# Greptile uses GPT-6 Astra for bug detection

> Greptile's AI agents test apps and reduce bugs with GPT-6 Astra.
- Title: Greptile uses GPT-6 Astra for bug detection · OpenAI
- Summary: Greptile's AI agents test apps and reduce bugs with GPT-6 Astra. Greptile uses GPT-6 Astra to automate testing and reduce rework for software companies.
- Keywords: greptile, gpt-6, astra, code review, bug detection, software testing, ai agents, technology, uses, bug, detection, OpenAI
- Source: OpenAI — https://openai.com/index/greptile-code-review-codex-astra
- Read time: 1 min
- Topics: greptile, gpt-6, astra, code review, bug detection, software testing, ai agents, ai, technology
## Greptile's mission
Greptile reduces bugs and makes software more reliable.

> We are in the business of reducing bugs and making the world’s software more reliable
## GPT-6 Astra testing
GPT-6 Astra tests user workflows by simulating real device interactions.

> For the first time ever, computer use is in a place where you can automate the experience of having a user try to break your application and allow large companies to ship much more confidently
## Daybreak security
Daybreak strengthens security for startups with advanced defense mechanisms.

> We want to make it very easy for even a startup to secure their systems
## Codex reduces rework
Codex cuts code rework by understanding existing code patterns.

> When we provide agents with context, fewer reverts happen and customers save time and save inference
## Ultrafast development
Ultrafast speeds up development by turning ideas into working software quickly.

> I’m most excited about Ultrafast as a lever for us to move exactly as fast as we can come up with good ideas
## Key takeaway

Greptile uses GPT-6 Astra to automate testing and reduce rework for software companies.