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v1.70.0

pydantic/pydantic-aiv1.70.0Mar 18, 2026by DouweM

AI Summary

Adds support for Bedrock inference profiles and fixes several bugs across Anthropic, OpenRouter, Cohere, and Google providers.

Key Highlights

  • Added `bedrock_inference_profile` to BedrockModelSettings and BedrockEmbeddingSettings
  • Fixed OpenRouter Anthropic model profile matching for dotted model numbers
  • Fixed Cohere `embed()` TypeError by always passing `embedding_types`
  • Fixed Bedrock tool names before sending to API

New Features

  • Bedrock inference profile support

Full Release Notes

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

## What's Changed
### 🚀 Features
* Add `bedrock_inference_profile` to BedrockModelSettings and BedrockEmbeddingSettings by @dsfaccini in https://github.com/pydantic/pydantic-ai/pull/4697
### 🐛 Bug Fixes
* fix: OpenRouter Anthropic model profile matching for dotted model numbers by @majdalsado in https://github.com/pydantic/pydantic-ai/pull/4690
* fix: always pass `embedding_types` to Cohere `embed()` to prevent SDK `TypeError` by @adityasingh2400 in https://github.com/pydantic/pydantic-ai/pull/4524
* fix(google): add '512' as supported image generation size by @nat-bishop in https://github.com/pydantic/pydantic-ai/pull/4649
* fix(bedrock): sanitize tool names before sending to API by @DouweM in https://github.com/pydantic/pydantic-ai/pull/4713
* fix: handle malformed tool call args in Anthropic retry path by @Saad-Azi in https://github.com/pydantic/pydantic-ai/pull/4431
* fix: recover prior text for thinking-only responses instead of retrying by @majiayu000 in https://github.com/pydantic/pydantic-ai/pull/4558

## New Contributors
* @adityasingh2400 made their first contribution in https://github.com/pydantic/pydantic-ai/pull/4524
* @nat-bishop made their first contribution in https://github.com/pydantic/pydantic-ai/pull/4649
* @Saad-Azi made their first contribution in https://github.com/pydantic/pydantic-ai/pull/4431

**Full Changelog**: https://github.com/pydantic/pydantic-ai/compare/v1.69.0...v1.70.0