# Interactive Map to Explore GPT-2's Token Embedding Space

Tap any token to explore GPT-2's language model.

- **Source:** [r/MachineLearning](https://www.reddit.com/r/MachineLearning)
- **Published:** 2026-07-18
- **Topic:** [Data & AI](https://brifing.si/c/data-ai)
- **Original article:** <https://www.reddit.com/r/MachineLearning/comments/1v09muj/interactive_map_of_gpt2s_token_embedding_space/>
- **On Brifing:** https://brifing.si/s/0b3db045-1d9e-4a0e-962d-7415fb1b0437

## Introduction

This interactive map visualizes GPT-2's token embedding space. Users can tap any token and explore its nearest connections to better understand how the language model works.

## How It Works

The map displays 32,070 alphabetic tokens from GPT-2-small's WTE. It is organized using the t-SNE algorithm over a compressed representation, with each line representing a real nearest relationship.

## User Experience

Users can zoom in, tap any token, and explore its neighbors. The search box allows them to quickly jump to any token they are interested in.

## Mobile Compatibility

The map works seamlessly on mobile devices. Users can pinch to zoom and navigate between tokens with ease.

## Technical Details

The map is created using the minimum spanning tree method, ensuring that each line represents a real proximity relationship between tokens.

## Significance

This tool is a valuable resource for those looking to understand how language models work. It sheds light on GPT-2's inner workings by visualizing relationships between tokens.

## Sources covering this story

- https://www.reddit.com/r/MachineLearning/comments/1v09muj/interactive_map_of_gpt2s_token_embedding_space/ — 

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_Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._
