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Guides, tutorials, and insights on AI coding tools and API providers.

· 3 min read

How Developers View Anthropic After ChatGPT-4.5's Release

It was about ten o'clock that night. I had just put my kid to bed when my phone blew up. A friend sent a message: "Dude, Claude 3 just dropped! They say it crus

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· 6 min read

First Counter‑Intuition: More than half the tasks are handed off to a small model.

I spent months studying AI agents, only to realize that I'd been heading in the wrong direction from the very start. A month ago, I noticed something striking

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· 6 min read

Visualizing Claude Code: A Deep Dive into Its Source

The news about Claude Code’s source code leak has been spreading pretty widely recently. There’s this 59.8MB npm package, and the source maps weren’t fully clea

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· 6 min read

Here's the English translation, keeping the storytelling style: Come on, here's the revised version

Come on, here's the revised version. Mainly three changes: the numbers in that simulation experiment were too "perfect," so I swapped them for a trend descripti

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· 5 min read

That Cup of Coffee in the Summer of 2023 Opened My Eyes to the Make-or-Break Dynamics of Large Model Startups

You know that feeling? When you can clearly smell something off, but you can't quite put your finger on what's wrong. It was the summer of 2023, in a coffee sho

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· 6 min read

LLM Pretraining: The Foundation of AI Mastery

Let me tell you a story — the pitfalls I fell into. Last year, I took on a project in the medical vertical. The client's requirement: use an open-source model t

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· 6 min read

Finally Mastered Writing Novels with ChatGPT!

Guess what happened the first time I used ChatGPT to write a novel? I stood there with my hands on my hips, all confident, and tossed it this prompt: "Write me

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· 5 min read

After Testing This God-Level Prompt, I Really Got Slapped in the Face by Claude 3.5

Let me tell you something straight. Six months ago, someone told me "Claude 3.5 is head and shoulders above everyone else." I laughed out loud on the spot

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· 5 min read

90 Billion In, and All I Feel Is "Meh"? That Numbness Is the Real Horror

Hey, let me tell you something. The other day I saw the news about Anthropic's fundraising round — 【this round, including a partial tender offer, pushed the val

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· 3 min read

Let's Talk Again About Reinforcement Learning in Autonomous Driving

Speaking of this topic, I remember a particularly embarrassing scene last month. I was all excited, having just reproduced an imitation learning baseline. The m

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· 3 min read

Generate/Inference in Large Language Models (LLMs)

You may not believe it, but my hands were shaking when I was flipping through my notes — there were more than twenty records of model parameters going completel

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· 6 min read

I. Rather Lie Than Shut Up? Because It's Mathematically the Optimal Strategy

Oh my god, I'm so tired of being asked about this — but honestly, it's the puzzle I can't stop obsessing over. Let me start with a story. Last month, a friend o

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