loupe

Look inside the model you're testing.

Evaluate, train and interpret language model interventions. Local and free.

Get started
A grid of conditions against a baseline in the loupe app

Evaluate

Every steer, ablation or adapter is an Inspect eval against base.

Train against

SFT, DPO and GRPO with the same check as reward.

Look inside

Lens, patching and probes across checkpoints.