MomentoCache

const cache = new MomentoCache({
  client: new CacheClient({
    configuration: Configurations.Laptop.v1(),
    credentialProvider: CredentialProvider.fromEnvironmentVariable({
      environmentVariableName: "MOMENTO_API_KEY",
    }),
    defaultTtlSeconds: 60 * 60 * 24, // Cache TTL set to 24 hours.
  }),
  cacheName: "langchain",
});
// Initialize the OpenAI model with Momento cache for caching responses
const model = new ChatOpenAI({
  model: "gpt-4o-mini",
  cache,
});
await model.invoke("How are you today?");
const cachedValues = await cache.lookup("How are you today?", "llmKey");