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Otter.ai
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.
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$100M