tagging

Create tagging chain from schema.

Create a chain that extracts information from a passage based on a schema.

This function is deprecated. Please use with_structured_output instead. See example usage below:

from typing_extensions import Annotated, TypedDict
from langchain_anthropic import ChatAnthropic

class Joke(TypedDict):
    """Tagged joke."""

    setup: Annotated[str, ..., "The setup of the joke"]
    punchline: Annotated[str, ..., "The punchline of the joke"]

# Or any other chat model that supports tools.
# Please reference to the documentation of structured_output
# to see an up to date list of which models support
# with_structured_output.
model = ChatAnthropic(model="claude-3-haiku-20240307", temperature=0)
structured_model = model.with_structured_output(Joke)
structured_model.invoke(
    "Why did the cat cross the road? To get to the other "
    "side... and then lay down in the middle of it!"
)

Create tagging chain from Pydantic schema.

Create a chain that extracts information from a passage based on a Pydantic schema.

This function is deprecated. Please use with_structured_output instead. See example usage below:

from pydantic import BaseModel, Field
from langchain_anthropic import ChatAnthropic

class Joke(BaseModel):
    setup: str = Field(description="The setup of the joke")
    punchline: str = Field(description="The punchline to the joke")

# Or any other chat model that supports tools.
# Please reference to the documentation of structured_output
# to see an up to date list of which models support
# with_structured_output.
model = ChatAnthropic(model="claude-opus-4-1-20250805", temperature=0)
structured_model = model.with_structured_output(Joke)
structured_model.invoke(
    "Why did the cat cross the road? To get to the other "
    "side... and then lay down in the middle of it!"
)