18.6
LiveKit Agents is an open-source framework and cloud platform for building voice, video, and physical AI agents.
Free planOpen sourceAndroidiOSWeb
Alternatives to Vapi
Vapi gives developers a platform for building and operating voice agents, with orchestration, real-time monitoring, enterprise configuration, telephony, live tool use, testing, analytics, and access to more than 200 models or integrations. It supports inbound and outbound calls, human handoff, custom phone numbers, external data, and conversations in English, Spanish, Mandarin, and more than 100 other languages. Agents can run through Android, iOS, web, and API. A free-start…
28.5
Free planOpen sourceAndroidiOSWeb
38.2
Voiceflow is a platform for building, testing, deploying, and monitoring chat and voice agents across channels and languages.
Free planAndroidiOSWeb
- 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 sourceAndroidiOSWebAPI8.0Free plan - 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 sourceWebAPILinuxmacOS7.8Free plan - 6
Yellow.ai
Yellow.ai is a customer-service platform for creating AI-assisted interactions across web, iOS, and Android.
Free planAndroidiOSWebAPI7.8Free plan - 7
Amazon Lex
Amazon Lex lets application builders create conversational interfaces that respond to voice or chat input in natural language.
Free planAndroidiOSWebAPI7.7$0.50 one-time - 8
ElevenLabs
ElevenLabs is a web and API platform for generating and working with speech, audio and other media.
Free planWebAPI7.6From $6 a month - 9
IBM watsonx Assistant
IBM watsonx Assistant builds branded chatbots for live conversations across devices, applications, and channels.
Free planWebAPISelf-hosted7.5From $140 a month - 10
Botpress
Botpress is a platform for building, deploying, and monitoring AI agents for customer support and other workflows.
Free planWebAPI7.3From $150 a month - 11
Gupshup
Gupshup provides conversational AI for marketing, commerce, and customer support automation.
Free planWebAPI7.2Free plan - 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 planWebAPILinuxmacOS7.1From $500 a month - 13
Capacity
AndroidiOSWebAPI7.0 - 14
Retell AI
Retell AI is a platform for building, deploying, and managing AI voice agents for phone calls.
Free planWebAPISelf-hosted6.9Free plan - 15
Ring AI
Ring AI is an enterprise platform for creating and running conversational voice agents.
Free planWebAPI6.8From $399 a month - 16
Ada
Ada is an agentic customer experience platform that provides AI customer service agents.
AndroidiOSWebAPI6.7 - 17
Kore.ai
WebAPISelf-hosted6.5 - 18
Haptik
Haptik provides conversational AI agents for enterprise customer service, sales, bookings, and lead qualification.
AndroidiOSWebAPI6.4 - 19
Hume AI
Hume AI provides infrastructure for evaluating and improving voice AI, combining expression measurement, realistic interaction tests, and human judgment.
iOSWebAPImacOS6.4 - 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-hosted6.4Free plan - 21
Avaamo Enterprise Conversational AI
AndroidiOSWebAPI6.2 - 22
Orbitali
WebAPI6.2From €99 a month - 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-hosted6.1 - 24
Bland AI
Bland AI is a platform for building, operating, and monitoring AI phone agents for inbound and outbound calls.
WebAPISelf-hosted6.1From $0.14 a month - 25
boost.ai
boost.ai is a conversational AI platform for automating customer service and internal support.
WebAPI6.1 - 26
eGain Conversational AI
WebAPI6.1From $0.50 a month - 27
Telnyx Agent Platform
Free planWeb6.0From $500 a month - 28
Cognigy
WebAPISelf-hosted5.9 - 29
Oracle Digital Assistant
AndroidiOSWeb5.9 - 30
Synthflow
Synthflow is an enterprise Voice AI platform for automating inbound and outbound phone conversations.
WebAPI5.9From $30,000 a year