text: Skip to main contentğŸ¦œï¸�ğŸ”— LangChainDocsUse casesIntegrationsAPILangSmithJS/TS DocsCTRLKIntegrationsCallbacksChat modelsDocument loadersDocument transformersLLMsAI21Aleph AlphaAmazon API GatewayAnyscaleAzure OpenAIAzureML Online EndpointBananaBasetenBeamBedrockCerebriumAIChatGLMClarifaiCohereC TransformersDatabricksDeepInfraForefrontAIGoogle Cloud Platform Vertex AI PaLMGooseAIGPT4AllHugging Face HubHugging Face Local PipelinesHuggingface TextGen InferenceJSONFormerKoboldAI APILlama-cppCaching integrationsManifestModalMosaicMLNLP CloudoctoaiOpenAIOpenLLMOpenLMPetalsPipelineAIPredibasePrediction GuardPromptLayer OpenAIRELLMReplicateRunhouseSageMakerEndpointStochasticAITextGenTongyi QwenWriterMemoryRetrieversText embedding modelsAgent toolkitsToolsVector storesGrouped by providerIntegrationsLLMsAI21AI21AI21 Studio provides API access to Jurassic-2 large language models.This example goes over how to use LangChain to interact with AI21 models.# install the package:pip install ai21# get AI21_API_KEY. Use https://studio.ai21.com/account/accountfrom getpass import getpassAI21_API_KEY = getpass()     Â·Â·Â·Â·Â·Â·Â·Â·from langchain.llms import AI21from langchain import PromptTemplate, LLMChaintemplate = """Question: {question}Answer: Let's think step by step."""prompt = PromptTemplate(template=template, input_variables=["question"])llm = AI21(ai21_api_key=AI21_API_KEY)llm_chain = LLMChain(prompt=prompt, llm=llm)question = "What NFL