Lei Yang on X: “I spent two years building this interactive tool to let you steer LLMs…”

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Lei Yang

@diyerxx

I spent two years building this interactive tool to let you steer LLMs and agents at the token level.

Introducing onPanda — a web app for token visualization & control, model inspection, data annotation, and more.

Try it online (works on mobile): onpanda.diyer22.com

1:36

Sep 18, 2026, 6:49 PM UTC

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Lei Yang on X: “I spent two years building this interactive tool to let you steer LLMs…” | PeekX