month
Visit
28
Cognigy
WebAPISelf-hosted
5.9
Visit
29
Oracle Digital Assistant
AndroidiOSWeb
5.9
Visit
30
Synthflow
Synthflow is an enterprise Voice AI platform for automating inbound and outbound phone conversations.
WebAPI
5.9From $30,000 a year
Visit

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