Back icon Back
Sierra

Sierra

Company

Sierra, the AI startup co-founded by OpenAI chairman Bret Taylor, has raised $175 million in a funding round that values the startup at $4.5 billion. Sierra, launched by Taylor and longtime Google exec Clay Bavor, focuses on selling AI-powered customer service chatbots to brands like WeightWatchers and Sirius XM.

https://techcrunch.com/2024/10/28/bret-taylors-customer-service-ai-startup-just-raised-175m/

Date

Oct 28, 2024

Category

ai

Lead investor

Country Icon Greenoaks

Stage

Seed

Size

$175M

Explore similar Investments to Sierra

Company
Size
Date
Lead Investor
Press
Goodfire

Goodfire

Company
$50M
Apr 17, 2025
Investor Menlo Ventures
Source
Arcade

Arcade

Company
$25M
Mar 24, 2025
Investor Canaan Partners
Source
Greptile

Greptile

Company
$4M
Jun 6, 2024
Investor Initialized Capital
Source
Warp

Warp

Company
$18M
Jun 18, 2025
Investor Sound Ventures
Source
Moment

Moment

Company
$36M
Jul 9, 2025
Investor Index Ventures
Source
Socket

Socket

Company
$40M
Oct 22, 2024
Investor Abstract Ventures
Source
Legora

Legora

Company
$80M
May 21, 2025
Investor General Catalyst
Source
Hanomi

Hanomi

Company
$3M
Mar 18, 2025
Investor HF0
Source
Omnea

Omnea

Company
$20M
Oct 14, 2024
Investor Accel
Source
Bland

Bland

Company
$16M
Aug 28, 2024
Investor Scale Venture Partners
Source
Port IO

Port IO

Company
$35M
Oct 15, 2024
Investor Accel
Source
Atlas

Atlas

Company
$2M
Nov 14, 2024
Investor Pale blue dot
Source

Startups, venture funds
& everything in between.

Explore verified companies, top VCs, and practical guides built to help you raise, invest, and grow faster.
Made by Omnius. For builders, by builders.
Venture Funds Startups Investments Events Programs Case Studies Interviews & Lectures Reports & Publications