Enter your own measurements. The worksheet runs only in your browser; it sends nothing and calls no model.
usage.input_tokens from your own requests. Required; there is no default.Jev list price used: $0.042 per million input tokens; output tokens free (TypeSafe models page, checked 7 Oct 2026, 05:19 UTC). Gateways may bill differently; on OpenRouter use each response's usage.cost.
Enter your measured input tokens per request to see the cost.
| Item | Per month | Per 1,000 decisions |
|---|
Reference only, not a default: Opper reported that Jev adds about 257 input tokens to every request (25 Sep 2026, operator-reported, Reported). TypeSafe's own API examples show 296–318 input tokens for a one-sentence state and one short question.