Otter.ai
Otter.ai sells an AI meeting assistant that transcribes, summarizes and extracts action items from conversations, for individuals, teams and enterprises.
Otter.ai makes an AI meeting agent and notetaker that provides live transcription, summaries, action items and cross-meeting search. Its users include business professionals, students, journalists and enterprises, and it sells through free and paid subscription tiers. The company was founded in 2016 as AISense by Sam Liang and Yun Fu. It has raised about $63–73M in total, with the last round a Series B in February 2021. It announced $100M ARR in December 2025 and says it has more than 35 million users.
AI meeting notes and meeting agents. The company announced it crossed $100M ARR in October 2025 while launching its agent suite. Valuation: undisclosed; $50M Series B (Feb 2021). Valuation shown is a Lounge estimate at 10x ARR (no reported valuation).
