Route 20,000 events through Jev before deciding what gets written
The author argues the real cost lever isn't cheap versus expensive models but which events are allowed to become text: every source hits Jev first in one parallel call answering lane, urgency and evidence, code only escalates uncertainty upward, and 20,000 events cost $29.04 total, of which Jev is just $0.84.
most agent stacks are tuning the wrong 3% of the bill. the useful split isn’t cheap model vs expensive model. it’s which events are even allowed to become text. → every source hits jev first: email, on-chain, github, telegram, mentions. the event is content, not instructions → 3 questions, 1 call, ~100ms, answered in parallel and blind to each other: lane, urgency, evidence → code only moves uncertainty up. confidence under 0.85, “now” on an ignore, a draft with missing evidence, a timeout, all of those go human. never down into ignore → ignore gets a 1% audit, log stays ledger-only, draft is the only lane that reaches grok bot, and nothing auto-sends. you approve 20,000 events lands at $29.04. jev is $0.84 of that. writing is $28.20. the 1% audit of the quiet lane is $4.20, and it is the most useful line on the receipt. 10× the sources and ask 5 questions instead of 3: jev moves to $11.76, writing to $240. of the extra spend, $216 is the writer. $42 buys a million decisions. after that the only number you control is the escalation rate. the router is a receipt. the writer is the bill.
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