# Datadog uses Codex for system-level code review

DevFeed: [Datadog uses Codex for system-level code review](<https://devfeed.tech/articles/datadog-uses-codex-for-system-level-code-review-6367.md>)

Original publisher: [Read original article](<https://openai.com/index/datadog>)

Published: 2026-01-09T00:00:00Z

Content type: article

Language: en

Sources: [OpenAI News](<https://devfeed.tech/sources/openai-news.md>)

Topics: [GitHub Copilot code review](<https://devfeed.tech/topics/github-copilot-code-review.md>), [codex](<https://devfeed.tech/topics/codex.md>), [AI-assisted coding](<https://devfeed.tech/topics/ai-assisted-coding.md>), [Code review](<https://devfeed.tech/topics/code-review.md>), [OpenAI](<https://devfeed.tech/topics/openai.md>), [observability](<https://devfeed.tech/topics/observability.md>), [distributed-systems](<https://devfeed.tech/topics/distributed-systems.md>), [incident](<https://devfeed.tech/topics/incident.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [ai-development](<https://devfeed.tech/tags/ai-development.md>), [analysis](<https://devfeed.tech/tags/analysis.md>), [codex](<https://devfeed.tech/tags/codex.md>), [coding](<https://devfeed.tech/tags/coding.md>), [company](<https://devfeed.tech/tags/company.md>), [incident](<https://devfeed.tech/tags/incident.md>), [observability](<https://devfeed.tech/tags/observability.md>), [openai](<https://devfeed.tech/tags/openai.md>), [production](<https://devfeed.tech/tags/production.md>), [pull-request](<https://devfeed.tech/tags/pull-request.md>), [pull-requests](<https://devfeed.tech/tags/pull-requests.md>), [review](<https://devfeed.tech/tags/review.md>), [tools](<https://devfeed.tech/tags/tools.md>), [workflows](<https://devfeed.tech/tags/workflows.md>)

## AI overview

Datadog integrates OpenAI's Codex coding agent into pull request workflows to perform system-level code review. The article describes automated reviews across a major repository, engineer feedback, and an incident replay harness using historical incidents to evaluate whether AI-assisted review can identify systemic risks beyond style issues.

## Source excerpt

OpenAI and Datadog brand graphic with the OpenAI wordmark on the left, the Datadog logo on the right, and a central abstract brown fur-like texture panel on a white background.