An integration package connecting AnthropicMessages and LangChain

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Project description

langchain-anthropic

This package contains the LangChain integration for Anthropic's generative models.

Installation

pip install -U langchain-anthropic

Chat Models

Anthropic recommends using their chat models over text completions.

You can see their recommended models here.

To use, you should have an Anthropic API key configured. Initialize the model as:

from langchain_anthropic import ChatAnthropic
from langchain_core.messages import AIMessage, HumanMessage

model = ChatAnthropic(model="claude-3-opus-20240229", temperature=0, max_tokens=1024)

Define the input message

message = HumanMessage(content="What is the capital of France?")

Generate a response using the model

response = model.invoke([message])

For a more detailed walkthrough see here.

LLMs (Legacy)

You can use the Claude 2 models for text completions.

from langchain_anthropic import AnthropicLLM

model = AnthropicLLM(model="claude-2.1", temperature=0, max_tokens=1024)
response = model.invoke("The best restaurant in San Francisco is: ")

Project details

These details have not been verified by PyPI

Release history Release notifications | RSS feed

0.3.0

Nov 12, 2024

0.2.4

Oct 31, 2024

0.2.3

Oct 4, 2024

0.2.2 yanked

Oct 4, 2024

Reason this release was yanked:

Cached input token counting incorrect, fixed in 0.2.3

0.2.1

Sep 17, 2024

0.2.0

Sep 13, 2024

This version

0.2.0.dev1 pre-release

Sep 5, 2024

0.2.0.dev0 pre-release

Sep 5, 2024

0.1.23

Aug 14, 2024

0.1.22

Jul 31, 2024

0.1.21

Jul 26, 2024

0.1.20

Jul 12, 2024

0.1.19

Jul 2, 2024

0.1.18

Jul 2, 2024

0.1.17

Jun 29, 2024

0.1.16

Jun 26, 2024

0.1.15

May 31, 2024

0.1.14rc2 pre-release

May 24, 2024

0.1.14rc1 pre-release

May 23, 2024

0.1.13

May 16, 2024

0.1.12

May 15, 2024

0.1.11

Apr 17, 2024

0.1.10

Apr 17, 2024

0.1.9

Apr 16, 2024

0.1.8

Apr 11, 2024

0.1.8rc1 pre-release

Apr 10, 2024

0.1.7

Apr 9, 2024

0.1.6

Apr 4, 2024

0.1.5

Apr 4, 2024

0.1.4

Mar 8, 2024

0.1.3

Mar 5, 2024

0.1.2

Mar 5, 2024

0.1.1

Mar 4, 2024

0.1.0

Feb 26, 2024

0.0.2

Feb 14, 2024

0.0.1.post1

Jan 12, 2024

0.0.1

Dec 20, 2023

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