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The mechanics

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Style
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Written for

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Jeremy Howard on AI · ViralLoop

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Jeremy Howard@jeremyphoward

How useful is llms.txt? It's so useful that Tailwind rejected a PR to add an llms.txt, on the basis that it would be so useful that people wouldn't need to read their docs any more! t.co

1.7K likes80 repliesPosted Jan 7, 2026

View the original on X Written by Jeremy Howard. Captured Sep 4, 2026.

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50

Viral score

Based on absolute engagement — the platform doesn’t expose follower counts here, so large accounts score higher.

From likes, comments.

Why it worked

Opens with a short, self-contained line that is easy to take in at a glance.
Ends on a short line that is easy to quote and repeat.
The opening line stands alone, so it reads completely before the post is expanded.
Short enough to read in full without expanding, which removes a step before the point lands.

The mechanics

Hook: Plain observation
Structure: Hook → Landing
Style: Conversational paragraphs at a steady pace.
Tone: energetic
Written for: People building with AI

Analysis by ViralLoop — not written by the original author.

Topics

Posts built the same way

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For those confused why the US state and Silicon Valley are having a meltdown on twitter today. China released multiple AI models that are 50x more efficient than the best American AI models and made them open source, ruining the AI market

Universal HIGH INCOME via checks issued by the Federal government is the best way to deal with unemployment caused by AI. AI/robotics will produce goods & services far in excess of the increase in the money supply, so there will not be inflation.

I am very excited about AI, but to go off-script for a minute: I built an app with Codex last week. It was very fun. Then I started asking it for ideas for new features and at least a couple of them were better than I was thinking of. I felt a little useless and it was sad.

Hi! I'm one of the prompt writers that worked on this ad. It's a lot harder than people think! Prompts that my team used include: -make it funny -make it epic AND funny -funnier!!! Please be nice to my team as many of them will be laid off/replaced by AI

More from Jeremy Howard

Wow. @Zai_org GLM 5.2 is a marvel! It is *at least* as good as Opus 4.8 and GPT 5.5. It's super fast, inexpensive, and not too verbose. It responds with nuance and judgement, & handles long context VERY well. I've never experienced an open weights model like this before.

For the "small test" they've modified their docs to remove mention of Claude Code in Claude Pro: t.co It's been a shock to see Anthropic's integrity collapse in the face of commercial pressure. Would love a renewed commitment to straightforward honesty.

Just read through the Llama 4 release announcement. I'm really grateful they've released this with open weights. But tbh I'm also pretty disappointed. The models are both giant MoEs that can't be run on consumer GPUs, even with quant. t.co A big loss.😢

This graph (from @enricoros, based on @paulgauthier work) show's GPT-4.5's perf on (IMO) the most practical & important eval: Aider Polyglot. If this is accurate, OpenAI is in *deep* trouble! Their crown jewel, the latest GPT, is *500x* more $$$ than DeepSeek v3, yet worse!

# The *actual* LLM scaling law. Adding more compute and data to LLMs makes them: - Linearly more expensive, and - Logarithmically more useful. Therefore: - Scaling becomes less useful the more you do it (once you reach a point where cost is non-trivial).

I'm glad that ChatGPT now has a feature called "Projects" which lets you organise chats, add files, and set custom instructions. But… maybe a little credit might have been nice for Claude "Projects", which lets you organise chats, add files, and set custom instructions?