Symbol p_esc

Its job in the formula

$p_e$sc is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

Where the article explains it

Because $p_{\text{esc}}$ is small on ordinary traffic, the average cost collapses toward $c_{\text{probe}}$ even though $c_{\text{exchange}}$ did not get any cheaper — which is the documented reason Anthropic reports the overhead falling from 23.7% to roughly 1% between generations, alongside a drop in the harmless-traffic refusal rate to 0.05% and, across more than 1,700 cumulative red-teaming hours against the new system, one high-risk vulnerability found, which Anthropic describes as a detection rate of 0.005 per thousand queries — the lowest of any defense it reports having evaluated [ 1 ] .

Learn the underlying idea

A subscript is a label attached below a symbol. It often selects a time step, component, category, or member of a sequence.

Open the illustrated subscripts: which member of a family? guide →