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Kernel

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Kernel

Crazy fast, open source infra for AI agents to use the Internet

kernel.sh
HQ: San Francisco, CA, USA
1-10
B2B

Company research

Public company, workplace, funding, and market signals

Updated Aug 16, 2026

Overview

Kernel (kernel.sh) is a San Francisco-based software company building open source infrastructure for AI agents to access and use the internet, with browser automation and related tooling as the core offering.

Primary product

Open source browser/internet infrastructure for AI agents

Founded

2025

Headquarters

500 Sansome St, San Francisco, California 94111, US

Team size

11-50

Industry

Software Development

Sub-industry

AI infrastructure / browser automation

Offices

San Francisco, California, US

Business model

B2B SaaS
usage-based / API platform
enterprise support

Funding

Stage

Seed to Series A

Total raised

$44.7M

Latest round

Series A · Nov 2025

Latest amount

$16M

Series A

Nov 2025 · Accel

$16M

Seed Round

Sep 2025 · Y Combinator, Accel

$6.6M

People & investors

Leadership

Catherine Jue

Co-Founder & CEO

Danny Prevoznik

Founding Developer Relations Engineer

Founders

Rafael Garcia

Co-Founder & CTO

Investors

Accel
Cintrifuse
Cintrifuse Capital
Paul Graham
Refinery Ventures
SV Angel
Vercel Ventures
Y Combinator

Work & culture

Public messaging emphasizes speed, open source, frugality, and building infrastructure for AI/browser automation. The company also hosts events and appears to be hiring in San Francisco.

Visa sponsorship

Limited

Compensation

Public job signal found for a part-time Neurotech Operator role at $20-$25/hr and on-site work; no broader compensation philosophy was found on public sources.

Product & market

Pricing

Public docs indicate tiered plans including enterprise support; full pricing details were not surfaced in the research.

Differentiators

  • —Open source infrastructure for AI internet access
  • —Browser telemetry / structured browser event timelines
  • —Claims of reducing agent tool calls and token usage
  • —Trusted by named customers and 3000+ teams
  • —Enterprise support tiers with dedicated channels and account management

Technology

Vercel
GitHub
AMP
Stripe

Customers

Cash App
Framer
Squoosh AI
3000+ teams

Competitors

browser automation platforms
AI agent infrastructure vendors
cloud browser providers

Scale & contact

Estimated revenue

Unknown; no public revenue disclosed. Based on employee size and traffic, likely early-stage SaaS, but no defensible estimate found.

Estimated monthly visits

25.9K

Traffic estimate as of Jun 2026

Signals & risks

Other
Jul 2026

One documented departure: Erin Nielsen, Founding Product Operations Manager, left in Apr 2026.

Source
Other
May 2026

Moved into a new San Francisco office on Sansome and Clay; no negative risk signal, but shows rapid operational change.

Source

Latest news

Introducing browser telemetry: a stack trace for your browser agent

LinkedIn · Jul 2026

Kernel announced browser telemetry, described as a real-time structured timeline of browser events that can reduce tool calls and token usage.

Welcome to Kernel, Legora

LinkedIn · Jul 2026

Kernel social post saying Legora uses Kernel to guarantee accuracy of GTM entity data; useful as a customer reference in Kernel.ai context, but may refer to the separate London company Kernel.ai if misread.

Kernel partners with Anthropic to give Claude Managed Agents browser capabilities

Kernel LinkedIn · Jun 2026

Kernel announced a partnership with Anthropic to connect Claude Managed Agents to Kernel browsers, enabling long-horizon browser tasks with secure managed auth and hosted browser infrastructure.

Squoosh AI moved to Kernel for parallel AI-powered customer simulations

LinkedIn · Jun 2026

Customer story highlighting migration from self-hosted browsers to Kernel and faster A/B testing feedback loops.

First day at new SF office on Sansome and Clay

LinkedIn · May 2026

Company announced its first day at a new San Francisco office.

BlogCareersCatherine Jue LinkedInCustomersDocsDocs / docs indexGitHubHomepageLinkedIn companyPricing
SourcesKernel homepageKernel docs supportKernel privacy policyKernel system statusLinkedIn company pageCatherine Jue LinkedIn

Jobs and careers at Kernel

4 jobs at Kernel

Account Manager

On-site
Growth, Sales & Marketing
London; London, England, United Kingdom
5d ago
On-site
Full-time
Apply

Founding Product Designer

On-site
Product
London; London, England, United Kingdom
1w ago
On-site
Full-time
Apply

Business Development Representative

On-site
Growth, Sales & Marketing
London; London, England, United Kingdom
3w ago
On-site
Full-time
Apply

Commercial Associate

On-site
Growth, Sales & Marketing
London; London, England, United Kingdom
3w ago
On-site
Full-time
Apply

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