anthropics/anthropic-sdk-go v1.49.0

v1.49.0

Repository: anthropics/anthropic-sdk-go

Tag: v1.49.0

Published: 2026-06-09T16:35:48Z

Prerelease: no

Release notes:

1.49.0 (2026-06-09)

Full Changelog: v1.48.0...v1.49.0

Features

• api: add support for claude-mythos-5 and claude-fable-5, with support for server-side fallbacks on refusal (782f223)
• client: adds client-side fallbacks middleware for API providers that do not support server-side fallbacks (782f223)

Bug Fixes

• 3p middleware ordering (#38) (8f47086)