Where does the free allowance spend?
On Balanced and Eco weights, most of the shelf, and where price-per-quality peaks. High (frontier) models never touch it: they bill your USDC balance even while allowance remains. The full routing logic lives in Model Tiers & Routing.
The weekly free allowance (earned by holding $ANSEM) fits prompts up to ~8k tokens, anything larger rolls over to pay-as-you-go.
Posted prices in USDC · billed at exact token count · settled on-chain per call