OpenAI Blog
Jan 14
How OpenAI Uses Codex to Accelerate Engineering
A detailed look at how OpenAI teams use Codex to understand code, refactor systems, improve performance, boost velocity, and enhance engineering workflows.
How Ultrafast cut incident investigation from hours to minutes at OpenAI
OpenAI engineers use Codex Ultrafast to cut incident investigation time from hours to minutes. The tool enables faster security analysis, code refactoring, and integration into daily workflows. This demonstrates a significant efficiency improvement in handling incidents.
Related stories
OpenAI Blog
Oct 9
Sophos cuts threat investigation time by 96% with OpenAI Daybreak
Sophos has implemented OpenAI’s Daybreak to dramatically reduce cyber‑threat investigation time, cutting it by 96%. The solution also automates 52% of Managed Detection and Response (MDR) cases while maintaining human oversight. This integration showcases how AI can streamline security operations and enhance efficiency.
OpenAI Blog
Sep 29, 2025
Empowering teams to unlock insights faster at OpenAI
OpenAI’s research assistant helps teams analyze millions of support tickets, surface insights faster, and scale curiosity across the company.
OpenAI Blog
Oct 27
How Check Point accelerates vulnerability research with Daybreak
With OpenAI Daybreak, Check Point speeds up the research behind new security protections, enabling its analysts to turn vulnerability intelligence into customer defenses faster.
OpenAI Blog
Feb 13
Beyond rate limits: scaling access to Codex and Sora
How OpenAI built a real-time access system combining rate limits, usage tracking, and credits to power continuous access to Sora and Codex.
OpenAI Blog
Mar 6, 2025
Accelerating engineering cycles 20% with OpenAI
Accelerating engineering cycles 20% with OpenAI.
OpenAI Blog
Dec 17, 2024
OpenAI o1 and new tools for developers
Introducing OpenAI o1, Realtime API improvements, a new fine-tuning method and more for developers.
OpenAI Blog
Sep 6
Research acceleration: The view inside OpenAI
The article discusses how coding agents are transforming AI research within OpenAI. It presents early data on agent usage, experiment velocity, task complexity, and the resulting acceleration of research. The piece highlights the growing role of these agents in speeding up development and experimentation.
OpenAI Blog
Sep 29, 2025
Building OpenAI with OpenAI
At OpenAI, we rely on our own technology to help streamline work, scale expertise, and drive outcomes. In our new series, OpenAI on OpenAI, we share lessons to help other organizations do the same.
OpenAI Blog
Jul 24, 2025
Resolving digital threats 100x faster with OpenAI
Discover how Outtake uses GPT-4. 1 and OpenAI o3 to power AI agents that detect and resolve digital threats 100x faster than before.
OpenAI Blog
1d ago
How Cisco defends at machine speed with OpenAI
Cisco integrates network intelligence with OpenAI models to enhance enterprise security. The approach focuses on building more adaptive defenses that operate at machine speed. By combining these technologies, Cisco aims to strengthen its security posture across the network.
OpenAI Blog
Jan 29
Inside OpenAI’s in-house data agent
How OpenAI built an in-house AI data agent that uses GPT-5, Codex, and memory to reason over massive datasets and deliver reliable insights in minutes.