Worlds First
AI QA Engineer.
Paragon audits code, runs E2E tests, and monitors production. The reliability layer for high-velocity teams.

An AI QA engineer that reviews every PR,
tests every flow, and monitors production 24/7.

catches 40% more bugs before production with AI-powered code review.
How Paragon helps
Stay on the frontier
#1 in Bug Detection
Outperforms every AI code reviewer. 81.2% accuracy on ReviewBenchLite.
View benchmarksDeep Context Engine
Indexes your entire codebase. Understands dependencies and patterns across millions of lines.
How it worksBillingService, InvoiceGenerator, and 12 downstream consumers.Reviews That Feel Human
No robotic noise. Thoughtful feedback that sounds like your best senior engineer.
See examplesuser.permissions is undefined. Consider adding a guard clause, or even better, use optional chaining since you're already on ES2020.Complete test coverage
Full user journey validation from login to checkout. Simulates real browser interactions across your entire application.
Validates how modules work together. Tests API endpoints, database connections, and third-party service integrations.
Isolated function and component testing. Automatically generates tests for edge cases and boundary conditions.
Catches bugs before they reach production. Re-runs critical tests on every commit to prevent regressions.

CLI
Run tests and reviews directly from your terminal.
Don't let QA be the bottleneck anymore.
Reduction in manual QA time with Paragon.
Tests generated automatically.
Lines of code reviewed and tested with Paragon.
Trusted by the world's leading enterprises.


