Trusted by
thousand of developers:
4M
lines of code analyzed
125,000
unit tests generated
3000
potential bugs identified

Lead with unbreakable software
Regression Guard for teams shipping at AI speed

As code changes faster, the challenge is no longer just reviewing PRs — it’s protecting the wider system

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Delivering Reliable Tests at Scale
15
M
lines of code analyzed
366,654
tests generated
7,712
potential bugs identified
Hundreds of users form
these companies already:
4M
lines of code analyzed
125,000
unit tests generated
3000
potential bugs identified

The Code Quality Crisis

AI code gen tools are great for accelerating your development cycles, but the massive amounts of code they create adds a lot of complexity to your codebase.

This significantly reduces the quality of your code and increases the risk of critical bugs, making fast and efficient code testing and validation more critical than ever.

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Users from these companies already
generated tests using Early

Meet Early

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Early is a Regression Guard platform built around Early’s regression code review, detecting breaking changes across your codebase, and critical business flows

Guardrials and test visibility provide the context behind every regression signal

How Early Works

Regression Code Review
Detect breaking changes in the context of your full codebase
Repository Guardrails
Ensure every repo meets your quality standards
API & Workflow Protection
Catch breaking changes before they spread
Risk & Coverage Visibility
Track risk, outcomes, and protection coverage
Meet Earl!
Your personal and powerful AI test engineer!
Pull Requests
Generate tests in a click and
merge your PR faster
Enhance your tests
Refine and adjust results with simple IDE prompts
Green and red tests
Expand coverage, proactively identify potential issues
High-quality testing
All the tests + mocks, happy paths, edge cases and docs
Complete coverage
Broader & deeper, ensuring all essential functions are tested

Why Engineers Choose Early

Protect APIs and critical workflows from regression — across every PR andrepositories

Organization-Wide Coverage
Regression protection across every team and repository
Flexible Triggers
Run on every PR or on-demand across repositories
Consistent Standards
Enforce quality benchmarks across all teams
Complete Visibility
Track risk, outcomes, and protection coverage
Central Control
Set quality guardrails centrally while teams stay focused on building

6 Steps for Embedding Test Generation Agents
Into Your PR Workflow

  • A practical workflow for using test generation agents in real codebases 
  • Protect existing behavior, validate new changes, and prevent regressions 
  • Move from writing tests manually to supervising test quality across the lifecycle 
Read full case study

Results: 1860 green working
tests with 77% coverage

No prompts, no human edits, just one autonomous Cl run

EQS: One Number for Real Test Quality

Leadership Insights

How to Embed AI Test Code Generation Agents Into Your PR Workflow and protect from Regression
Alt text on the main image: Diagram illustrating how AI test code generation agents integrate into a pull request workflow to protect existing code and reduce regression risk
AI-Generated Code at Enterprise Scale
Where Trust, Testing, and Maintainability Break Down
Pull Request Coverage: How to Measure What Really Matters in a Pull Request
A practical metric for evaluating the test quality of incremental code changes.

Consistent, High-Quality Tests
Trusted by Engineering leaders !

YouTube preview
A month of creating working test code done in two hours for a 100X productivity boost
YouTube Video
How to easily create 30 unit tests in less than one
minute and find 4 bugs!

Leadership Insights

API Security Is Still Tested From the Outside
Many API security failures come from untested assumptions in code, not just sophisticated attacks.
Protecting a Growing TypeScript Codebase with AI Test Generation: How ExpressoTS Used Early
How ExpressoTS Generated 206 Unit Tests, Achieved 89% Code Coverage, and Saved a Month of Work Using EarlyAI
How to Embed AI Test Code Generation Agents Into Your PR Workflow and protect from Regression
Alt text on the main image: Diagram illustrating how AI test code generation agents integrate into a pull request workflow to protect existing code and reduce regression risk

Still guessing what your last release broke?

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30 green unit tests in less than a minute

Early automatically generates and maintains verified and validated unit tests. Bringing your software products up to code with minimal effort.

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