Kai
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Kai Wang (AI Kai) AI Builder 🛠️
Practical AI Workflows & Coding Tips
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Another banked Codex reset this Thursday?
It’s been a while without resets. Maybe I should come back out of the basement
Do we get Gemini 4 Flash Hydrogen this time?
OpenAI is opening up a new line of business inside ChatGPT, and its ads can now lead to AI agents.
Businesses can claim their profile and keep product info current. Eligible U.S. businesses can also build an agent that answers customer questions.
Brands can pay to promote that agent through ChatGPT Ads. Click one and you're chatting with the brand's agent instead of scrolling its website.
OpenAI is turning ChatGPT into a customer acquisition channel.
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Now in beta: Businesses in ChatGPT.
Claim your business, manage your information, and get insights on how people engage with you.
Eligible businesses can also build a Business Agent to answer customers’ questions and help them explore what you offer.
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Anthropic is getting into office software. Microsoft has a problem.
Starting to roll out today: Claude Whiteboards, Claude Sheets and Claude Data.
Think a plan through on a board, build a tracker in a sheet, and tell a story with your data.
Claude just gave all subscribers one free reset across all models, weekly limits included.
We've given all Pro, Max, Ultra, and Team users one free full reset, across all models and limits. Use it anytime before December 10 at 2:00PM PT.
We recently fixed a few small issues that used more limits than intended, and the Fable resets didn't do much for those of you who'd already hit your weekly limits for all models. While these issues didn't affect everyone, we want to make up for the trouble.
You'll find it in Settings > Usage, or at
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It took Google almost two weeks to roll out Carbon after announcing it.
For now, you need Google AI Ultra or the paid Gemini API to try it.
AA Intelligence Index:
Carbon (high) 60 vs. Fable 5.2 (max) 65
I'm not sure that gap holds up on real coding tasks.
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Gemini 4 Carbon is here
it's our strongest model with frontier performance in cybersecurity capabilities and long-horizon agentic workflows across complex knowledge work, software engineering, and scientific reasoning
Gemini 4 Carbon is now live via the Gemini API and AI Studio for paid API and Google AI Ultra subscribers
try it today:
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Gemini 4 Carbon is rolling out today.
It's already available in Cursor.
Do we get Gemini 4 Carbon this time?
Don't use Claude Fable 5.2 at Max effort!!!
Artificial Analysis benchmark results:
High: 62 | $9.08/task | 17.7 min
XHigh: 62 | $14.83/task | 26.3 min
Max: 65 | $26.54/task | 46.4 min
Going from High to Max gets you just 3 more points, but costs nearly 3x as much and takes 2.6x as long.
For everyday coding, I'd start with High and save Max for the really hard tasks.
The highest setting isn't always worth it.
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Even Ryan Dahl, the creator of Node.js, says AI writes better C++ than he does.
But that doesn't make software engineers any less important.
Someone still has to review the code, test it, and make sure it actually works before shipping.
As AI writes more code, keeping up with verification may become the real bottleneck.
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it's shocking that software engineering has transitioned to 100% AI written in such a short time.
it's more shocking that somehow we, the SWEs, are all just continuing on as if nothing happened. It writes C++ better than I ever could, but the problem of making sure it works didn't magically disappear. we are just shipping enormously more volume at higher quality.
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Heads up if you've updated the Codex app.
Check Settings > Data Controls > Location.
If enabled, ChatGPT can access your precise location, potentially down to your exact address. Location data may also be shared with third-party providers for local results.
It's supposed to be off by default, but worth double-checking.
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Something feels off. It's been 8 days since the last Codex reset.
Claude Fable 5.2 launch perks:
Max / Ultra / Team Premium get limit resets based on how long you've subscribed:
< 6 months ➡️ 1 reset
6–12 months ➡️ 2 resets
> 12 months ➡️ 3 resets
Pro / Team Standard: Fable is free this week up to half your weekly limit, plus 1 reset. Ends Nov 16.
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We're giving Ultra and Team Premium users Fable resets based on how long you've subscribed:
<6 mo: 1
6–12 mo: 2
>12 mo: 3
Use them anytime by March 8.
Pro and Team Standard get a week to try Fable 5.2, up to half your weekly limit, plus one reset.
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Worth trying this prompt with Fable 5.2. It's from Alex on the Anthropic team:
"Read this entire project and find everything that's broken, inconsistent, inefficient, or no longer needed. Fix what you're sure about and list the rest for me to review."
Heads up though, a full-project sweep can burn through a lot of your usage limit.
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Every time we have a new model, I run the same simple prompt on all my projects:
"Read this entire project and find everything that’s broken, inconsistent, inefficient, or no longer needed. Fix what you’re sure about and list the rest for me to review."
highly recommend trying
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Claude Fable 5.2 is now available in Cursor.
Can't wait to try it.
WSJ reports Anthropic is aiming to start trading on Nasdaq next week, Nov. 19 or 20.
Planned ticker: ANT.
OpenAI and ModRetro just launched a $200 retro gaming handheld.
The cool part is that you can use Codex to build your own Game Boy-style games.
Describe your idea, let Codex help build the levels, sprites, and game logic, then export the ROM and load it onto a physical cartridge.
You can actually play the game you built on a real handheld.
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Ever thought about building your own games? The Codex edition @modretro Chromatic is now on Supply Co.
With the ModRetro Chromatic plugin in Codex, you can design levels, animate sprites, and playtest on your handheld.
Speedrun checkout while Codex builds your ROM 😉
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Went through the Claude Fable 5.2 release. The coding jump over 5.1 is big.
FrontierCode 2.0 went from 32.4% to 49.1%, ahead of Opus 5.5 and GPT-6 Astra.
It's also 20% cheaper than 5.1. On High effort it already matches Opus 5.5's best score, and the same task costs you about half as much.
It also claims "task complete" less often when the work isn't done, and hides less lazy code. You need that before you leave an agent running overnight.
In one demo, 1,000+ subagents ran for 8 days and built a bootable OS from an empty folder.
For daily work, Anthropic still says start with Opus 5.5 and save Fable for the hardest jobs.
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Introducing Claude Fable 5.2 and Claude Mythos 5.2, designed to tackle the most daunting technical challenges.
They’re capable collaborators on ambitious projects in many fields, and show improvements in areas like coding, reasoning, and vision.
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A few months ago, Goldman Sachs was encouraging non-engineers to build tools with AI coding agents.
Now it's pulling back.
According to reports, most traders and investment bankers are no longer allowed to use tools like Claude Code. Access is largely limited to engineers and certain technical roles.
And with the recent concerns around leaked API keys, exposed credentials, and agents accidentally deleting files, I can see why.
When an agent has access to internal code, customer data, and company systems, a single mistake can do real damage.
AI is making it easier for anyone to write code. But access controls, secret management, and code review matter more than ever.
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MIT just released the 2026 edition of The Missing Semester, and it now includes Coding Agents.
The entire course is free, with lecture notes, exercises, and YouTube videos.
It's a great complement to learning how to code. It covers the practical tools and skills that programming courses often skip.
It starts with Shell, Git, debugging, and profiling, then moves into shipping software, code quality, and AI coding tools like Claude Code, Codex, MCP, and Skills.
Definitely worth checking out if you're a developer.
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