Relai listens to your lectures and meetings in real time, transcribes everything, and answers your questions instantly — without you lifting a finger.
Free to use · No credit card required
Relai runs silently in the background while you focus on what matters.
Every word appears on screen as it's spoken. No delays, no gaps — just a clean, live transcript of everything being said.
Press one key and Relai reads the transcript, finds the question being asked, and gives you a clear, direct answer in seconds.
Save any session as a polished PDF with a full transcript, AI-generated summary, key concepts, and your complete Q&A log.
Load your lecture slides or notes and Relai will pull relevant passages automatically when answering your questions.
The overlay sits above every other window. Switch tabs, open your IDE, watch a video — Relai stays visible and ready.
Audio is processed and discarded in real time. Nothing is stored or sent anywhere except what you explicitly save.
No configuration required. Just download, sign in, and start listening.
Install Relai on your Windows PC and log in with your account. Takes about 60 seconds.
Hit the Listen button. Relai captures your system audio — no microphone required.
Press Ctrl+Enter at any moment and Relai finds the question in the transcript and answers it.
When you're done, hit Save and get a polished PDF with the full transcript and summary.
Available for Windows now. macOS coming soon.