Breaking change：无。本次为 minor 版本（1.10.0 → 1.11.0），未包含接口层面的不兼容改动。
性能数据/基准测试：Release Notes 中未提及任何性能指标或基准测试结果。
完整变更对比：可从 v1.10.0...v1.11.0 的 Full Changelog 查看全部 diff。
▸ Release Notes 英文原文（467 字符）
## 1.11.0 (2026-09-30)
Full Changelog: [v1.10.0...v1.11.0](https://github.com/anthropics/anthropic-sdk-python/compare/v1.10.0...v1.11.0)
### Features
* **api:** add list spend limits endpoint ([e8f0cac](https://github.com/anthropics/anthropic-sdk-python/commit/e8f0cac35af67a083ba05a308d27328925e03568))
### Chores
* **client:** deprecate sonnet 4.5 ([22b36b1](https://github.com/anthropics/anthropic-sdk-python/commit/22b36b1a1b65cb87f2a6f3b40f61147c9e1c3e93))
▸ 主项目介绍 · anthropics/anthropic-sdk-python
▸ README 原文（同步于 2026-07-19 13:24）
# Claude SDK for Python
[](https://pypi.org/project/anthropic/)
The Claude SDK for Python provides access to the [Claude API](https://docs.anthropic.com/en/api/) from Python applications.
## Documentation
Full documentation is available at **[platform.claude.com/docs/en/api/sdks/python](https://platform.claude.com/docs/en/api/sdks/python)**.
## Installation
```sh
pip install anthropic
```
## Getting started
```python
import os
from anthropic import Anthropic
client = Anthropic(
api_key=os.environ.get("ANTHROPIC_API_KEY"), # This is the default and can be omitted
)
message = client.messages.create(
max_tokens=1024,
messages=[
{
"role": "user",
"content": "Hello, Claude",
}
],
model="claude-opus-4-6",
)
print(message.content)
```
## Requirements
Python 3.9+
## Contributing
See [CONTRIBUTING.md](./CONTRIBUTING.md).
## License
This project is licensed under the MIT License. See the [LICENSE](LICENSE) file for details.