Dr Alex Young ⚡️ Profile picture
Aug 16 16 tweets 4 min read Read on X
This might be the most important AI paper of the year.

DeepMind showed LLMs can actually reason with explicit rules.

No prompt hacks. No fine-tuning tricks.

Just real, general reasoning.

Let’s break it down: Image
For years, the line was:

“LLMs can’t really follow rules. They just mimic patterns.”

Turns out… that’s wrong.

This study shows LLMs can actually internalize rules and apply them in totally new situations just like humans.
Think of it like teaching someone a card game.

You explain the rules, play a few rounds…

Then hand them a completely different deck.

If they still win, they’re not memorizing they’re understanding.
That’s exactly what the researchers tested.

- Gave LLMs made-up rules they’d never seen
- Tested them with brand-new examples
- Measured how well they applied the rules

The result? Big models crushed it with 10–30% better accuracy. Image
And the best part?

The rules didn’t just stick in that one task.

They could be transferred to other problems or even different models.

That’s like teaching one student and suddenly the whole school gets smarter.
Why this matters:

Rule-following is critical in…

• Law
• Science
• Finance
• Safety systems

If AI can follow explicit rules, it’s more than just “creative” it’s reliable.
How they did it (simplified):

1. Create brand-new rules
2. Show the model correct examples
3. Throw brand-new, tricky problems at it
4. See if it applies the rules not just patterns
One thing was clear: Prompt clarity is king.

When the rule is explained cleanly in the prompt, performance jumps.

Vague, messy instructions? Accuracy tanks.
And sometimes?

Models nailed it on the first try no training, just from reading the rules.

That’s like reading chess rules and winning your first game.

But there’s a catch:

✅ Simple, short rules → learned fast
⚠️ Long, tangled rules → harder to master

Complexity still matters.Image
Limitations? yeah there are few.

• Mostly clean, synthetic data
• Real-world rules are messy
• Edge cases can trip models up

Still, it’s a big leap for symbolic reasoning in LLMs. Image
The takeaway:

LLMs aren’t just parrots.

With the right setup, they can:

• Learn explicit rules
• Apply them to new cases
• Share that knowledge

That’s getting close to true reasoning.
Imagine the possibilities:

• AI contract review that actually follows legal clauses
• AI tutors that enforce grammar/math rules
• Game AIs adapting instantly to brand-new mechanics

For builders:

• Clearer prompts = better rules
• Fine-tuning locks them in
• Smaller, focused rule sets work best

Think precision over complexity.
If LLMs can learn & transfer rules, the “fancy autocomplete” era is over.

We’re in the age of AI that can be taught like a student.

And a well-taught student? Can change the game.
Read it here:
arxiv.org/abs/2310.07064
P.S.

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More from @AlexanderFYoung

Aug 14
If you want to learn how AI agents work…start by learning these 10
basic concepts 👇
1/ Agentic AI

This is AI that doesn’t just answer questions it gets shit done.

Basically, It can plan, make decisions, and act without you babysitting it.

Think of the difference between asking a human for advice…

And having someone who actually takes the action for you. Image
2/ Agent

The basic unit of Agentic AI.

An agent is a piece of software that can see what’s going on, think about it, and do something to reach a goal.

Example: an ecommerce agent notices a product is almost sold out, checks sales data, and automatically places a reorder. Image
Read 13 tweets
Aug 12
I'm about to save you $10,000 and 4 years of college.

Here are 9 free courses from Google, Stanford, and MIT that will take you from AI beginner to expert:
1/ Udacity’s Intro to Artificial Intelligence

taught by sebastian thrun and peter norvig two of the biggest names in AI.

covers search algorithms, machine learning, logic, and planning.

udacity.com/course/intro-t…
2/ Artificial Intelligence: Principles and Techniques Stanford

stanford’s legendary cs221 course.

focuses on the core ideas of building intelligent systems, from probabilistic reasoning to decision-making.

youtube.com/playlist?list=…
Read 12 tweets
Aug 9
I just read "Foundations of LLMs 2025" cover to cover.

It explained large language models so clearly that I can finally say: I get it.

Here’s the plain-English breakdown I wish I had years ago: Image
To understand LLMs, start with pre-training.

We don’t teach them specific tasks.

We flood them with raw text and let them discover patterns on their own.

This technique is called self-supervised learning and it’s the foundation of everything.
There are 3 ways to pre-train:

→ Unsupervised: No labels at all
→ Supervised: Classic labeled data
→ Self-supervised: Model creates its own labels (e.g., “guess the missing word”)

LLMs use #3 it scales like crazy and teaches them language from scratch.
Read 20 tweets
Aug 8
Grok might be the smartest stock trader on the planet.

But only if you know the right prompts.

Here are 10 to put your trades on autopilot 👇
1/ Market Analysis:

"Analyze the current trends in the stock market, focusing on [input sector or stock]. Identify any emerging patterns and suggest potential investment opportunities. Consider recent earnings reports and industry news in your analysis."
2/ Portfolio Diversification:

"Given a portfolio with a mix of [input current sectors or stocks], suggest strategies to diversify further while minimizing risk. Include potential sectors to explore and specific stocks to consider."
Read 13 tweets
Aug 1
You don’t need a PhD to master AI.

You need 30 days and a smart plan.

Here’s the exact roadmap (even if you’re starting from zero):
Most beginners start by:

- Building chatbots
- Downloading agent frameworks
- Playing with APIs

But they don’t understand tokens, prompts, or context windows.

That’s like trying to write a novel before learning the alphabet.
The AI hierarchy

Start here:

AI → ML → DL → LLMs

AI = mimics intelligence (rules or learning)
ML = learns from data
DL = uses neural networks
LLMs = predicts the next word at scale

If this is fuzzy, everything else will confuse you later. Image
Read 16 tweets
Jul 30
This is AMAZING.

You can ask ChatGPT-4o to explain Warren Buffett’s portfolio, analyze market trends, and even spot risky stocks.

Here are 10 essential prompts for every trader:
1/ Market Analysis:

"Analyze the current trends in the stock market, focusing on [input sector or stock]. Identify any emerging patterns and suggest potential investment opportunities. Consider recent earnings reports and industry news in your analysis."
2/ Portfolio Diversification:

"Given a portfolio with a mix of [input current sectors or stocks], suggest strategies to diversify further while minimizing risk. Include potential sectors to explore and specific stocks to consider."
Read 12 tweets

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