// event · sdk
Anthropic Python SDK 2.0.0 released on PyPI
sdkvendor: Anthropicpublished: 2h agoconfidence: 0.85id: 72291280-d3c6-40c1-bb95-88f3ffe16a7a
Anthropic shipped version 2.0.0 of its official Python SDK on PyPI, a major version bump of the primary client library used to call Claude models. Major versions typically include breaking API surface changes; agent frameworks pinning the `anthropic` package should review and update accordingly.
capability delta
an agent can now depend on the Anthropic Python SDK 2.0.0 major release for calling Claude APIs with the latest client surface.
curator note
Major version bump (2.0.0) of the official Anthropic Python SDK — likely contains breaking changes worth flagging to agent builders. Changelog not inspected here.
// install
pip install anthropic==2.0.0pypi · anthropic @ 2.0.0
// example
python
from anthropic import Anthropic
client = Anthropic()
message = client.messages.create(
model="claude-sonnet-4-5",
max_tokens=512,
messages=[{"role": "user", "content": "Hello, Claude"}],
)
print(message.content)// links