Start bounded, testable bugs on V4 Flash and escalate when tokenThe chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.Full definition → use passes roughly 3x its average or the patch spreads beyond the expected area — a 99x cost gap with a stated failure boundary.
Terms in this piece · Glossary
benchmark — A standard public test set for comparing AI models — the shared scoreboards behind every "model X beats model Y" claim.
token — The chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.
postPrompt cache TTL is the hidden line item in long coding-agent sessions
articleFull breakdown: Claude-only apps often wait until the host speaks the new revisi
articleDo not ask whether the agent follows the rule. Ask what stops it when it does no
articleFull Breakdown: When can a change ship unread? When something cheap and hard to 
