OpenAI uses GPT-6 and Codex to clean up its codebase
What happened
On October 14, 2026, AI HOT reported that OpenAI engineers shared practices and prompting methods for maintaining a codebase with the GPT-6 series. The OpenAI Core Experimentation team used the GPT-6 series and Codex to clean up code and stale experiments, merging more than 1,400 maintenance PRs and deleting more than 800,000 lines of code. The share focused on codebase maintenance, disclosing how the team used the tools for cleanup work and the maintenance results achieved so far.
Written by AI from the coverage · updated 45 minutes ago
Coverage
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- AI HOT · Tips & opinionsPickOpenAI engineer shares how the GPT-6 series and Codex maintain a codebase
OpenAI's Core Experimentation team used the GPT-6 series and Codex to clean up code and stale experiments, merging more than 1,400 maintenance PRs and deleting over 800k lines of code.
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