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Professional portrait of Vasilis Katsoulis in a navy blazerVasilis Katsoulis

Tokens

Tokenizer Lab

Inspect normalized text, tokens, token IDs, and a compact token table in a browser-based teaching lab.

What this demonstrates

Inspect normalized text, tokens, token IDs, and a compact token table in a browser-based teaching lab.

The curated explanation lives on Vasili. The executable application launches independently on demo.protepo.com so this narrative remains available in the original tab.

Project
MAGPAI
Status
available
Version
v1.1
Execution host
demo.protepo.com

Session 1 Context

The lab starts with a plain business question: Are MAG sales up in Chicago?A human can read the company, metric, direction, and market immediately, but a model cannot process the raw sentence directly.

This first conversion step makes the boundary visible. The demo normalizes the question, splits it into word-level tokens, keeps the question mark as its own token, and maps each token to an ID before later vector and data-backed answer steps can happen.

How to run it

  1. Open the interactive demo in a new tab.
  2. Use the controls in the executable page to inspect the model behavior or training flow.
  3. Return to this native Vasili details page for context, source relationships, and engineering narrative.