§ anthropic-sdk · storyline

Adds thinking-token-count beta for streaming token estimates

Anthropic TypeScript SDK releases v0.98.0, adding support for thinking-token-count beta to expose estimated token counts in thinking block deltas during streaming.

May 21 · 22:01:16 · primary fetch1 sourceupdated May 21 · 22:01:16

0.98.0 (2026-05-21) Full Changelog: sdk-v0.97.1...sdk-v0.98.0 Features api: Add support for thinking-token-count beta for estimated tokens in thinking block deltas when streaming (0528d47)

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§ sources1 publication · timeline below

github.comAnthropic SDK (TS): sdk: v0.98.0primary22:01:16