Petr Brzek
@PetrBrzek
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Cooking @macalycom
Prague, Czech Republic
Joined October 2009
Wow, I didn’t expect that. The funny thing is that Bun has never rolled out any commercial service and most likely never will.
Anthropic is acquiring @bunjavascript to further accelerate Claude Code’s growth. We're delighted that Bun—which has dramatically improved the JavaScript and TypeScript developer experience—is joining us to make Claude Code even better. Read more:
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I just did an annoying refactor, quite a complicated one, and I tried it with Opus 4.5 and it handled it like a boss. I’m impressed.
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Hmm, it still can’t handle transparent backgrounds 😩. Only gpt-image can do that. That makes it pretty unusable for icons and artwork for landing pages.
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All I want from Nano Banana Pro is support for transparent backgrounds. Is that available?
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Hopefully Gemini 3 won’t tank the whole market if it turns out to be a flop.
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Just realized that v0 isn’t using the real Next.js dev server or sandboxes. It’s emulating everything in the browser, which means no Prisma or Convex in v0. 😬
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Love this growth strategy for AI startups. You’ve gotta be in SF for this to work. Do a super cool looking demo. Get the initial wave of users hyped. Immediately raise a huge seed round, do it fast, because the retention and churn will tank quick as fuck. After raising the money,
I spent $1.5M building our office after raising a seed round. My co-founder thought I was crazy. Here's what changed his mind... 𝐓𝐡𝐞 𝐂𝐨𝐧𝐭𝐞𝐱𝐭: After our seed round, I looked at our team. Mostly immigrants. Working 6-day weeks. Building something incredibly hard. The
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.@prezidentpavel si navibekódoval svůj web v @macalycom. S výsledkem byl tak spokojený, že se s námi chtěl vyfotit.
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To byste neřekli, co během hackathonu vytvořil Jan Tuna. Oddechová hra, globální leaderboard, vše za 2 hodiny. Odkaz v komentáři.
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It’s going to be a tough one for Comet. Defensibility in AI apps is brutal.
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I’m OG. It actually shows how old my account is. I got access to GPT-3 almost five years ago now.
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Turns out we could pretty easily add vibecoding support for ChatGPT Apps. Should we? 👀
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Spadne AWS a tvoje „chytrá“ matrace závislá na cloudu přestane regulovat teplotu a začne tě vařit. Future is now.
engineers on call 🤝 @eightsleep users no sleep because of the AWS outage
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Inspired by DeepSeek OCR, I tried converting an agent’s working memory into an image. Took a ~1400 word article that Anthropic tokenized to ~3400 tokens. I embedded the text as an image, asked questions and it worked. Tokens dropped to ~900 (~4x fewer). Haven’t checked info loss
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Grok Code Fast 1 got nerfed. It’s not reliable for tool calls anymore. It wasn’t a problem a month ago.
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