Karat
How it works
ExtraBrain runs as a Mac desktop app during practice and, where allowed, live sessions. It transcribes the conversation, reads visible code, and keeps your approach and complexity notes organized.
Summary
Key takeaways
Karat Interview Assistant - ExtraBrain is part of ExtraBrain's local-first Mac workflow for live interviews, meetings, transcription, provider control, and responsible AI use.
Page focus
Karat runs technical interviews on behalf of many companies, with a live interview engineer and a coding environment. ExtraBrain helps you prepare and review so your problem solving and communication are sharp.
Platform fact
ExtraBrain has 1 current public platform family, macOS, with support for 2 Mac CPU families: Apple Silicon and Intel.
Data-flow fact
ExtraBrain has 3 configurable data paths to review before sensitive work: local Parakeet transcription, local Gemma 4 where installed and compatible, and external providers you choose.