Amazon Alexa
Amazon Alexa is a virtual assistant developed by Amazon, first introduced on November 6, 2014, alongside the Amazon Echo smart speaker, and rebuilt in 2025 as a generative AI assistant called Alexa+ that runs…
Voice AI
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Showing 1-17 of 17 articles
Bland AI
Bland AI is an enterprise voice AI platform that enables businesses to deploy, manage, and scale AI-powered phone agents for inbound and outbound calling.
Dessa
Dessa is a full-duplex, speech-to-speech conversational AI model developed by a small research lab at Block, Inc., the company behind Square and Cash App.
Gemini Live
Gemini Live is Google's natural-voice conversational mode in the Gemini app: a hands-free, interruptible spoken interface that lets a person talk to Google's AI assistant in real time, the way they would on a…
Hume AI
Hume AI is a New York-based artificial intelligence research company and API platform, founded in March 2021 by Alan Cowen, that builds "emotionally intelligent" voice AI: models trained to measure human…
Inworld AI
Inworld AI is an American artificial intelligence company headquartered in Mountain View, California, that describes itself as a research lab and inference provider for consumer AI, selling realtime voice…
LiveKit Agents
LiveKit Agents is an open source framework for building realtime voice, video, and multimodal AI agents
Moshi
Moshi is a full-duplex speech-to-speech foundation model developed by Kyutai, a French nonprofit artificial intelligence research laboratory.
OpenAI Realtime API
The OpenAI Realtime API is a speech-to-speech interface from OpenAI that lets developers build low-latency, bidirectional voice AI applications powered by GPT-4o and later by the purpose-built gpt-realtime…
Pipecat
Pipecat is an open-source Python framework for building real-time voice and multimodal conversational AI agents.
PolyAI
PolyAI is a British enterprise voice AI company founded in 2017 that builds autonomous phone agents for large-scale contact centers.
Retell AI
Retell AI is a voice AI agent platform that enables businesses to build, deploy, and manage AI-powered phone agents for inbound and outbound call automation.
Sindarin
Sindarin (stylized sindarin. and operating as Sindarin Persona) is a small American startup building a real-time conversational voice AI platform for developers.
Siri
Siri is the voice assistant developed by Apple Inc. that launched on the iPhone 4S on October 14, 2011, a launch SRI credits with "bringing voice assistants into the mainstream".
Tavus
Tavus is an American generative AI research company headquartered in San Francisco, California, that develops video generation models and real-time conversational video technology.
Vapi
Vapi is a voice AI orchestration platform that lets software developers build, deploy, and scale AI phone agents through a programmable API.
Voice assistant
A voice assistant is a software agent whose primary interface is spoken language: it listens for a trigger, converts speech to a machine-readable request, decides what the speaker wants, and answers with…