Client libraries

1
import anthropic
2
3
client = anthropic.Anthropic(
4
    base_url="http://localhost:8080",
5
    api_key="any",  # required by the client but not validated by default
6
)
7
8
message = client.messages.create(
9
    model="qwen3.5:35b",
10
    max_tokens=1024,
11
    messages=[{"role": "user", "content": "Hello!"}],
12
)
13
print(message.content[0].text)

1
from langchain_anthropic import ChatAnthropic
2
3
llm = ChatAnthropic(
4
    model="qwen3.5:35b",
5
    anthropic_api_url="http://localhost:8080",
6
    anthropic_api_key="any",
7
)
8
9
response = llm.invoke("Hello!")
10
print(response.content)