Developer resource
Token cost estimation guide
Estimate input, output, and cached tokens before you widen access. This guide focuses on the simplest next step for a developer.
token cost estimationprepaid AI APIOpenAI-compatible APIAPI cost control
Why it matters
The search intent behind token cost estimation usually comes down to control, compatibility, and predictable cost.
How to set it up
Use a scoped key, trial credits, and a narrow model list while you confirm the route works.
What to verify
After the first request, verify the log row, the token meters, and the billed amount.
FAQ
What is the first step?
Create one scoped key and keep the first test small.
Why does NexRelay fit this use case?
Because it keeps the first test visible and reversible.