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  1. Explore
  2. Sierra
S

Sierra

Enterprise Software

Sierra helps businesses build better, more human customer experiences with AI.

Industries
Artificial Intelligence (AI)Enterprise SoftwareSaaSSoftware
Investors
BenchmarkGreenoaksSV AngelSequoia CapitalThrive Capital
Subsectors
Enterprise Software
Cities
San Francisco
Countries
United States

About

Sierra AI develops artificial intelligence systems focused on improving customer experience through automated, conversational interactions. Its platform enables businesses to build and deploy AI agents that communicate with users across channels such as chat, voice, email, and messaging, handling both simple inquiries and more complex service

GitHub

GithubOrg
sierra-inc
GitHub Stars
4
GitHub Repos
6
Top Language
Swift
Last Push
2026-06-24T00:00:00.000Z

Details

LegalName
Sierra Technologies, Inc.
LeadInvestors
Sequoia Capital, Thrive Capital, SV Angel, Greenoaks, Benchmark
Founders
Bret Taylor, Clay Bavor
KeyPeople
Clay Bavor — Co-Founder, Bret Taylor — Founder
Email
privacy@sierra.ai
HQ City
San Francisco
HQ State
California
HQ Country
United States
At a glance
Total Funding
$1.6B
Headcount
501-1000
Founded
2023
Funding Rounds
5
# Investors
11
Acquisitions
3
Monthly Web Visits
182.8K
Headcount (mid)
750
Funding / Round
$320M
Funding / Employee
$2.1M
HN Stories
1K
HN Top Points
3,001
Momentum Score
36
Momentum Rank
75
Website

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Headcount
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HHiggsfield

Higgsfield is a video AI firm aimed to making social media content creation accessible to everyone.

Generative AIArtificial Intelligence (AI)Generative AISocial MediaVideo Editing
Total Funding
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Headcount
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TATogether AI

Build what's next on the AI Native Cloud. Full-stack AI platform for inference, fine-tuning, and GPU clusters — powered by cutting-edge research.

AI InfrastructureAI InfrastructureArtificial Intelligence (AI)Generative AIIT InfrastructureMachine Learning
Total Funding
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Headcount
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More Countries

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