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  • All entries123,194
  • Agents10,336
  • Applications7,012
  • Companies3
  • Concepts7
  • Hardware2,694
  • Industry6,766
  • Local Ai6,840
  • Model Releases35,411
  • Research28,731
  • Safety18,965
  • Syntheses30
  • Tools1,773
  • Tutorials4,626

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123,194Total entries
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13Categories

Knowledge catalogue

Search: “codex”

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623 results
Model Releases

Claude Code is tuned for Claude. Codex is tuned for OpenAI models. Until now, 𝚍𝚎𝚎𝚙𝚊𝚐𝚎𝚗𝚝𝚜 had fixed harness defaults, which meant i…

DGX agent

Claude Code is tuned for Claude. Codex is tuned for OpenAI models. Until now, 𝚍𝚎𝚎𝚙𝚊𝚐𝚎𝚗𝚝𝚜 had fixed harness defaults, which meant it couldn't take advantage of the provider-specific optimizations that

model-releasesharrison-chase--x
30 Apr 2026
Human
DGX agent

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Industry

Computer Use runs this use case 42% faster in today's Codex app update.

DGX agent

Claude's Computer Use capability has been integrated into the Codex app, delivering a 42% performance improvement for this use case in the latest update. This enhancement likely demonstrates improved

industrysam-altman--x
30 Apr 2026
Model Releases

From draft to deck, review the work as it takes shape inside Codex. Open the file, ask for changes, and keep tweaking it in the same thread.

DGX agent

Codex allows users to iteratively refine documents and presentations by opening files, requesting modifications, and making adjustments within a single conversation thread. The tool enables a collabor

model-releasesopenai--x
30 Apr 2026
Model Releases

Codex can help you compare choices against your criteria and keep track of the tradeoffs.

DGX agent

Codex is an OpenAI tool that assists users in evaluating multiple options by comparing them against specified criteria and documenting the associated tradeoffs. This capability helps users make more i

model-releasesopenai--x
29 Apr 2026
Agents

Full Workshop: @OpenAI Codex masterclass The agent is no longer just one chat window. In this workshop, @reach_vb and @kagigz get into how c…

DGX agent

Full Workshop: @OpenAI Codex masterclass The agent is no longer just one chat window. In this workshop, @reach_vb and @kagigz get into how coding systems start to change when you can delegate work acr

agentsswyx--x
29 Apr 2026
Model Releases

An easy way to get a team engaged with AI is just to build the thing you are talking about in the meeting during the meeting using Codex or …

DGX agent

An easy way to get a team engaged with AI is just to build the thing you are talking about in the meeting during the meeting using Codex or Claude Code. At worst, it fails in ways that can be construc

model-releasesethan-mollick--x
28 Apr 2026
Model Releases

GPT-5.5 in Codex made a surprisingly solid table top RPG game masters guide & player guide, which it 'playtested.' It leans into the storyte…

DGX agent

GPT-5.5 in Codex made a surprisingly solid table top RPG game masters guide & player guide, which it 'playtested.' It leans into the storytelling aspect, and still has some very LLM-y elements, but it

model-releasesethan-mollick--x
27 Apr 2026
Model Releases

'post-AGI, no one is going to work and the economy is going to collapse' 'i am switching to polyphasic sleep because GPT-5.5 in codex is so …

DGX agent

'post-AGI, no one is going to work and the economy is going to collapse' 'i am switching to polyphasic sleep because GPT-5.5 in codex is so good that i can't afford to be sleeping for such long stretc

model-releasessam-altman--x
26 Apr 2026
Industry

HOLLLLY SHIIIIIT 😳 GPT 5.5 xhigh in codex made this paper physics website with wind effect one shot check the physics , ui and interaction …

DGX agent

HOLLLLY SHIIIIIT 😳 GPT 5.5 xhigh in codex made this paper physics website with wind effect one shot check the physics , ui and interaction @sama you guys cooked and this is my first time i can suggest

industryemad-mostaque--x
23 Apr 2026
Tools

stoked that we'll have the legend @thsottiaux speaking at @aiDotEngineer singapore! @thsottiaux is the engineering lead on @OpenAI 's codex …

DGX agent

stoked that we'll have the legend @thsottiaux speaking at @aiDotEngineer singapore! @thsottiaux is the engineering lead on @OpenAI 's codex app, and famously resets the tokens. can't wait to have you

toolsswyx--x
23 Apr 2026
Model Releases

Things have been degrading super fast in Claude Code. I still use Claude Code, but my default is now Codex. I still prefer Opus models for c…

DGX agent

Things have been degrading super fast in Claude Code. I still use Claude Code, but my default is now Codex. I still prefer Opus models for coding, and so I will try again with the fixes. I appreciate

model-releasesdair-ai--x
23 Apr 2026
Model Releases

I agree, and I will add to this. Companies should own their memories, skills and other resources agents need. Use Claude code, codex, copilo…

DGX agent

I agree, and I will add to this. Companies should own their memories, skills and other resources agents need. Use Claude code, codex, copilot, etc for intelligence but your execution layer should plug

model-releasesharrison-chase--x
21 Apr 2026
Model Releases

LiteParse should be the default document parser you use with any AI agent (Claude Code, Claude Cowork, OpenClaw, Codex, and more) The core i…

DGX agent

LiteParse should be the default document parser you use with any AI agent (Claude Code, Claude Cowork, OpenClaw, Codex, and more) The core is extremely fast text and accurate parsing from any document

model-releasesjerry-liu--x
16 Apr 2026
Local Ai

Today, Clearwing has replicated Glasswing's discovery of the @FFmpeg vulnerability using Codex-5.4 as the backend. I am going to attempt the…

DGX agent

Today, Clearwing has replicated Glasswing's discovery of the @FFmpeg vulnerability using Codex-5.4 as the backend. I am going to attempt the same today, using @Alibaba_Qwen 3.6 on @ollama running on m

local-aiemad-mostaque--x
16 Apr 2026
Tutorials

from my experience, even the best models (Opus 4.6, 5.4 xhigh / 5.3 codex) cannot write good code today without an amount of work that is eq…

DGX agent

from my experience, even the best models (Opus 4.6, 5.4 xhigh / 5.3 codex) cannot write good code today without an amount of work that is equivalent to just doing the work myself am excited for a worl

tutorialsjeremy-howard--x
13 Apr 2026
Agents

Great podcast episode that covers OpenAI's Symphony, which dispatches autonomous agents (codex workers) with their own worktrees and tasks. …

DGX agent

Great podcast episode that covers OpenAI's Symphony, which dispatches autonomous agents (codex workers) with their own worktrees and tasks. I've found it works well with a layer above Symphony, where

agentsswyx--x
13 Apr 2026
Model Releases

if you don't own your harness, you don't own your memory this is so true. even though Codex is an open source, it generates an encrypted com…

DGX agent

if you don't own your harness, you don't own your memory this is so true. even though Codex is an open source, it generates an encrypted compaction summary (that is not usable outside of the OpenAI ec

model-releasesharrison-chase--x
12 Apr 2026
Model Releases

Introducing Claude for Music. You can now create songs from Claude Code, Hermes, Codex, or any agent you’re using. SOTA music model @MiniMax…

DGX agent

I cannot provide an accurate summary for this entry. The URL and source attribution appear inconsistent (title credits Yohei Nakajima but URL references a different user), and the post references prod

model-releasesyohei-nakajima--x
24 Jun 2026
Model Releases

RubricMiddleware helps your agent verify task completion with a grader subagent This is similar to /goal in claude code or codex, but for de…

DGX agent

RubricMiddleware is a LangChain feature that enables agents to verify task completion by delegating grading to a specialized subagent using predefined rubrics. This approach parallels the goal-verific

model-releasesharrison-chase--x
2 Jun 2026
Agents

You can now access and activate your banked resets in Hermes Agent directly with /usage reset when using a codex/openai subscription

DGX agent

You can now access and activate your banked resets in Hermes Agent directly with /usage reset when using a codex/openai subscription Thank you to the 7M active users who are now using Codex and ChatGP

agentsnous-research--x
14 Jul 2026
Model Releases

You can play it here: https://simonw.github.io/raccoon-heist-codex/ For comparison, here's Fable 5 + Claude Code's game, built from the exac…

DGX agent

You can play it here: https://simonw.github.io/raccoon-heist-codex/ For comparison, here's Fable 5 + Claude Code's game, built from the exact same prompt https://x.com/simonw/status/208508951822360205

model-releasessimon-willison--x
7 Aug 2026
Model Releases

I agree that chatgpt/codex has the current best agent interface for deep work. - It unifies all my work (coding/knowledge work) in one inter…

DGX agent

I agree that chatgpt/codex has the current best agent interface for deep work. - It unifies all my work (coding/knowledge work) in one interface. Toggling between chatgpt/codex doesn't have explicitly

model-releasesjerry-liu--x
4 Oct 2026
Model Releases

Google has the advantage, if they use it, of being able to observe where OpenAI and Anthropic are going with Codex/Code and get there now. O…

DGX agent

Google has the advantage, if they use it, of being able to observe where OpenAI and Anthropic are going with Codex/Code and get there now. Otherwise they are going to have to go through that whole lea

model-releasesethan-mollick--x
9 Oct 2026
Model Releases

Introducing MCP tools for @dair_ai. Connect the MCP to your Codex/Claude/Grok Bot to discover and explore the top AI papers. We carefully cu…

DGX agent

Introducing MCP tools for @dair_ai. Connect the MCP to your Codex/Claude/Grok Bot to discover and explore the top AI papers. We carefully curate the papers, so you can expect mostly bangers. The index

model-releasesdair-ai--x
7 Oct 2026
Model Releases

Actually I did a quick test. I like the ChatGPT Work/Codex split better than Claude Cowork/Code. The interface is much more unified. The fun…

DGX agent

Actually I did a quick test. I like the ChatGPT Work/Codex split better than Claude Cowork/Code. The interface is much more unified. The functionality is effectively the same. The chat history is shar

model-releasesjerry-liu--x
9 Jul 2026
Agents

A fundamental problem with extending Codex/Cowork/Code to all knowledge work is that they remain very 'software-brained' where the end resul…

DGX agent

A fundamental problem with extending Codex/Cowork/Code to all knowledge work is that they remain very 'software-brained' where the end result (the software) is what is important & that code serves as

agentsethan-mollick--x
21 Jun 2026
Model Releases

GPT-5.5 is now accessible in Hermes Agent through the ChatGPT/Codex OAuth provider. Run `hermes update` to access now or learn how to get st…

DGX agent

GPT-5.5 is now accessible in Hermes Agent through the ChatGPT/Codex OAuth provider. Run `hermes update` to access now or learn how to get started with Hermes Agent here: https://hermes-agent.nousresea

model-releasesnous-research--x
23 Apr 2026
Tutorials

AFAIK this is the first time it's been made official from an OpenAI staffer - the `/backend-api/codex/responses` endpoint that Pi and Openco…

DGX agent

AFAIK this is the first time it's been made official from an OpenAI staffer - the `/backend-api/codex/responses` endpoint that Pi and Opencode (IIUC) uses is officially supported! :D This is really gr

tutorialsjeremy-howard--x
22 Apr 2026
Tutorials

Anyone know whether OpenAI officially supports the use of the `/backend-api/codex/responses` endpoint that Pi and Opencode (IIUC) uses? It d…

DGX agent

Anyone know whether OpenAI officially supports the use of the `/backend-api/codex/responses` endpoint that Pi and Opencode (IIUC) uses? It doesn't seem to be documented, and was reverse engineered by

tutorialsjeremy-howard--x
21 Apr 2026
Model Releases

Our existing $200 Pro tier still remains our highest usage option. And as a thank you to our existing Pro users on the $200 tier, we’re exte…

DGX agent

Our existing $200 Pro tier still remains our highest usage option. And as a thank you to our existing Pro users on the $200 tier, we’re extending our 2x Codex usage promo (until May 31st) and we’ve re

model-releasesopenai--x
9 Apr 2026
Industry

The internal working name for this was 'telepathy', and it feels like it.

DGX agent

The internal working name for this was 'telepathy', and it feels like it. We are releasing a *research preview* of Chronicle in Codex. It allows codex to build up memories based on your day to day wor

industrysam-altman--x
20 Apr 2026
Model Releases

hello!

DGX agent

hello! Hello. We have reached 8M active users across Codex and ChatGPT Work. We are once again resetting the usage limits for all. And we continue to not have the 5h rate limit as well, allowing every

model-releasessam-altman--x
14 Jul 2026
Model Releases

uhm this gpt 5.6 launch might be the openai's most successful model ever since... since chatgpt? this is IPO altering stuff going on here

DGX agent

uhm this gpt 5.6 launch might be the openai's most successful model ever since... since chatgpt? this is IPO altering stuff going on here Did... Codex just overtake Claude Code? 24.5 hours ago Tibo an

model-releasesswyx--x
14 Jul 2026
Industry

It is smart and fast; per-token speed matches 5.4 and it uses significantly fewer tokens per task. In my experience, it 'gets what to do'. R…

DGX agent

It is smart and fast; per-token speed matches 5.4 and it uses significantly fewer tokens per task. In my experience, it 'gets what to do'. Rolling out today in ChatGPT and Codex. We are working with A

industrysam-altman--x
23 Apr 2026
Industry

We want you to have a lot of AI!

DGX agent

We want you to have a lot of AI! I don't know what they are doing over there, but Codex will continue to be available both in the FREE and PLUS ($20) plans. We have the compute and efficient models to

industrysam-altman--x
22 Apr 2026
Industry

Truly epic AI weekend workflow ⬇️ Requires: phone, headphones, ChatGPT mobile app, OpenAI paid subscription, auto mode, somewhat aggressive …

DGX agent

Truly epic AI weekend workflow ⬇️ Requires: phone, headphones, ChatGPT mobile app, OpenAI paid subscription, auto mode, somewhat aggressive permissions - set up codex remote - fully charge your phone

industryallie-k--miller--x
16 Aug 2026
Model Releases

out of curiosity, i tasked fable to figure this thing out and it looks like the 'saas killer' is done. ▲ it maxed out Fable 5 + used most of…

DGX agent

out of curiosity, i tasked fable to figure this thing out and it looks like the 'saas killer' is done. ▲ it maxed out Fable 5 + used most of Codex limits ▲ most of the work was done within 45h session

model-releasesswyx--x
13 Aug 2026
Industry

Team is hard at work together with @steipete to make OpenAI models and ecosystem be the obvious way to to enjoy your claw. A lot more to com…

DGX agent

Team is hard at work together with @steipete to make OpenAI models and ecosystem be the obvious way to to enjoy your claw. A lot more to come next week, but a reminder that you can use OpenClaw as par

industrysam-altman--x
22 Apr 2026
Model Releases

Classic study gave 146 economist teams the same dataset & got wildly different answers New paper reruns it with agentic AI. Claude Code & Co…

DGX agent

Classic study gave 146 economist teams the same dataset & got wildly different answers New paper reruns it with agentic AI. Claude Code & Codex land near the human median, but with far tighter dispers

model-releasesethan-mollick--x
20 Apr 2026
Industry

we love seeing our users win. we want to give you the best tools, lots of compute, and watch you do the magic.

DGX agent

Sam Altman expresses OpenAI's commitment to empowering users by providing them with advanced tools and computational resources to achieve their goals. The statement reflects OpenAI's philosophy of ena

industrysam-altman--x
23 Apr 2026
Model Releases

Say it with me. “OpenAI is terrible at cybersecurity.”

DGX agent

Say it with me. “OpenAI is terrible at cybersecurity.” This is crazy. In late July, 'three guys with Claude and Codex subscriptions' were able to use Opus 5 to access OAI auth tokens and gain write ac

model-releasesgary-marcus--x
18 Sept 2026
Safety

>math professor spends a year on one of the hardest unsolved problems in math >'Navier-Stokes' >his drafts for the whole project went throug…

DGX agent

>math professor spends a year on one of the hardest unsolved problems in math >'Navier-Stokes' >his drafts for the whole project went through codex sessions >openai had his logs in codex >suddenly rum

safetygary-marcus--x
8 Sept 2026
Tools

@jacobeffron https://x.com/OpenAI/status/2061887650391625870

DGX agent

@jacobeffron https://x.com/OpenAI/status/2061887650391625870 We’re making Codex more useful for your work by expanding plugins beyond individual tools. These plugins turn Codex into a specialist for a

toolsswyx--x
3 Jun 2026
Model Releases

https://chatgpt.com/pricing

DGX agent

Note: The specific X/Twitter post (status ID 2042295692324991329) was not accessible via search. The summary below is based on current data from the official ChatGPT pricing page and related source...

model-releasesopenai--x
9 Apr 2026
Model Releases

The future is clearly agent teams. I run several agent harnesses at once, but the hard part is keeping them in sync. Many builders end up co…

DGX agent

The future is clearly agent teams. I run several agent harnesses at once, but the hard part is keeping them in sync. Many builders end up copying messages between Claude Code, Codex, and open models b

model-releasesdair-ai--x
15 Sept 2026
Model Releases

correction: the switching costs weren't enough to stop my desire to try out gpt-6 astra i ported over all my skills and conversational conte…

DGX agent

correction: the switching costs weren't enough to stop my desire to try out gpt-6 astra i ported over all my skills and conversational context to codex this weekend. planning to use it as my daily dri

model-releasesjerry-liu--x
6 Sept 2026
Model Releases

At the core of AI, you really just need: 1) a thing that does 2) connections into tools 3) a place to hold stuff 4) a spot to share and upda…

DGX agent

At the core of AI, you really just need: 1) a thing that does 2) connections into tools 3) a place to hold stuff 4) a spot to share and update In slot 1, we're talking AI agents like Codex or Claude C

model-releasesallie-k--miller--x
4 Sept 2026
Model Releases

Dominic Kundel (from @OpenAI) gives the inside scoop on where GPT-5.6-Sol gets magical: computer use. Background browser tabs, app control, …

DGX agent

Dominic Kundel (from @OpenAI) gives the inside scoop on where GPT-5.6-Sol gets magical: computer use. Background browser tabs, app control, multi-agent fanout, and Codex verifying its own work all cha

model-releasesswyx--x
13 Jul 2026
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