I don’t think that’s it. I sincerely doubt most developers are doing side by side comparisons of calibration quality.

OpenAI has a section on their embeddings model api page for zero shot classification. Of course you can choose an open weights embedding too if you’d like.

https://developers.openai.com/cookbook/examples/zero-shot_cl...

I think Jev wins on marketing and convenience. Most SWEs don’t want to talk about embeddings, cosine similarity, or precision/recall tradeoffs. They want something which plausibly works and is easy to use.

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