Expired50% confidenceFactExact time
After discovering it was falling behind in features, OpenAI Codex completed two key technical catch-ups in just 11 days.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Claude Code vs Codex: A Deep Comparison — Who Wins When the Tech Converges
bilibili学AI的乘风同学6/15/2026
Related Claims
UnverifiedOpenAI Codex took 1 minute and 15 seconds to complete the bug analysis, automatically applied the fix, and ran tests to confirm the fix was effective.67% similarUnverifiedIn the first experiment, Codex completed the development task in 8 minutes and 40 seconds.62% similarUnverifiedThe demonstrator used Codex to complete a first usable version of a native macOS notes application in under 10 minutes.62% similarUnverifiedIn actual testing, Codex completed a search result sorting bug fix task in 2 minutes and 18 seconds.61% similarUnverifiedOpenAI engineers have successfully completed large-scale refactoring tasks exceeding 10 hours using plans.md with Codex60% similar
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