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Together AI hosts a large catalog of open-source models. Its API follows OpenAI’s format, so you wrap it with the OpenAI client and the SDK meters it with the OpenAI recipe.

Set up

Point the OpenAI client’s baseURL at Together AI and wrap it:

What is reported

Together AI returns a usage object in OpenAI’s format with the number of tokens each call consumed. Calls are reported under the openai.chat.completions.create event name, with the same metrics as OpenAI. Every usage field the provider returns is also included, with a raw. prefix. See How usage is reported. For details on Together AI’s API, see Together AI’s OpenAI compatibility docs.