Big round · 20 October 2026

Otter.ai raises $320M growth round led by General Catalyst

By Millionrounds ResearchPublished 21 October 2026

Otter.ai, based in United States, has raised $320M in a growth round led by General Catalyst and General Catalyst's Customer Value Fund (CVF), announced on 20 October 2026. It is the 167th largest equity round we recorded in the twelve months to that date, and the 63rd largest growth round of 263. The median growth round over the same period was $115M, so this one is 2.8 times that. Its previous round on record was a Series B of $40M in February 2021, 69 months earlier.

Raised$320M9 sources reported it
StageGrowth1 earlier round on record
Investors22 named as lead
Where USUnited States

AI

How big is it?

Against every equity round we recorded in the twelve months to 20 October 2026. Ranks count companies, so the same raise reported twice is counted once.

#167equity round of the last twelve months
#63growth round of 263 in that time
#117round in United States, of 1,235
This round$320M
Median growth round$115M

2.8 times the median growth round of the last twelve months.

Who invested

Funding history

  1. October 2026Growth$320M
  2. February 2021Series B$40M

$360M raised across the 2 rounds we hold.

Reported by

  1. pulse2.com20 October
  2. Silicon Angle20 October
  3. techcrunch.com20 October
  4. Tech Funding News20 October
  5. AI Insider20 October
  6. Ventureburn20 October
  7. briefia.fr20 October
  8. TechStartups21 October
  9. Wowtale22 October

The round's figures come from these reports; each link opens the original.

Other big rounds that week

Kalshi$1.0B Series GPPathos AI$237M Series EWWarhound$200M SeedWWarp Sciences$215M Series AXona$250M Series DTractian$130M Series D
The companyOtter.ai on Millionrounds→Weekly roundupWeek of 19 October→Monthly roundupOctober 2026→