KITT By LiveKit

Paid

KITT by LiveKit: Real‑time multimodal AI for live voice, video, and text

5.0

#open-source#real-time#multimodal AI#live voice#video#text conversations#WebRTC#media server#speech-to-text#LLM reasoning#text-to-speech#answer questions#take notes#summarize discussions#translate languages#conversation history#plugin integrations#animated avatars#production-grade infrastructure#developer-friendly#low-latency AI#apps#websites#devices

Inputs: audio, video, textOutputs: audio, video, text

Type

Saas

Company

LiveKit

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About KITT By LiveKit

KITT is an AI-powered tool that allows users to engage in live conversations with ChatGPT in real-time. Using WebRTC, KITT offers a comprehensive suite of features that enable a variety of use cases, such as video conferencing, live streaming, robotics, and metaverse. KITT is highly scalable, offering flexible pricing options and the ability to deploy in the cloud. With KITT, users can improve communication, increase collaboration, and accelerate productivity. The intuitive interface allows users to quickly and easily initiate conversations, join live streams, and build their own virtual worlds. KITT provides a secure and reliable platform, as well as advanced features such as natural language processing and sentiment analysis. Whether you need to host a meeting, stream a presentation, or build a virtual world, KITT has the tools you need to get the job done.

Key Features

Live, real‑time voice and video conversations with AI

Multimodal input/output across voice, video, and text

Streaming STT → LLM → TTS pipeline for natural interactions

Low‑latency, network‑resilient WebRTC transport

Multi‑language understanding and live translation

Session‑level conversation history and contextual memory

Plugin architecture with integrations for major STT, TTS, and LLM providers

Voice activity detection and sentence splitting utilities

Animated/composable avatars for expressive visual agents

Production‑grade orchestration, load balancing, and horizontal scaling

Pros & Cons

Pros

Open-source and customizable, giving developers full control
Low-latency, real-time performance for natural conversational flow
Multimodal capabilities (voice, video, text) in a single agent
Scalable architecture suitable for both small projects and enterprise deployments
Plugin ecosystem and integration with LiveKit's Agents framework
Active community and GitHub repository with example code

Cons

Free tier usage limits for hosted version should be verified with LiveKit
Relies on third-party LLM and STT/TTS services (e.g., OpenAI) which incur their own costs
Setup complexity for developers unfamiliar with WebRTC and LiveKit
Output quality depends on underlying models and may require tuning
Requires stable internet connection for low-latency real-time interaction

Best For

Product teams: Embed a voice/video AI assistant in apps to answer questions, guide onboarding, and reduce support load.Customer support: Deploy a multilingual call or chat copilot that transcribes, translates, and responds in real time.Telehealth providers: Run HIPAA‑aligned virtual visits with live transcription, summaries, and language translation.Sales and marketing: Use an AI co‑host for interactive demos and live streams that responds to audience questions.Engineering teams: Prototype and ship multimodal agents quickly using open‑source SDKs and a pluggable STT/LLM/TTS stack.Education and training: Offer an AI tutor that can converse, translate, and summarize lessons in real time.Operations and IT: Spin up conferencing assistants that capture meeting notes, action items, and follow‑ups.Robotics and IoT: Add natural voice interfaces to robots and devices with low‑latency, on‑device friendly streaming.Contact centers: Augment agents with real‑time transcription, guidance, and post‑call summaries across languages.Global teams: Enable cross‑language collaboration with live translation and context‑aware responses.

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FAQ

What is KITT?

KITT (Kaleidoscopic, Interconnected Talking Transformer) is an open-source AI agent built by LiveKit that enables live, real-time conversations with large language models via voice, video, and text. It uses WebRTC and LiveKit's media infrastructure to provide low-latency multimodal interactions.

How does KITT achieve low latency?

KITT optimizes latency by using streaming speech-to-text, efficient transcription engines, and a pipeline that processes audio incrementally. It avoids waiting for full speech segments before sending to the LLM. The team evaluated multiple STT services and chose those with the best latency-accuracy trade-off.

Is KITT free to use?

KITT is open-source and free to self-host. LiveKit Cloud offers hosted versions with pricing starting at $0/month for the Build plan, but running KITT on your own infrastructure requires no license fees.

What languages does KITT support?

KITT can speak multiple languages and act as a third-party translator. Support depends on the underlying STT and TTS models used.