AI21 Labs is a company specializing in Natural Language Processing (NLP), which develops AI systems that can understand and generate natural language.
This page covers how to use the AI21 ecosystem within LangChain.

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Installation and Setup

  • Get an AI21 api key and set it as an environment variable (AI21_API_KEY)
  • Install the Python package:
pip install langchain-ai21

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Chat models

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AI21 Chat

See a usage example. 
from langchain_ai21 import ChatAI21

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Deprecated features

:::caution The following features are deprecated. :::

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AI21 LLM

from langchain_ai21 import AI21LLM

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AI21 Contextual Answer

from langchain_ai21 import AI21ContextualAnswers

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Text splitters

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AI21 Semantic Text Splitter

from langchain_ai21 import AI21SemanticTextSplitter