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Holiday Extras rebuilds its travel app with Codex

Original title: Holiday Extras is rethinking what it can build with Codex

OpenAI News ()6 min read1
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AI summary · x-ai/grok-4.7Summaries by Vani AI

OpenAI says open-to-book conversion rose 32.5 percent and the main app error rate fell from 19 percent to 9 percent.

OpenAI published a November 12 customer story about UK travel firm Holiday Extras using ChatGPT Enterprise and Codex. The company says a working rebuild of its main app took two weeks instead of more than six months, then shifted to weekly releases. Engineers kept architecture, APIs, security controls and workflows while Codex was used across apps and internal systems. The conversion and error figures are company-reported comparisons across different periods.

Unconfirmed: Conversion and error-rate results are Holiday Extras and OpenAI customer-story claims compared across different periods.

Key facts
  • Open-to-book conversion on the rebuilt main app rose 32.5 percent.
  • The main app error rate fell from 19 percent to 9 percent.
  • Major app changes had previously centered on an annual release.
  • Countdown moved from roughly one feature every six months to multiple additions a week.
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From the original article

6 min read at openai.com

With Codex, Holiday Extras is turning customer expertise into better apps, higher booking conversion and new possibilities for growth.

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.