16 stories tagged openai-codex, newest first.
31 points by aleph_minus_one | 22 comments
A GitHub pull request in CrocSwap/integer-mult-bounds claiming a conditional integer multiplication bound O(n (log n)^(1-0.00300105)) by combining query thinning and helper retiming.
156 points by AIorNot | 72 comments
GitHub issue reporting that the OpenAI Codex Desktop app continuously writes Crashpad pending dump files, growing disk usage by over 5GB per day.
568 points by whimblepop | 276 comments
GitHub issue on openai/codex requesting that daemon_auto_start be made opt-in rather than having the CLI install a persistent self-updating background daemon by default.
5 points by luu | 1 comments
A benchmark site measuring whether Codex's "fast mode" priority tier delivers its promised 2x speedup, showing a measured 1.45x throughput gain.
7 points by alexandroskyr | 0 comments
GitHub repository for pi-codex-connectors, an extension that lets any Pi model or MCP harness use Codex (ChatGPT) connectors and plugins.
4 points by rene_d | 1 comments
OpenAI's Codex pricing page describing plan tiers, with the title claiming the Pro plan includes unlimited model 5.6 usage.
![Screenshot of Hacker News post: Tell HN: Codex Is Down [fixed]](https://hn.urlbox.com/shots/renders/2026/9/25/926a272d-6600-43c4-8e97-ce3bb9be54ff.jpg)
63 points by minimaxir | 66 comments
Hacker News discussion reporting an OpenAI Codex outage showing incorrect API key errors, later acknowledged on OpenAI's status page.
441 points by timpera | 206 comments
Short blog note by Simon Willison finding that the ChatGPT/Codex desktop app ships a 1.7GB runtime with Python, Node.js, Poppler, git and LibreOffice for skills.
323 points by AmazingTurtle | 152 comments
A merged GitHub pull request in openai/codex backporting refreshed bundled model metadata (models.json) to the 0.144 release branch.
375 points by embedding-shape | 226 comments
GitHub issue in openai/codex reporting a regression where encrypted MultiAgentV2 sub-agent messages remove the readable task audit trail.
339 points by maille | 140 comments
GitHub issue on openai/codex reporting GPT-5.5 reasoning-token counts clustering at 516/1034/1552, possibly degrading performance on complex tasks.
454 points by vantareed | 249 comments
GitHub issue on openai/codex reporting that Codex CLI's SQLite feedback logs can write about 640 TB per year, rapidly wearing out SSDs.
564 points by thunderbong | 269 comments
An X post showing OpenAI Codex gaining root-equivalent access without sudo by using the user's Docker group membership to bind-mount and modify /etc.
972 points by mikeevans | 517 comments
OpenAI product announcement of a major update to Codex, its AI coding agent, expanding its capabilities for its 3+ million developer users.
460 points by r4um | 264 comments
Simon Willison's guide index of patterns for getting good results from coding agents like Claude Code and OpenAI Codex, covering principles, testing, and prompts.
356 points by davidbarker | 308 comments
Apple Newsroom announcement that Xcode 26.3 integrates coding agents such as Anthropic's Claude Agent and OpenAI's Codex for autonomous app development tasks.