Class ChatAnthropicMessages<CallOptions>

Wrapper around Anthropic large language models.

To use this package, you should have an Anthropic API key set as an environment variable named ANTHROPIC_API_KEY or passed into the constructor.

Remarks

Any parameters that are valid to be passed to anthropic.messages can be passed through invocationKwargs, even if not explicitly available on this class.

Example

import { ChatAnthropic } from "@langchain/anthropic";

const model = new ChatAnthropic({
  temperature: 0.9,
  apiKey: 'YOUR-API-KEY',
});
const res = await model.invoke({ input: 'Hello!' });
console.log(res);
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