newsletterSeptember 23, 2026·Towards Data Science

How to Make Your First World Model from Scratch

A beginner-friendly guide to building a world model in Python, letting it daydream its way through CartPole, and accurately measuring when the illusion collapses. The post How to Make Your First World Model from Scratch appeared first on Towards Data Science.

Key Takeaways

•A beginner-friendly guide to building a world model in Python, letting it daydream its way through CartPole, and accurately measuring when the illusion collapses. The post How to Make Your First World Model from Scratch appeared first on Towards Data Science.
•This story was reported by Towards Data Science, covering developments in the newsletter space.
•AI advancements continue to reshape industries — read the full article on Towards Data Science for complete coverage.

📖 Continue reading the full article:

Read Full Article on Towards Data Science →

Share this article

X Facebook Reddit ☕ Support

Towards Data Science

I Trained a Tiny Network to Compress Data. It Drew a Pentagon.

Reproducing Anthropic's "Toy Models of Superposition" from scratch in NumPy, with hand-derived gradients and no borrowed numbers. The post I Trained a Tiny Network to Compress Data. It Drew a Pentagon. appeared first on Towards Data Science.

Towards Data Science

From Words to Vectors: What Happens in Between?

A Journey through TF-IDF, vector space, and text classification The post From Words to Vectors: What Happens in Between? appeared first on Towards Data Science.

Towards Data Science

How GRPO Trains Small Language Models with Verifiable Rewards

The mechanics behind local reasoning experiments with Unsloth and why the reward function matters as much as the model. The post How GRPO Trains Small Language Models with Verifiable Rewards appeared first on Towards Data Science.

Towards Data Science

Break Your Own RAG Pipeline Before Users Do

A small adversarial test set that catches the retrieval failures your evaluation set never will The post Break Your Own RAG Pipeline Before Users Do appeared first on Towards Data Science.

Discussion

Loading articles...

How to Make Your First World Model from Scratch

Key Takeaways

Related Articles

I Trained a Tiny Network to Compress Data. It Drew a Pentagon.

From Words to Vectors: What Happens in Between?

How GRPO Trains Small Language Models with Verifiable Rewards

Break Your Own RAG Pipeline Before Users Do

Discussion

How to Make Your First World Model from Scratch

Key Takeaways

Related Articles

I Trained a Tiny Network to Compress Data. It Drew a Pentagon.

From Words to Vectors: What Happens in Between?

How GRPO Trains Small Language Models with Verifiable Rewards

Break Your Own RAG Pipeline Before Users Do

Discussion

Related Articles

Towards Data Science
I Trained a Tiny Network to Compress Data. It Drew a Pentagon.
Reproducing Anthropic's "Toy Models of Superposition" from scratch in NumPy, with hand-derived gradients and no borrowed numbers. The post I Trained a Tiny Network to Compress Data. It Drew a Pentagon. appeared first on Towards Data Science.

Towards Data Science
From Words to Vectors: What Happens in Between?
A Journey through TF-IDF, vector space, and text classification The post From Words to Vectors: What Happens in Between? appeared first on Towards Data Science.

Towards Data Science
How GRPO Trains Small Language Models with Verifiable Rewards
The mechanics behind local reasoning experiments with Unsloth and why the reward function matters as much as the model. The post How GRPO Trains Small Language Models with Verifiable Rewards appeared first on Towards Data Science.

Towards Data Science
Break Your Own RAG Pipeline Before Users Do
A small adversarial test set that catches the retrieval failures your evaluation set never will The post Break Your Own RAG Pipeline Before Users Do appeared first on Towards Data Science.