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My Complete Codex Agentic Engineering Workflow Here's how I maximize the heck out of the Codex GUI

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Micky

36,386 subscribers

29,171 views • 21 days ago •via X (Twitter)

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"Graph engineering" clearly explained (and how it can get you more out of claude code/codex) Watch:
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GREG ISENBERG

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Someone figured out how to run Claude Fable 5 and GPT-5.6 together inside ChatGPT Codex and the setup takes 5 minutes. Two commands get you started: → codex plugin marketplace add Cjbuilds/Codex-Orchestration → codex plugin add codex-orchestration@codex-orchestration From there you set an advisor model for the expensive thinking and an executor model for the cheaper implementation. Paste the workflow prompt, describe the task and both models handle their side automatically. Fable 5 plans. A cheaper model executes. You get the best of both without paying flagship prices for every token.
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Someone figured out how to run Claude Fable 5 and GPT-5.6 together inside ChatGPT Codex and the setup takes 5 minutes. Two commands get you started: → codex plugin marketplace add Cjbuilds/Codex-Orchestration → codex plugin add codex-orchestration@codex-orchestration From there you set an advisor model for the expensive thinking and an executor model for the cheaper implementation. Paste the workflow prompt, describe the task and both models handle their side automatically. Fable 5 plans. A cheaper model executes. You get the best of both without paying flagship prices for every token.

0xMarioNawfal

56,586 views • 1 month ago

hot of the press, the 3rd episode of the next token in this one i show of my agentic engineering workflow and tooling ...and receive a package i didn't order
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hot of the press, the 3rd episode of the next token in this one i show of my agentic engineering workflow and tooling ...and receive a package i didn't order

Dillon Mulroy

170,246 views • 1 month ago

My workflow to build & deploy new apps < 30 mins with the Codex app
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Katia Gil Guzman

38,099 views • 6 months ago

SITUATION EXPLAINED: Coatue just published a chart showing how fast AI agents are replacing internal white-collar functions at OpenAI itself. • Chart tracks what percent of OpenAI's internal output tokens are generated by Codex vs ChatGPT • Engineering crossed 50% Codex usage at end of 2025, now basically 100% Codex for engineering • Finance, recruiting, and legal didn't start ramping until February 2026, but are now nearly as high as engineering Theo Jaffee: "Agentic AI platforms are eating a lot of white-collar functions and not just engineering."
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SITUATION EXPLAINED: Coatue just published a chart showing how fast AI agents are replacing internal white-collar functions at OpenAI itself. • Chart tracks what percent of OpenAI's internal output tokens are generated by Codex vs ChatGPT • Engineering crossed 50% Codex usage at end of 2025, now basically 100% Codex for engineering • Finance, recruiting, and legal didn't start ramping until February 2026, but are now nearly as high as engineering Theo Jaffee: "Agentic AI platforms are eating a lot of white-collar functions and not just engineering."

MTS

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Codex has come a long way since April. Over the next two weeks, we’re releasing a series of videos to help you get better acquainted with Codex — starting with how to use the Codex CLI with GPT-5-Codex.
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Codex has come a long way since April. Over the next two weeks, we’re releasing a series of videos to help you get better acquainted with Codex — starting with how to use the Codex CLI with GPT-5-Codex.

OpenAI Developers

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GPT 5.4 has been released... + 1M context window! Here's how to enable in Codex: → 1. ~/.codex/config.toml → 2. model = "gpt-5.4" → 3. model_context_window=1000000 → 4. model_auto_compact_token_limit=9000000 Run codex → 5. /statusline → 6. toggle context-window-size I didn't even realise Codex had a statusline tool!
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GPT 5.4 has been released... + 1M context window! Here's how to enable in Codex: → 1. ~/.codex/config.toml → 2. model = "gpt-5.4" → 3. model_context_window=1000000 → 4. model_auto_compact_token_limit=9000000 Run codex → 5. /statusline → 6. toggle context-window-size I didn't even realise Codex had a statusline tool!

Chong-U

77,029 views • 6 months ago

I put Codex into DOOM using Codex app server. Codex modified the actual game files and modified the game engine to render the terminal interface natively and have Codex engage with the game.
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I put Codex into DOOM using Codex app server. Codex modified the actual game files and modified the game engine to render the terminal interface natively and have Codex engage with the game.

dominik kundel

115,540 views • 5 months ago

Laptop closed. Agent still working. 103 legal contracts reviewed in 40 minutes. Most AI agents stop the moment you close your laptop. This one does not. See how DigitalOcean, @chatgptapp Codex, and Box work together to autonomously process a stack of contracts while you step away. The new DigitalOcean Codex plugin makes droplet provisioning a one-click affair. - DigitalOcean: always-on compute for long-running agents - Codex: the harness driving the workflow - Box: the governed content layer (contracts in, review packets out) Timestamps: 00:09 – Workflow setup 01:23 – Provision DigitalOcean droplet for long-running tasks 02:45 – Connect Codex to Box with Box MCP 03:01 – Start a remote session on Codex 03:26 – Implement the legal workflow 05:00 – Review the work 06:05 – Conclusion
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Laptop closed. Agent still working. 103 legal contracts reviewed in 40 minutes. Most AI agents stop the moment you close your laptop. This one does not. See how DigitalOcean, @chatgptapp Codex, and Box work together to autonomously process a stack of contracts while you step away. The new DigitalOcean Codex plugin makes droplet provisioning a one-click affair. - DigitalOcean: always-on compute for long-running agents - Codex: the harness driving the workflow - Box: the governed content layer (contracts in, review packets out) Timestamps: 00:09 – Workflow setup 01:23 – Provision DigitalOcean droplet for long-running tasks 02:45 – Connect Codex to Box with Box MCP 03:01 – Start a remote session on Codex 03:26 – Implement the legal workflow 05:00 – Review the work 06:05 – Conclusion

Box

321,533 views • 1 month ago

I love when Codex outsmarts me! Asked Codex to hack this badge that I got from Temporal's conference by putting Codex pets on it. I also gave it a photo of the badge along with it. Codex found the actual firmware of the badge on GitHub to have a starter 😂
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I love when Codex outsmarts me! Asked Codex to hack this badge that I got from Temporal's conference by putting Codex pets on it. I also gave it a photo of the badge along with it. Codex found the actual firmware of the badge on GitHub to have a starter 😂

dominik kundel

35,125 views • 3 months ago

The new 2026 AI workflow 🤖⚡ GPT Image 2.0 → assets → Codex + GPT-5.5 → playable browser game 🎮 I turned my AI image into a web game. 🖼️ GPT Image 2 created the visual. 🎨 Codex generated the sprites and animations. 🕹️ GPT-5.5 built the prototype.
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The new 2026 AI workflow 🤖⚡ GPT Image 2.0 → assets → Codex + GPT-5.5 → playable browser game 🎮 I turned my AI image into a web game. 🖼️ GPT Image 2 created the visual. 🎨 Codex generated the sprites and animations. 🕹️ GPT-5.5 built the prototype.

Givros

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Leonardo da Vinci’s Codex Atlanticus Beautiful tool to explore the largest collection of his drawings and writings on science, engineering, art, and anatomy. Hosted by the Biblioteca Ambrosiana’s digital archive. Explore: codex-atlanticus.ambrosiana .it
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Leonardo da Vinci’s Codex Atlanticus Beautiful tool to explore the largest collection of his drawings and writings on science, engineering, art, and anatomy. Hosted by the Biblioteca Ambrosiana’s digital archive. Explore: codex-atlanticus.ambrosiana .it

Leon

30,597 views • 1 year ago

Here's my favorite Codex Skill i've created (This is very specific to my workflow, not sure how useful you guys will think it is) /todo allows me to organize all the tasks my agents do along with the documents it creates and deep links to the session it was created. I post all my skills here @chorusskills
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Here's my favorite Codex Skill i've created (This is very specific to my workflow, not sure how useful you guys will think it is) /todo allows me to organize all the tasks my agents do along with the documents it creates and deep links to the session it was created. I post all my skills here @chorusskills

Riley Brown

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Quick demo of how I use Pi to offload tasks to Codex CLI with the pi-interactive-shell extension. Codex is notoriously tricky to prompt well so Pi reads the Codex prompting guide to generate a tailored meta-prompt, then launches Codex CLI in an overlay. pi install npm:pi-interactive-shell
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Quick demo of how I use Pi to offload tasks to Codex CLI with the pi-interactive-shell extension. Codex is notoriously tricky to prompt well so Pi reads the Codex prompting guide to generate a tailored meta-prompt, then launches Codex CLI in an overlay. pi install npm:pi-interactive-shell

Nico Bailon

36,088 views • 7 months ago

You can now enable Codex to execute CodeRabbit directly in your development workflow! Let AI code, review, and fix issues autonomously without any human intervention 🤖 (Check out the updated CodeRabbit CLI x Codex docs below!)
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You can now enable Codex to execute CodeRabbit directly in your development workflow! Let AI code, review, and fix issues autonomously without any human intervention 🤖 (Check out the updated CodeRabbit CLI x Codex docs below!)

CodeRabbit

19,201 views • 11 months ago

Codex /goal With Hermes Agent is life-changing. I updated my Hermes agent skill to give Codex a goal on the fly using Telegram and track each one of those codex goals in a Kanban board. It has been really insane to see and track Codex execute goals in the wild.
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Codex /goal With Hermes Agent is life-changing. I updated my Hermes agent skill to give Codex a goal on the fly using Telegram and track each one of those codex goals in a Kanban board. It has been really insane to see and track Codex execute goals in the wild.

Shubham Saboo

200,464 views • 3 months ago

We're rolling out plugins in Codex. Codex now works seamlessly out of the box with the most important tools builders already use, like Slack, @Figma, Notion, Gmail, and more.
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We're rolling out plugins in Codex. Codex now works seamlessly out of the box with the most important tools builders already use, like Slack, @Figma, Notion, Gmail, and more.

OpenAI Developers

1,409,014 views • 5 months ago

Kind of shocking how much better GPT-5-Codex is vs the regular 'Thinking' models in ChatGPT. My subjective rankings for the fruit machine test: 1. GPT-5-Codex-Medium 2. GPT-5-Thinking-Heavy 3. GPT-5-Pro 4. GPT-5-Codex-High 5. GPT-5-Codex-Low 6. GPT-5-Thinking-Standard 7. GPT-5-Thinking-Extended 8. GPT-5-Thinking-Light OpenAI Codex team have suggested 'Medium' should be the default, but I didn't expect that it would actually beat the 'High' setting model in my test.
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Kind of shocking how much better GPT-5-Codex is vs the regular 'Thinking' models in ChatGPT. My subjective rankings for the fruit machine test: 1. GPT-5-Codex-Medium 2. GPT-5-Thinking-Heavy 3. GPT-5-Pro 4. GPT-5-Codex-High 5. GPT-5-Codex-Low 6. GPT-5-Thinking-Standard 7. GPT-5-Thinking-Extended 8. GPT-5-Thinking-Light OpenAI Codex team have suggested 'Medium' should be the default, but I didn't expect that it would actually beat the 'High' setting model in my test.

Peter Gostev

101,848 views • 11 months ago