How to use the result
- Choose the exact model profile used by the production request instead of a vendor-wide family name.
- Enter separate estimates for system instructions, conversation history, retrieved material, tool schemas, attachments, and expected output.
- Use the remaining budget to decide whether to trim history, retrieve fewer passages, summarize context, or reserve less output before sending the request.
How to interpret the answer
The combined total must fit the model context, while requested output may also face a smaller output-token ceiling. A small positive remainder is fragile because tokenizer differences, hidden tool syntax, attachment extraction, or provider-reserved tokens can consume more context than a rough estimate predicts.
A passing result means the entered workload fits the documented constraint represented by this tool. It does not guarantee latency, availability, cost, throughput, or acceptance by every upstream and downstream service.