Unverified50% confidenceFactExact time
The usage object in mainstream API responses typically includes fields such as input_tokens, output_tokens, cache_creation_input_tokens, and cache_read_input_tokens; naming differs slightly across providers but the semantics are similar.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/15/2026
First Seen
Valid until: 1/13/2027
Sources
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