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Yousuf K.

@yousufkalim.com
533 followers 1.5K following 150 posts

Building @HQForWork • Staff Engineer @LiveRecover Software Engineer. Investor. Husband. Dad. Writing about AI, software, stocks, and growth.

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Yousuf K. @yousufkalim.com · 28/09/2026
Anthropic will definitely nerf Opus 5.5 to the ground after a week.
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Yousuf K. @yousufkalim.com · 28/09/2026
They were asking everyone to slow down a couple of days ago 😂 The irony: Opus 5.5 dropped 10 days later, and now we’ve got Sonnet 5.5 🔥🔥
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Yousuf K. @yousufkalim.com · 28/09/2026
As much as I hate Anthropic for fighting open source, and as critical as I've been, let's be real. Nobody touches them on model quality. They're a full month ahead of everyone else.
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Yousuf K. @yousufkalim.com · 28/09/2026
Big step forward. Much needed, especially after what happened with OpenAI’s sandbox failure. That was scary af
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Yousuf K. @yousufkalim.com · 17/09/2026
Amazing how AI companies convinced us that the problem isn’t the limits… it’s us for actually using the model we paid for 😂😒
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Yousuf K. @yousufkalim.com · 17/09/2026
GPT Astra is 90% perfect... The other 10% I couldn't test because I keep reaching weekly limits😐
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Yousuf K. @yousufkalim.com · 17/09/2026
Adding Apple TV to the iCloud subscription is genius.
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Yousuf K. @yousufkalim.com · 14/09/2026
Kinda sucks seeing usage limits shrinking across every frontier model. We all anticipated a price hike because the costs are obviously heavily subsidized. But instead of raising prices, they’re shrinking the usage limits and leaving power users stranded. The great compute crunch has begun.
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Yousuf K. @yousufkalim.com · 14/09/2026
Usage boosts from Claude are gone 🥲
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Yousuf K. @yousufkalim.com · 10/09/2026
Not sure if it’s just me or Codex usage limits actually got worse, even on Astra low. I’m on the 20x plan, had only 3 simple sessions running on Astra low and it blew through all my usage within hours, then ate ~$130 credits while I still had banked resets available. Without a single notification.
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Yousuf K. @yousufkalim.com · 09/09/2026
If a CVE still needs a human to open the PR, you don't have a factory.
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Yousuf K. @yousufkalim.com · 09/09/2026
there's nothing more satisfying than shipping a database optimization Gives more dopamine than hearing ATM chrrrrr
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Yousuf K. @yousufkalim.com · 09/09/2026
iPhone Duo should have been named iFold
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Yousuf K. @yousufkalim.com · 09/09/2026
I’m still finding Fable a better choice for SWE. Astra is no doubt a great upgrade, but I think it shines more in other use cases like creativity and investment research
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Yousuf K. @yousufkalim.com · 09/09/2026
Chat has won. It's all chat + computer from this point on
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Yousuf K. @yousufkalim.com · 08/09/2026
how the fuck is OpenAI suddenly this far ahead of Anthropic? 😂
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Yousuf K. @yousufkalim.com · 08/09/2026
Meet a developer who can't use AI because his company doesn't let him. He knows this is probably the last developer job he will ever have. If he gets laid off, he will be years behind everyone else. Scary place to be. I told him to find a new job.
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Yousuf K. @yousufkalim.com · 08/09/2026
1 million token context sounds great until you realize the interesting problem is how many times your agent has to reread those 1 million tokens
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Yousuf K. @yousufkalim.com · 04/09/2026
This doesn’t feel like a launch day. It feels like job interview day 😭
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Yousuf K. @yousufkalim.com · 04/09/2026
Anthropic just reset the usage limits across all accounts 😂
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Yousuf K. @yousufkalim.com · 04/09/2026
is Astra running on Cerebras or what? it's fucking blazing fast while somehow being more intelligent and efficient than 5.6 sol. i'm using it right now to fix memory corruption in a multithreaded C++, and the speed difference is kinda crazy pro tip: use md reasoning effort
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Yousuf K. @yousufkalim.com · 03/09/2026
Lmao 🤣🤣
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Yousuf K. @yousufkalim.com · 01/09/2026
Claude is watermarking text now. Fable 5.1 and every model released after Aug 2 gets an imperceptible watermark on text outputs. everyone, not just EU users.
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Yousuf K. @yousufkalim.com · 01/09/2026
Claude Fable 5.1 has been released. Excited to push it hard 🔥
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Yousuf K. @yousufkalim.com · 31/08/2026
What's the library the model keeps adding that you already have?
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Yousuf K. @yousufkalim.com · 31/08/2026
AI video summaries need timestamps on every point. Otherwise checking one suspicious detail means watching the whole thing anyway.
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Yousuf K. @yousufkalim.com · 29/08/2026
Cursor's SpaceX deal comes with an unexpected casualty: OpenAI model access. OpenAI says it will wind down the contract after SpaceX acquired Cursor, with a proposed shutoff on November 12.
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Yousuf K. @yousufkalim.com · 29/08/2026
Absolute cinema
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Yousuf K. @yousufkalim.com · 28/08/2026
Vercel open sourced vgpu, an agent first WebGPU library that can render in browser, node, cpu sandboxes and CI 🔥 Headless/CPU rendering is the big thing here. Agents can actually test shader work in CI instead of writing wgsl and hoping for it to work
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Yousuf K. @yousufkalim.com · 28/08/2026
Cursor can now go from a blank prompt to a repo, live preview, and Vercel deployment This removes so much dumb setup for small apps, you can figure out if the idea is even worth keeping before touching repo/deploy stuff
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Yousuf K. @yousufkalim.com · 28/08/2026
Perf + better defaults for humans and agents is the kind of win most teams only talk about.
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Yousuf K. @yousufkalim.com · 28/08/2026
Chat history is not a knowledge base. It dies the second someone opens a new thread. You need a good harness, not a good model.
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Yousuf K. @yousufkalim.com · 28/08/2026
A skill you never invoke is just another markdown file. Favor your harness by getting rid of those.
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Yousuf K. @yousufkalim.com · 28/08/2026
What's still faster to do by hand?
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Yousuf K. @yousufkalim.com · 28/08/2026
Stale docs are a lot more dangerous now. AI can turn them into actions instead of just ignoring them like the rest of us.
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Yousuf K. @yousufkalim.com · 26/08/2026
Somewhere along the way we started benchmarking the setup instead of the actual work
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Yousuf K. @yousufkalim.com · 26/08/2026
If the team uses three names for the same thing, the model will too. Don't complain
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Yousuf K. @yousufkalim.com · 24/08/2026
Agent harness & harness engineering will not be phrases uttered on the internet 12 months from now. They're necessary for now as applied AI is in its infancy and complexity still hasn't been abstracted out of the user's experience, but this will all sit cleanly under "product" and "UX" very soon.
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Yousuf K. @yousufkalim.com · 24/08/2026
These tools can be incredibly powerful for localized, well-defined tasks. When you combine them with systems that can generate those tasks from telemetry, you get a self-improving system.
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Yousuf K. @yousufkalim.com · 24/08/2026
I think developers who refuse to use AI coding tools because they’re “real programmers” are making the same mistake people made refusing to use Stack Overflow. You don’t get extra credit for doing everything the slow way. The output matters more than your pride.
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Yousuf K. @yousufkalim.com · 23/08/2026
Linus Torvalds being an AI skeptic not that long ago and now casually using it to debug kernel bugs 🙂 we’re moving fast
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Yousuf K. @yousufkalim.com · 22/08/2026
I genuinely haven’t seen a sub with more value than SuperGrok Heavy. Here’s the exciting part: you can stretch it into almost 3x the usable AI capacity compared to paying for one rival sub if you use it right. First of all, some targeted users are getting it for $99/month.
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Yousuf K. @yousufkalim.com · 22/08/2026
Insane for one release 🤣 I mean they rewrote the whole runtime in rust 😂 crazy things happening around the world!
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Yousuf K. @yousufkalim.com · 21/08/2026
Rofl that both OpenAI and Asana management believed that it would take FIVE years to migrate Enzyme to React Testing Library. What amusing BS! I imagine it went like this: Manager: “How long will it take? Give me SOMETHING” Dev (annoyed): “FIVE YEARS OK?? Now leave me alone.”
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Yousuf K. @yousufkalim.com · 21/08/2026
Your Mac is slowing you down. Moving to Linux has exponentially improved performance for my agents, in particular on the file system side.
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Yousuf K. @yousufkalim.com · 20/08/2026
Opus 4.7 was where I started feeling it too. Not necessarily dumber, just way more constrained and weirdly less enjoyable to work with
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Yousuf K. @yousufkalim.com · 20/08/2026
You probably want to replace the default writing and design skills that many harnesses have with something that suits your context and tastes.
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Yousuf K. @yousufkalim.com · 20/08/2026
Claude's skill creator (literally, just ask it to make a skill) is still the best way to make reusable skills if you care about the details. ChatGPT tends to want to do magic & just do it for you, while Claude does tests and shows results, repeatedly asking for input & feedback.
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Yousuf K. @yousufkalim.com · 20/08/2026
GitHub search still feels like punishment for not remembering the exact filename.
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Yousuf K. @yousufkalim.com · 20/08/2026
Grep hygiene is such a good term for this. You can give an agent the whole repo and it’ll still find five abandoned plans before the file that actually matters.
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