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v2.21.0

pydantic/pydantic-aiv2.21.0Jul 30, 2026by dsfaccini

AI Summary

This release adds a new token limit configuration for usage tracking and refreshes the list of known model names to ensure compatibility with Gateway probes and Google image IDs.

Key Highlights

  • Added `per_request_input_tokens_limit` to `UsageLimits`
  • Refreshed `KnownModelName` from Gateway probes and stable Google image IDs

New Features

  • Added `per_request_input_tokens_limit` to `UsageLimits`

Full Release Notes

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

## What's Changed
### 🚀 Features
* feat(usage): add `per_request_input_tokens_limit` to `UsageLimits` by @Oxygen56 in https://github.com/pydantic/pydantic-ai/pull/5907
### 🐛 Bug Fixes
* Refresh `KnownModelName` from Gateway probes and stable Google image IDs by @adtyavrdhn in https://github.com/pydantic/pydantic-ai/pull/6806


**Full Changelog**: https://github.com/pydantic/pydantic-ai/compare/v2.20.0...v2.21.0