anthropics/anthropic-sdk-go v1.27.0

on GitHub

1.27.0 (2026-03-16)

Full Changelog: v1.26.0...v1.27.0

Features

• api: change array_format to brackets (ca5ae6e)
• api: chore(config): clean up model enum list (#31) (1db4ea7)
• api: GA thinking-display-setting (1924af2)
• api: remove publishing section from cli target (514282e)
• tests: update mock server (cf24ced)

Bug Fixes

• allow canceling a request while it is waiting to retry (32ee053)
• client: update model reference from claude-3-7-sonnet-latest to claude-sonnet-4-5 (2f42e73)

Chores

• client: reorganize code in Messages files to lead to less conflicts (c677bb5)
• internal: codegen related update (c978aac)
• internal: codegen related update (4ac31a2)
• internal: codegen related update (5b2b2fa)
• internal: codegen related update (9678c6c)
• internal: codegen related update (f6035d2)
• internal: codegen related update (9246bbb)
• internal: move custom custom json tags to api (4392627)
• tests: unskip tests that are now supported in steady (b0ca374)

Documentation

• streamline README, centralize documentation at docs.anthropic.com (33f6943), closes #587