USD per million cached input tokens read; null when unknown.
When the list was read, as an ISO timestamp; null without a list.
USD per million uncached input tokens; null when unknown.
The list entry the price belongs to; null when unknown.
USD per million output tokens; null when unknown.
Where the list came from (openrouter or coagent8_PRICES_URL); null without a list.
The list is older than PRICE_STALE_MS, so it cannot satisfy a price limit.
What the price list says about one concrete model (
AX-001): public list prices per million tokens, not a request estimate, measured usage or a bill.