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Every one has a lever next to it, and every one fails open: when a limit is reached, events flow through unjudged and nothing in the request path waits.",[622,623,624,639],"table",{},[625,626,627],"thead",{},[628,629,630,633,636],"tr",{},[631,632],"th",{},[631,634,635],{},"At the default",[631,637,638],{},"The lever",[640,641,642,664,679,699],"tbody",{},[628,643,644,648,651],{},[645,646,647],"td",{},"Money",[645,649,650],{},"$0.042 per million input tokens, about $6 per 100k judged events",[645,652,653,657,658,657,661],{},[654,655,656],"code",{},"when",", ",[654,659,660],{},"cacheKey",[654,662,663],{},"state",[628,665,666,669,672],{},[645,667,668],{},"Rate",[645,670,671],{},"1,200 calls per minute per account",[645,673,674,657,677],{},[654,675,676],{},"budget.perMinute",[654,678,660],{},[628,680,681,684,691],{},[645,682,683],{},"Latency",[645,685,686,687,690],{},"up to 2 s before a ",[654,688,689],{},"keep"," event drains, client unaffected",[645,692,693,696,697],{},[654,694,695],{},"timeoutMs",", a tight ",[654,698,656],{},[628,700,701,704,707],{},[645,702,703],{},"Egress",[645,705,706],{},"the whole event, before redaction",[645,708,709,657,711],{},[654,710,663],{},[654,712,713],{},"providerOptions.gateway.zeroDataRetention",[715,716,647],"h2",{"id":717},"money",[618,719,720,721,725],{},"Jev bills input tokens only, at $0.042 per million at the time of writing. The fifteen requests on the ",[722,723,724],"a",{"href":470},"overview"," cost $0.00007. A 1.5k-token event is about $0.00006, so 100k judged events are about $6, and a million are about $60. Prices move; the model page has the current figure.",[618,727,728],{},"What decides the bill is how many events reach the model, not how many signals you define. All signals due for one event share one call, so adding a question to a signal that already runs is close to free:",[730,731],"signal-batch",{},[733,734,735,749,758],"ul",{},[736,737,738,740,741,744,745,748],"li",{},[654,739,656],{}," is the first lever. ",[654,742,743],{},"fault"," on ",[654,746,747],{},"status >= 400"," costs nothing on successful requests.",[736,750,751,753,754,757],{},[654,752,660],{}," is the second. An outage produces thousands of identical 502s; a key on ",[654,755,756],{},"path + error.name"," makes it one call and serves the rest from cache.",[736,759,760,762],{},[654,761,663],{}," is the third. The default sends the whole event. Picking the six fields the question needs cuts tokens and is the same change that fixes egress below.",[715,764,668],{"id":765},"rate",[618,767,768,769,771,772,775],{},"The limit that binds before money is the account rate: 1,200 requests per minute per TypeSafe account, about 20 a second. ",[654,770,676],{}," (default 600) is a fixed one-minute window per process, so with four instances on one account set it to 300. Past the window, events pass through unjudged and ",[654,773,774],{},"stats().skipped"," goes up.",[618,777,778,779,782],{},"A failed call opens a breaker for ",[654,780,781],{},"budget.cooldownMs"," (default 30 s), so a 429 or an outage at the model costs you a 30 s gap in verdicts, not a queue.",[715,784,683],{"id":785},"latency",[618,787,788,789,791,792,794],{},"A ",[654,790,689],{}," signal runs before the sampling decision and waits for the verdict, up to ",[654,793,695],{}," (default 2 s). Two things make that acceptable:",[733,796,797,807],{},[736,798,799,800,802,803,806],{},"The response is already sent. ",[654,801,689],{}," and ",[654,804,805],{},"enrich"," run after the request finishes, so the client never waits on the model.",[736,808,809,812],{},[654,810,811],{},"durationMs"," on the event is the request's duration, measured before keep hooks run. The judgment does not inflate your latency charts.",[618,814,815,816,819,820,822],{},"What it does delay is the event reaching your drain, by the model's round trip. Keep signals belong on narrow paths (",[654,817,818],{},"\u002Fapi\u002Fcheckout",", not every 200), and ",[654,821,805],{},"-only signals have no such wait.",[715,824,703],{"id":825},"egress",[618,827,828,829,831,832,835,836,838,839,843,844,847,848,850],{},"The model reads what ",[654,830,663],{}," gives it. 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Inference runs in your process with your key; evlog holds no key and proxies nothing.",[715,1035,1037],{"id":1036},"what-never-happens","What never happens",[733,1039,1040,1043,1050],{},[736,1041,1042],{},"A keep signal never drops an event. It promotes, and head sampling stays deterministic.",[736,1044,1045,1046,1049],{},"A verdict is never prose. Columns are typed values with a probability, and nothing else is added to the event unless you ask for it (",[654,1047,1048],{},"stampModel",").",[736,1051,1052,1053,1059],{},"A limit never surfaces as an error. 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