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LensLapse

a training-time-lapse for the logit lens

step — precomputed

⬇ figure

About GitHub

training step 0

step 0 LensLapse ↗ step 143,000

Logit-lens grid

cell = top-1 lens prediction · hover: top-10 · click: pin for trajectory

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Trajectory across training

click a cell in the grid

Emergence stories

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Models on the probe server

Add a model

Source (HF id or a folder on the server machine)

App id Label (optional)

Checkpoints single final checkpoint suite (Pythia-style step{N} revisions) local Trainer directory (checkpoint-*)

Steps (comma-separated)

Registered models are probed live through the server (no ONNX export needed) and persist across server restarts. The app remembers this server across visits; open the page with ?probe=off to disconnect.