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Greptile Uses GPT-6 Astra to Automate Application Testing and Security

·2026.10.27 07:00

Key point

The startup leverages the model's computer use capabilities to simulate user interactions and detect UI bugs that static code review misses.

Greptile deploys GPT-6 Astra to automate application testing by simulating user workflows, such as resizing browsers to mobile viewports to detect hidden UI elements.
The company uses Daybreak to enhance customer security, aiming to provide startups with defense mechanisms that outpace attacker capabilities.
Thousands of customers connect Codex to Greptile's Knowledge Base via a Model Context Protocol (MCP) server, reducing code reverts and saving inference costs.
Greptile plans to use Ultrafast to accelerate its own development cycle, targeting a workflow where enterprise software changes are as easy to ship as side projects.

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