I'm trying to use Vercel AI Gateway's Recraft v3 model which as the page says has "20+ specialized presets" and vector output, and lists the price variant "Vector illustration - $0.08/img", however I can't find any mention of how to access those options.

I tried prompting for the vector output like this and it charged me the $0.08 vector output price but had the output type "image/png".

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  generateImage({
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    model: "recraft/recraft-v3",
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    prompt: "minimal geometric fox head mark, flat vector, two colors",
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    providerOptions: { recraft: { style: "vector_illustration" } },
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  });

Is there a way to use the vector output and style presets through AI Gateway?