v2.47.0 v2.48.0
pydantic/pydantic-aiSep 22, 2026 → Sep 23, 20261 day between releases
What's New
Adds Claude Opus 5.5 and new OpenAI models, fixes message ID preservation
New Features
- Adds support for Claude Opus 5.5 and new OpenAI models (gpt-6-sol, gpt-6-luna)
Improvements
- Bumps genai-prices library to version 0.1.8
Bug Fixes
- Fixes message ID preservation in Vercel AI and AG-UI adapters
Upgrade Notes
No configuration changes required. If using Vercel AI or AG-UI adapters, ensure message IDs are preserved correctly. The genai-prices update may affect pricing calculations.
The Two Releases
v2.47.0 (2026-09-21)
Sep 22, 2026· 30 days ago
This release focuses on enhancing `TypeSafeModel` capabilities by expanding the field types it can answer, improving type safety for `UserPromptPart`, and fixing crashes related to tuple fields and rubric scoring.
Full release notesv2.48.0 (2026-09-22)
Sep 23, 2026· 29 days ago
This release introduces support for Claude Opus 5.5 and new OpenAI models, alongside an update to the genai-prices library. It also includes bug fixes to preserve message IDs across Vercel AI and AG-UI adapters.
Full release notes