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ChatYandexGPT

This notebook goes over how to use Langchain with YandexGPT chat model.

To use, you should have the yandexcloud python package installed.

%pip install --upgrade --quiet  yandexcloud

First, you should create service account with the ai.languageModels.user role.

Next, you have two authentication options: - IAM token. You can specify the token in a constructor parameter iam_token or in an environment variable YC_IAM_TOKEN.

  • API key You can specify the key in a constructor parameter api_key or in an environment variable YC_API_KEY.

To specify the model you can use model_uri parameter, see the documentation for more details.

By default, the latest version of yandexgpt-lite is used from the folder specified in the parameter folder_id or YC_FOLDER_ID environment variable.

from langchain_community.chat_models import ChatYandexGPT
from langchain_core.messages import HumanMessage, SystemMessage
chat_model = ChatYandexGPT()
answer = chat_model.invoke(
[
SystemMessage(
content="You are a helpful assistant that translates English to French."
),
HumanMessage(content="I love programming."),
]
)
answer
AIMessage(content='Je adore le programmement.')

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