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HumanLayer

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HumanLayer

Getting AI Coding Agents to solve hard problems in complex codebases

humanlayer.dev
HQ: San Francisco, CA, USA
1-10
B2B

Company research

Public company, workplace, funding, and market signals

Updated Jul 30, 2026

Overview

HumanLayer is a San Francisco-based, YC F24 software development company building an AI IDE/collaboration platform and human-in-the-loop approval layer for coding agents. Its product combines context-engineering workflows, multi-repo agent orchestration, and BYOK pricing to help teams ship faster while preserving code quality and architecture.

Primary product

AI IDE and collaboration platform for human-in-the-loop coding agents (HumanLayer / CodeLayer)

Founded

2023

Headquarters

San Francisco, California, United States

Team size

1-10

Work style

Onsite

Industry

Software Development

Sub-industry

AI coding agents / AI IDE / developer tools

Offices

San Francisco, California, United States
Marina/Russian Hill, San Francisco, California, United States

Business model

freemium SaaS
subscription SaaS
usage-based / credits-based pricing
enterprise custom contracts
enterprise services / forward deployment

Funding

Stage

pre-seed

Total raised

$500K

Latest round

Pre-Seed · Dec 2024

Latest amount

$500K

Pre-Seed

Dec 2024 · Y Combinator

$500K

People & investors

Leadership

Dexter Horthy

CEO and Co-Founder

Kyle Mistele

Chief Technology Officer

Investors

Batch Ventures
Multimodal Ventures
Pioneer Fund
Preface Ventures
Y Combinator

Work & culture

Engineering-led, high-rigor culture focused on context engineering, human review, and avoiding AI-generated 'slop.' Public writing emphasizes research-plan-implement workflows, fast iteration, and in-person collaboration for hard codebase problems.

Work style

Onsite

Visa sponsorship

Limited

Compensation

Public job posting signals a Founding Product Engineer role at $180k-$250k base salary plus 1%-3% equity, with SF in-person expectations and relocation support.

Product & market

Pricing

Freemium subscription SaaS with BYOK, transparent usage-based/credits-based pricing, and custom enterprise pricing.

Differentiators

  • —Human-in-the-loop approval workflows across Slack, email, SMS, and more
  • —BYOK model with no separate per-token bill
  • —Multi-repo workspaces and worktrees
  • —Remote daemons for long-running agent work
  • —Context-engineering / frequent intentional compaction
  • —Research / Plan / Implement and QRSPI workflows
  • —Enterprise controls such as SSO/SAML, audit logs, and on-prem/private VPC

Technology

GitHub
TypeScript
Python
MySQL
OAuth
Claude Code
Slack
YouTube
Vim
Linear
Jira

Customers

YC startups
Fortune 500 companies
Block
Uber
engineering leaders
OSS maintainers
production software teams with complex brownfield codebases

Competitors

Claude Code
Cursor
Continue.dev
Kiro

Scale & contact

Estimated revenue

Approximately $500k-$700k ARR (third-party estimates vary from roughly $513k to $660k)

Estimated monthly visits

197.4K

Traffic estimate as of Jun 2026

contact@humanlayer.dev

Latest news

HumanLayer Warns Lights-Off AI Coding Factories Erode Quality

AI Weekly · Jul 2026

Summary of a HumanLayer essay arguing that harness engineering alone cannot fix long-term codebase quality and that human involvement is still needed in design and architecture.

Context engineering with Dex Horthy

The Pragmatic Engineer · Jul 2026

Interview/podcast discussing Dex Horthy’s context-engineering ideas and how HumanLayer is using them to help teams automate more of the SDLC without sacrificing code quality.

Making AI Agents Mainstream with Dexter Horthy

The Humans in the Loop · Mar 2026

Interview on what’s needed for mainstream agentic adoption, including HumanLayer’s Research / Plan / Implement workflow and context-engineering approach.

The four startups from YC's Fall batch that enterprises should pay attention to

TechCrunch · Dec 2024

TechCrunch profiled HumanLayer as an enterprise startup whose API lets AI agents contact humans for help and approval.

Launch HN: Human Layer (YC F24) – Human-in-the-Loop API for AI Systems

Hacker News · Nov 2024

Launch thread where Dex described HumanLayer as an API for human-in-the-loop approvals, with free tier, usage-based pricing, and Slack/email/SMS workflow routing.

BlogGitHub organizationGitHub READMEHomepageJobsLaunch HNLinkedIn companyPricing / docsTechCrunch profileYC company page
SourcesOfficial homepageOfficial docsOfficial blogYC company pageYC jobs pageLinkedIn company pageGitHub organizationGitHub READMELaunch HN postTechCrunch profilePragmatic Engineer interviewAI Weekly articleCB Insights financialsTracxn funding page

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