Anthropic

Full Changelog: [v0.21.0...v0.21.1](https://github.com/anthropics/anthropic-sdk-python/compare/v0.21.0...v0.21.1)

Chores

* **internal:** loosen input type for util function ([402](https://github.com/anthropics/anthropic-sdk-python/issues/402)) ([9a6ca55](https://github.com/anthropics/anthropic-sdk-python/commit/9a6ca5528ee5b96577df4d657937c35cdc263f85))

Full Changelog: [v0.20.0...v0.21.0](https://github.com/anthropics/anthropic-sdk-python/compare/v0.20.0...v0.21.0)

Features

* **vertex:** api is no longer in private beta ([399](https://github.com/anthropics/anthropic-sdk-python/issues/399)) ([4cb0e64](https://github.com/anthropics/anthropic-sdk-python/commit/4cb0e6453ed185646b652b7942ed75f8e49be8e3))


Performance Improvements

* cache TypeAdapters ([396](https://github.com/anthropics/anthropic-sdk-python/issues/396)) ([a902c47](https://github.com/anthropics/anthropic-sdk-python/commit/a902c472b986d7c7bfda52fc20d737f0bcf80b6a))


Chores

* **internal:** update generated pragma comment ([398](https://github.com/anthropics/anthropic-sdk-python/issues/398)) ([330b61e](https://github.com/anthropics/anthropic-sdk-python/commit/330b61eccfd8af3ee587a91dd2491d66abfe159a))


Documentation

* fix typo in CONTRIBUTING.md ([397](https://github.com/anthropics/anthropic-sdk-python/issues/397)) ([d46629f](https://github.com/anthropics/anthropic-sdk-python/commit/d46629f385b65a0c099ca7a94ebaae9bcb0ecb2c))
* **helpers:** fix example code ([391](https://github.com/anthropics/anthropic-sdk-python/issues/391)) ([9fe0c8b](https://github.com/anthropics/anthropic-sdk-python/commit/9fe0c8b9b257d18e7f5fb7ac03de2073552c083d))

Full Changelog: [v0.19.2...v0.20.0](https://github.com/anthropics/anthropic-sdk-python/compare/v0.19.2...v0.20.0)

Features

* **api:** add haiku model ([390](https://github.com/anthropics/anthropic-sdk-python/issues/390)) ([43b57fc](https://github.com/anthropics/anthropic-sdk-python/commit/43b57fca5426774929bfcac81bf00659740db796))


Documentation

* **readme:** mention vertex API ([388](https://github.com/anthropics/anthropic-sdk-python/issues/388)) ([8bb6b98](https://github.com/anthropics/anthropic-sdk-python/commit/8bb6b9841db322db8c5e8357c2c379482be15441))

Full Changelog: [v0.19.1...v0.19.2](https://github.com/anthropics/anthropic-sdk-python/compare/v0.19.1...v0.19.2)

Bug Fixes

* **vertex:** use correct auth scopes ([385](https://github.com/anthropics/anthropic-sdk-python/issues/385)) ([e4de056](https://github.com/anthropics/anthropic-sdk-python/commit/e4de056ddc24e2d3d8f742124b0a965ff3404341))


Chores

* export NOT_GIVEN sentinel value ([379](https://github.com/anthropics/anthropic-sdk-python/issues/379)) ([ba127bc](https://github.com/anthropics/anthropic-sdk-python/commit/ba127bc44b70490a7c9e8ff76b7a742631e94c5c))
* **internal:** improve deserialisation of discriminated unions ([386](https://github.com/anthropics/anthropic-sdk-python/issues/386)) ([fbc7e0b](https://github.com/anthropics/anthropic-sdk-python/commit/fbc7e0b2cf5e8f5bcd316393a7483509ed9f790e))
* **internal:** support parsing Annotated types ([377](https://github.com/anthropics/anthropic-sdk-python/issues/377)) ([f44efd5](https://github.com/anthropics/anthropic-sdk-python/commit/f44efd5a587fca5021bfc2c068a715a7a550a5d0))

Full Changelog: [v0.19.0...v0.19.1](https://github.com/anthropics/anthropic-sdk-python/compare/v0.19.0...v0.19.1)

Chores

* **internal:** add core support for deserializing into number response ([373](https://github.com/anthropics/anthropic-sdk-python/issues/373)) ([b62c422](https://github.com/anthropics/anthropic-sdk-python/commit/b62c4224fafe0544877ebb57278526a5ddd1955d))

Full Changelog: [v0.18.1...v0.19.0](https://github.com/anthropics/anthropic-sdk-python/compare/v0.18.1...v0.19.0)

Features

* **api:** add enum to model param for message ([371](https://github.com/anthropics/anthropic-sdk-python/issues/371)) ([f96765f](https://github.com/anthropics/anthropic-sdk-python/commit/f96765f188676bb688f599a3574c16dbfb27430c))


Chores

* **client:** improve error message for invalid http_client argument ([367](https://github.com/anthropics/anthropic-sdk-python/issues/367)) ([2f4df72](https://github.com/anthropics/anthropic-sdk-python/commit/2f4df724410bc6213bf559739724bec0242becd7))


Documentation

* **readme:** fix async streaming snippet ([366](https://github.com/anthropics/anthropic-sdk-python/issues/366)) ([37c469d](https://github.com/anthropics/anthropic-sdk-python/commit/37c469deecad9f6244d42dce7d3cedc289ca129b))