性能数据：本次未提供基准测试或性能数据，仅提及 CI 中 breaking change 检测速度提升。
▸ Release Notes 英文原文（590 字符）
### Features
* **api:** add between_tools to thinking types in model capabilities
* **api:** add the speed parameter and usage.speed to Messages
* **api:** return a Console organization's usage-tier spend cap as a read-only spend limit
### Chores
* **ci:** speed up breaking change detection
* **docs:** describe headers on Managed Agents and telemetry endpoints
* **internal:** simplify the script that formats code blocks in docs
* **tests:** cover OpenTelemetry options and method default timeouts
### Documentation
* **api:** note that some models need a beta header to use speed
▸ 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.