9 Codex Tips From the Codex Team
The AI Daily Brief: Artificial Intelligence News and Analysis
Nathaniel Whittemore
4.7 • 762 Ratings
🗓️ 19 May 2026
⏱️ 30 minutes
🧾️ Download transcript
Summary
Codex is quickly becoming a full work environment for agentic building, and today’s episode breaks down nine practical tips from one of OpenAI’s Codex team for getting more out of it. NLW covers durable long-running threads, voice as a way to give agents richer context, steering while work is still in progress, structured memory, tool access, remote control, heartbeats, goals, and the side panel as the place where human and agent work stay in motion together. In the headlines: Cursor’s Composer 2.5, Cloudflare’s review of Anthropic’s Mythos Preview, and the verdict in Elon Musk’s OpenAI lawsuit.
Source: https://jxnl.github.io/blog/writing/2026/05/10/codex-maxxing/
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Transcript
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| 0:00.0 | Today on the AI Daily Brief, nine Codex tips from the Codex team. |
| 0:05.0 | Before that in the headlines, |
| 0:07.0 | yeah, we got a verdict in the Elon Open AI trial, |
| 0:10.0 | but that's much less interesting than Composer 2.5. |
| 0:13.0 | The AI Daily Brief is a daily podcast and video about the most important news and discussions in AI. |
| 0:22.1 | All right friends, quick announcements before we dive in. |
| 0:25.0 | First of all, thank you to today's sponsors, KPMG, robots and pencils, Bolt, and ZenCoder. |
| 0:31.3 | To get an ad-free version of the show, go to patreon.com slash AI Daily Brief, or you can subscribe |
| 0:35.3 | on Apple Podcasts. |
| 0:37.0 | To learn more about sponsoring the show, |
| 0:38.4 | head on over to AIDDailybrief.A.I.com or send us a note at sponsors at AIdailybrief.aI. While you are at AIdailybrief.aI, you can apply for our new growth engineer role. I'm going to be closing that soon, so if you are interested, get your application in. And you can also find a link to register for the third cohort of |
| 0:54.7 | Enterprise Claw, which is coming right up soon. Basically, if you get all excited about the Codex |
| 0:59.5 | talk today and want to get that spirit of agent building across your company, that's what |
| 1:03.8 | Enterprise Claw is going to be good for. But with that out of the way, let's talk Composer |
| 1:07.9 | 2.5 and what it says about Cursor in the AI race. |
| 1:17.7 | One of the questions coming into this year was whether what Swix calls the agent labs, |
| 1:22.6 | but which we now might call the Harness First Labs, these are companies like cursor, cognition, |
| 1:27.2 | etc., would be able to compete on the model front. The concern for these companies, of course, |
| 1:44.5 | was that if they were totally beholden to the models from the big labs, if those labs started to move in the direction of building their own harnesses as well, it could squeeze out the space for the cursures and cognitions of the world. And at the same time, the cursors and cognitions of the world had something valuable in the form of the data exhaust from the usage of their platforms, which theoretically gave them insight into how people were actually interacting with these |
| 1:48.1 | models, which could turn into a valuable asset for training their own models. Whether it could |
| 1:52.2 | or couldn't, it was clear that this was a direction that they were going to start to head, |
| 1:55.0 | and that the space between these so-called agent labs and the model labs was destined to close. |
... |
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