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TREX

Software testing · by Greptile

A Greptile agent that writes and runs tests for every PR in a sandbox to catch bugs and missed edge cases.

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Where it ranks

Current edition · updated Oct 20, 2026

What it does

A Greptile agent that writes and runs tests for every PR in a sandbox to catch bugs and missed edge cases. Currently in public beta.

  • AI code review
  • PR bug detection
  • codebase validation
  • runtime test generation
Category
Software testing
Users
Engineering teams, YC startups, Big tech, Finance and 2 more
Public API
Not offered

Not yet disclosed: deployment options, platforms, languages and support channels.

Pricing

  • Free plan$0

Free trial on paid plans

Prices as published by Greptile, checked Oct 2026.

Security and compliance

As reported by Greptile. Ask for audit reports before you buy.

  • SOC 2 Type IICertified
  • data-at-rest encryption
  • data-deletion
  • self-hosted deployment
  • audit-logging
  • sso
  • opt-out AI training

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