openai/codex on Hacker News

…GitHub workflow/UX and not actually the intended reason) without a acknowledgement or a response. https://github.com/openai/codex/issues/29353 What even is the point of a public-facing bug tracker “for devs, by devs” when this is how…

comment by ComputerGuru · 2026-07-05 · in GPT-5.5 Codex reasoning-token clustering may be leading to degraded performance

…compiled, there's nothing stopping you from making some other harness act like such a fork. [1] https://github.com/openai/codex

comment by miki123211 · 2026-07-05 · in GPT-5.5 Codex reasoning-token clustering may be leading to degraded performance

Codex apparently added this too, I only noticed a few days ago: https://github.com/openai/codex/issues/28969 I'm usually at my desk, and get a notification when it stops to ask a question, so I've never accidentally had it timeout yet.…

comment by nsingh2 · 2026-07-02 · in Claude's AskUserQuestion: "No response after 60s – continued without an answer"

…one that causes frequent reauthenticate request from the client. for example codex has this bug ( https://github.com/openai/codex/issues/20503 ). many servers solve this with some workarounds or increasing the token life. In v2 of mcp-use…

comment by tonxxd · 2026-07-02 · in Launch HN: Manufact (YC S25) – MCP Cloud

I thought codex was open source https://github.com/openai/codex

comment by subarctic · 2026-07-01 · in ZCode – Harness for GLM-5.2

codex is open source https://github.com/openai/codex/ it's definitely geared towards openai but it is completely open source

comment by FergusArgyll · 2026-07-01 · in ZCode – Harness for GLM-5.2

Codex is open source: https://github.com/openai/codex

comment by InvertedRhodium · 2026-07-01 · in ZCode – Harness for GLM-5.2

Most likely reasoning being truncated. Refer to this: https://github.com/openai/codex/issues/30364 https://www.reddit.com/r/codex/comments/1ugyvez/half_of_your...

comment by 0x_rs · 2026-07-01 · in Ask HN: Is Codex with GPT 5.5 Extra High being dumbed down?

…in the model card. It's for sure a codex harness feature. EDIT: yeah, it's the same thing. https://github.com/openai/codex/blob/main/codex-rs/core/test...

comment by gck1 · 2026-06-26 · in Previewing GPT‑5.6 Sol: a next-generation model

Yeah... one of the relevant issues: https://github.com/openai/codex/issues/11940#issuecomment-45... You would think they would support their own GPT-OSS model, but, not really anymore. I wish they would release a GPT-OSS 2, but this…

comment by coder543 · 2026-06-23 · in Elevated error rate across multiple models

Looks like this was fixed[0], so it should land in the next release. [0] https://github.com/openai/codex/commit/e98d43ac372ddf7f513c0...

comment by ewsbr · 2026-06-22 · in Codex logging bug may write TBs to local SSDs

…would stop getting locked up from a lack of disk space from codex logging. You can find it here: https://github.com/openai/codex/issues/28224#issuecomment-47... I have been making noise about this bug for a week, so I'm glad to see this is…

comment by Zenul_Abidin · 2026-06-22 · in Codex logging bug may write TBs to local SSDs

…should, but just a reminder, unlike Claude Code, Codex is officially available to customize here: https://github.com/openai/codex It's fairly easy to patch.

comment by christophilus · 2026-06-22 · in Codex logging bug may write TBs to local SSDs

…they landed a major regression for an entire team of folks I work with. No response, no workaround. https://github.com/openai/codex/issues/23762

comment by purpleidea · 2026-06-22 · in Codex logging bug may write TBs to local SSDs

…is re-invented twice monthly. https://www.facebook.com/groups/vibecodinglife/posts/1946207... https://github.com/openai/codex/discussions/10628 https://build5nines.com/stop-burning-premium-requests-how-to... > Not because it is…

comment by mpalmer · 2026-06-12 · in /architect: Reduce Fable tokens by 80%, Fable orchestrates/reviews, Codex builds

You can absolutely do that by using subprocess.run, or use the codex sdk https://github.com/openai/codex/tree/main/sdk/python

comment by sgc · 2026-06-12 · in Apache Burr: Build reliable AI agents and applications

…to read ALL FILES on my PC without explicit permission unless you spawn them within a container: https://github.com/openai/codex/issues/2847 It seems like OpenAI stealing sensitive data from their customers is not a big problem for them as…

comment by thomas34298 · 2026-06-06 · in Lockdown Mode

…and other agents? I still routinely see these agents throwing away work because the editing failed? https://github.com/openai/codex/issues/11601 https://github.com/anthropics/claude-code/issues/25775 It seems they didn't look into it…

comment by faangguyindia · 2026-05-31 · in Cache hit rates of Inference are more meaningful than the headline costs

…server rendering of the prompts. AFAIK, Codex is the only major harness to not support this. [0] https://github.com/openai/codex/issues/5059#issuecomment-453...

comment by CharlieDigital · 2026-05-30 · in MCP is dead?

It seems HN removed the deep-link, so here it is: https://github.com/openai/codex/issues/23794#issuecomment-45...

comment by gobdovan · 2026-05-22 · in OpenAI intentionally removed Codex's visible context usage indicator

Codex is open source if you’re interested https://github.com/openai/codex

comment by ralfhn · 2026-05-15 · in How Claude Code works in large codebases

Looks like codex has it too since last week, https://github.com/openai/codex/releases/tag/rust-v0.130.0

comment by rovr138 · 2026-05-14 · in Codex is now in the ChatGPT mobile app

Related https://github.com/openai/codex/issues/21199

comment by roflcopter69 · 2026-05-12 · in Codex downloaded by Xcode 26.4.1 reported as Malware

I think codex has done something along the line: https://github.com/openai/codex/pull/6041 But it is trying to use git as a backend to save file states, and at the same time NOT showing it in the user's git history.

comment by cosimo-dw · 2026-05-08 · in Show HN: Git for AI Agents

…and imaginative inside their own thinking. You are an epistemically curious collaborator. … ( https://github.com/openai/codex/blob/main/codex-rs/models-ma... ) I am still baffled why prompts are written in this style, telling an imaginary…

comment by jameshart · 2026-04-30 · in Where the goblins came from

…relevant to the user's query. [1] https://x.com/arb8020/status/2048958391637401718 [2] https://github.com/openai/codex/blob/main/codex-rs/models-ma...

comment by ollin · 2026-04-30 · in Where the goblins came from

https://github.com/openai/codex

comment by milkshakes · 2026-04-28 · in OpenAI models coming to Amazon Bedrock: Interview with OpenAI and AWS CEOs

…version of Codex still read sensitive data on your file system without even asking? Just curious. https://github.com/openai/codex/issues/2847

comment by thomas34298 · 2026-04-16 · in Codex for almost everything

https://github.com/openai/codex/discussions/8338

comment by FergusArgyll · 2026-04-15 · in Ask HN: Who is using OpenClaw?

…1) Pin to an earlier version of codex (sorry) - 0.55 is the best experience IME, but YMMV (see https://github.com/openai/codex/issues/11940 , https://github.com/openai/codex/issues/8272 ). 2) Use the older completions endpoint (llama.cpp's…

comment by vsrinivas · 2026-04-13 · in I ran Gemma 4 as a local model in Codex CLI

The also removed Chat mode (from their Codex VSCode extension): https://github.com/openai/codex/issues/11007

comment by hbcondo714 · 2026-04-12 · in Tell HN: OpenAI silently removed Study Mode from ChatGPT

…love to understand the reasoning for the poor support for this relatively simple protocol. [0] https://github.com/openai/codex/issues/5059 [1] https://modelcontextprotocol.io/specification/2025-06-18/ser...

comment by CharlieDigital · 2026-04-10 · in I still prefer MCP over skills

Codex is open source: https://github.com/openai/codex

comment by MallocVoidstar · 2026-03-31 · in Claude Code's source code has been leaked via a map file in their NPM registry

You may have mistaken it with Codex https://github.com/openai/codex

comment by agluszak · 2026-03-31 · in Claude Code's source code has been leaked via a map file in their NPM registry

This one: https://github.com/openai/codex/tree/main/codex-rs/app-serve...

comment by SeriousM · 2026-03-27 · in Agent-to-agent pair programming

…dynamically compose the set of skills without needing to do any syncs, git sub-modules, etc. [0] https://github.com/openai/codex/issues/5059

comment by CharlieDigital · 2026-03-26

Sadly, this issue is systemic: https://github.com/openai/codex/issues/2847

comment by nulld3v · 2026-03-26 · in Updates to GitHub Copilot interaction data usage policy

Thanks for recommending these tools; very helpful! https://codewiki.google/github.com/openai/codex

comment by dr_kiszonka · 2026-03-16 · in LLM Architecture Gallery

…you think of sandbox-exec being marked as deprecated? https://news.ycombinator.com/item?id=31973232 https://github.com/openai/codex/issues/215

comment by brutuscat · 2026-03-09 · in Agent Safehouse – macOS-native sandboxing for local agents

It's the other way around - Claude Code is the proprietary one. Codex CLI is open source: https://github.com/openai/codex You can definitely access the latest models via the API. That's how Codex CLI works.

comment by mike_hearn · 2026-03-08 · in SWE-CI: Evaluating Agent Capabilities in Maintaining Codebases via CI

…your coding agent right away, you can just reroute Codex to a different model for the time being. https://github.com/openai/codex/issues/26#issuecomment-28116...

comment by 2001zhaozhao · 2026-02-28 · in How do I cancel my ChatGPT subscription?

…was redeemed as high risk. It seems like they currently have a lot of false positives: https://github.com/openai/codex/issues?q=High%20risk

comment by super256 · 2026-02-19 · in Anthropic officially bans using subscription auth for third party use

…subagents, but it looks like the `/experimental` feature in codex-cli has the SubAgent setting ( https://github.com/openai/codex/issues/2604#issuecomment-387... )

comment by properbrew · 2026-02-12 · in GPT‑5.3‑Codex‑Spark

…or required tool calls work. Codex does in fact use a schema for constrained sampling, it's here: https://github.com/openai/codex/blob/main/codex-rs/core/src/... It still has to work to get an exact match, or at least I didn't read the…

comment by matheist · 2026-02-12 · in Improving 15 LLMs at Coding in One Afternoon. Only the Harness Changed

Filed an issue for codex https://github.com/openai/codex/issues/11601

comment by 0xdeafbeef · 2026-02-12 · in Improving 15 LLMs at Coding in One Afternoon. Only the Harness Changed

…Codex changelog: https://developers.openai.com/codex/changelog/ Codex CLI commit history: https://github.com/openai/codex/commits/main/

comment by tedsanders · 2026-02-05 · in Claude Opus 4.6

…It never works. Is it in the main Codex build? There doesn’t seem to be an experiment for it. https://github.com/openai/codex/issues/2604

comment by turblety · 2026-02-02 · in The Codex App

…Here's the macOS kernel-enforced sandbox profile that gets applied to processes spawned by the LLM: https://github.com/openai/codex/blob/main/codex-rs/core/src/... I think skepticism is healthy here, but there's no need to just guess.

comment by valleyer · 2026-02-01 · in What I learned building an opinionated and minimal coding agent

…of OpenAI trying and failing to fix it for two weeks is not indicative of a functional company: https://github.com/openai/codex/issues/9253 OTOH, if Anthropic did that to Claude Code, there wasn’t a moderately straightforward workaround,…

comment by amluto · 2026-01-31 · in The $100B megadeal between OpenAI and Nvidia is on ice

…> The Rust implementation is now the maintained Codex CLI and serves as the default experience [0] https://github.com/openai/codex/tree/main/codex-rs#whats-new...

comment by vorticalbox · 2026-01-24 · in Unrolling the Codex agent loop