AI BriefingOpenAI engineers use Codex Ultrafast to cut incident investigation from hours to minutes
·2026.10.26 16:00
Key point
The high-speed mode allows engineers to investigate multiple causes simultaneously, reducing security issue resolution from an hour or two to near real-time.
Details
- OpenAI engineers have adopted Codex Ultrafast as the default for incident response, reducing investigation times from hours to minutes and enabling parallel analysis of potential causes.
- Security investigations that previously took an hour or two to normalize data and provide context now take 10 to 15 minutes, with some cases reaching near real-time resolution.
- The sub-30-second response time keeps engineers in a real-time workflow, preventing context loss and making large code refactors and technical debt reduction significantly faster.
- Ultrafast supports daily operations by acting as a copilot for tasks like summarizing meetings, checking Slack for context, and automating browser-based form filling, which was previously avoided due to latency.
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