anthropics/anthropic-sdk-go v1.61.0
on GitHub

3 hours ago

1.61.0 (2026-07-24)

Full Changelog: v1.60.0...v1.61.0

Features

api: add claude-opus-5 model (bb7dc83)
api: add tool addition/removal blocks and tool_change events (bb7dc83)
api: expand client-side fallback credit token types and add server-side fallbacks default option (bb7dc83)

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