§ anthropic-sdk · storyline

Adds thinking-token-count beta for streaming token estimates

Anthropic releases Python SDK v0.104.0, adding support for thinking-token-count beta to report estimated tokens in thinking block deltas during streaming.

May 21 · 22:01:49 · primary fetch1 sourceupdated May 21 · 22:01:49

0.104.0 (2026-05-21) Full Changelog: v0.103.1...v0.104.0 Features api: Add support for thinking-token-count beta for estimated tokens in thinking block deltas when streaming (80d0fdf)

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§ sources1 publication · timeline below

github.comAnthropic SDK (Python) v0.104.0primary22:01:49