Unverified50% confidenceCautionExact time
Providers do not send the user's JSON to the model as-is; instead they rewrite it into an internal format and add their own instructions, so the real token numbers will differ and vary by provider; it is recommended to verify by comparing the difference between with-tools and without-tools via the usage.prompt_tokens field.
1
Sources
50%
Confidence
Long-term
Relevance
10/16/2026
First Seen
Sources
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