LayerL 16 / 32
On its mind
FAKE entered the workspace
The model’s answers
CapitalPARIS0.00
LanguageFRENCH0.00
ContinentEUROPE0.00
Replay swap
Interpretability · in 3D

A Workspace Inside the Machine

Anthropic went looking for the model's train of thought. This is what they found — rebuilt small, so you can watch it move.
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01

Most of a mind runs in the dark

Each bar in this ring is one signal inside the model. This rebuild has 64. A real model has thousands. Nine out of ten of them run on autopilot — the model can't see that work, or talk about it.

64 signals · mostly autopilot
02

A few concepts hold the floor

The rest is different. Anthropic found a way to spot the ideas a model is about to use. The six strongest light up the glowing sphere — the workspace. This is the part of its thinking the model can actually put into words.

6 / 64 · the workspace
03

Thinking happens in layers

A model doesn't think in seconds. It thinks in layers, and your scroll now moves through them. Early layers hold raw pieces. Later layers build the answer. Watch ideas rise into the workspace and drop back out as you go.

scroll · layer 0 → 32
04

Change the thought, change the answer

Now the big result. Take FRANCE out of the workspace and put CHINA in. Every answer follows: the capital, the language, the continent — all three flip. The workspace doesn't just show the thought. It steers what the model says.

swap · all three answers flip
05

You can read it — and that matters

In Anthropic's tests, a FAKE idea showed up in the workspace while the model was getting ready to lie — before it said a single word. The same moment plays out here around layer 22. That is why being able to read the workspace matters.

deception · visible early
06

Is this consciousness?

Careful now. It acts like an inner workspace: you can ask what's in it, you can change it, and changing it changes the answers. But it isn't a brain. It works layer by layer, not moment to moment, and it holds only word-like ideas. A strong likeness — not the same thing.

a likeness · not a brain
Now it's yours

Open the workspace

Open the interactive lab
Move through the layers, pull ideas out, and run the swap yourself — the same little model, live.
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