pydantic-ai 1.104.0

v1.104.0 (2026-05-28)

on Python PyPI

What's Changed

🚀 Features

• Add Claude Opus 4.8 support by @dsfaccini in #5709

🐛 Bug Fixes

• Forward thinking=False on hybrid OpenRouter/xAI/Bedrock routes, aligning silent-drop with direct routes by @sarth6 in #5433
• Fix Bedrock single-tool tool_choice cache preservation by @dsfaccini in #5674

Full Changelog: v1.103.0...v1.104.0