# Rakuten fixes issues twice as fast with Codex

DevFeed: [Rakuten fixes issues twice as fast with Codex](<https://devfeed.tech/articles/rakuten-fixes-issues-twice-as-fast-with-codex-6624.md>)

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

Published: 2026-03-11T00:00:00Z

Content type: article

Language: en

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

Topics: [codex](<https://devfeed.tech/topics/codex.md>), [Artificial Intelligence](<https://devfeed.tech/topics/ai.md>), [CI/CD](<https://devfeed.tech/topics/cicd.md>), [Code review](<https://devfeed.tech/topics/code-review.md>), [Incident response](<https://devfeed.tech/topics/incident-response.md>), [Monitoring](<https://devfeed.tech/topics/monitoring.md>), [telemetry](<https://devfeed.tech/topics/telemetry.md>), [Azure](<https://devfeed.tech/topics/azure.md>), [Security](<https://devfeed.tech/topics/security.md>), [vulnerability](<https://devfeed.tech/topics/vulnerability.md>)

Tags: [agentic](<https://devfeed.tech/tags/agentic.md>), [azure](<https://devfeed.tech/tags/azure.md>), [ci-cd](<https://devfeed.tech/tags/ci-cd.md>), [codex](<https://devfeed.tech/tags/codex.md>), [incident-response](<https://devfeed.tech/tags/incident-response.md>), [monitoring](<https://devfeed.tech/tags/monitoring.md>), [openai](<https://devfeed.tech/tags/openai.md>), [review](<https://devfeed.tech/tags/review.md>), [telemetry](<https://devfeed.tech/tags/telemetry.md>), [vulnerability](<https://devfeed.tech/tags/vulnerability.md>)

## AI overview

Rakuten uses OpenAI Codex across engineering operations and software delivery to accelerate incident response, automate code review and vulnerability checks in CI/CD, and advance complex projects from specifications to working implementations. The article reports a roughly 50% reduction in MTTR and 3-4x faster potential build times.

## Source excerpt

Results 50% Reduction in MTTR Results 3-4x Faster potential build time for projects - from quarters to weeks Rakuten(opens in a new window) is a global innovation company operating across e-commerce, fintech, and mobile communications, serving both consumers and merchants at massive scale. With 30,000 employees worldwide, its engineering teams ship across a large, complex product ecosystem where both speed and reliability are essential.