An OpenAI researcher describes using Codex AI to automate due diligence, code exploration, and hyperparameter tuning for experiments.
The author describes using an LLM (Codex) to rewrite the pycparser project, replacing its PLY-based parser with a hand-written recursive-descent parser.
OpenAI has rebranded its Codex Cloud service to Codex Web, aligning the name with its web application interface.
OpenAI releases GPT-5.2-Codex, a model optimized for agentic coding with improvements in refactoring, Windows performance, and cybersecurity.
Developer shares experience building a GitHub CLI extension using ChatGPT Codex to manage saved issue searches across multiple repositories.
Exploring how asynchronous coding agents like Claude Code and Codex can automate code research projects by running experiments and submitting pull requests.
A live coding session demonstrating the rapid development of 'Arena', a feature for analyzing user compatibility via Twitter/X data, using AI-assisted tools.
