anthropics/anthropic-sdk-php v0.28.0

v0.28.0

Repository: anthropics/anthropic-sdk-php

Tag: v0.28.0

Published: 2026-06-09T16:47:11Z

Prerelease: no

Release notes:

0.28.0 (2026-06-09)

Full Changelog: v0.27.0...v0.28.0

Features

• api: add support for claude-mythos-5 and claude-fable-5, with support for server-side fallbacks on refusal (e10ba6f)