Description

We show the user the amount of used token,
in v4

const chat = useChat({
  onFinish(message, options) {
    usage = options.usage
  }
})

the new Chat class got changed still onFinish but only provide message and
no options any more,
in the message we see no usage information.
Finde in the v5 doc no hint how to get the data in v5.

AI SDK Version

V4:

• ai: 4.3.16
• @ai-sdk/vue: 1.2.12

V5:

• ai: 5.0.0-beta.7
• @ai-sdk/vue: 2.0.0-beta.8