Anthropic SDK with BigModel.io: models and setup

Official Anthropic SDKs for Python and TypeScript, for models that list the Messages API.

Create an API keySetup guide

Who it is for

Developers calling models from their own code with an official SDK or an LLM framework.

Website: github.com

Set up Anthropic SDK in three steps

  1. Create an API key in the BigModel.io console. Give it a spend limit if the app runs unattended.
  2. Set the Anthropic base URL to https://bigmodel.io (without /v1) and use the key as the auth token.
  3. Choose a model that lists the Anthropic Messages API in the model directory and set its ID.
Anthropic base URL
https://bigmodel.io
API key
sk-...

The full guide covers model choice, limits and common errors. Anthropic SDK guide →

Models to try

Related apps

OpenAI SDKOfficial OpenAI SDKs for Python and Node.js. Set base_url and use your BigModel.io key.LangChainFramework for LLM apps and agents. Use ChatOpenAI with a custom base URL, or ChatAnthropic.LlamaIndexFramework for RAG and agents over your data. Use OpenAILike in Python or the OpenAI class in TypeScript.