Kate Rooney / CNBC:

Bret Taylor's Sierra, which sells AI customer service agents, raised a $950M Series E led by Tiger and GV at a $15.8B post-money valuation, up from $10B in 2025  —  Artificial intelligence startup Sierra is raising nearly a billion dollars in a new funding round, CNBC has learned …

Kate Rooney / CNBC:

Bret Taylor's Sierra, which sells AI customer service agents, raised a $950M Series E led by Tiger and GV at a $15.8B post-money valuation, up from $10B in 2025  —  Artificial intelligence startup Sierra is raising nearly a billion dollars in a new funding round, CNBC has learned …

Source: TechMeme
Source Link: https://www.techmeme.com/260504/p18#a260504p18