v1.85.0

pydantic/pydantic-aiv1.85.0Apr 21, 2026by DouweM

AI Summary

This version introduces online evaluation capabilities using OpenTelemetry events to enhance observability and monitoring of AI agents. It provides tools for tracking performance and behavior in real-time.

Key Highlights

Online evaluation via OpenTelemetry events

New Features

Online evaluation via OpenTelemetry events

Full Release Notes

<!-- Release notes generated using configuration in .github/release.yml at main -->

## What's Changed
### 🚀 Features
* Online evaluation via OpenTelemetry events by @dmontagu in https://github.com/pydantic/pydantic-ai/pull/5125


**Full Changelog**: https://github.com/pydantic/pydantic-ai/compare/v1.84.1...v1.85.0