usage.output_tokens_details.thinking_tokens
validasserted
- Valid from
- 2026-05-27
- Valid until
- still holds
- Published
- 2026-05-27
- Recorded by AsOf
- 2026-10-31
- Checked
- 2026-10-31 · its source page states the value and the date
- Confidence
- 0.70
Sources
“May 27, 2026 The Messages API response now includes usage.output_tokens_details.thinking_tokens , reporting how many of the billed output tokens were extended thinking.”— what the page says, read 2026-10-31
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