As per the Massive Text Embedding Benchmark (MTEB) Leaderboard maintained by Huggingface, OpenAI's embedding models are not the best. https://huggingface.co/sp

As per the Massive Text Embedding Benchmark (MTEB) Leaderboard maintained by Huggingface, OpenAI's embedding models are not the best. https://huggingface.co/spaces/mteb/leaderboard https://huggingface.co/spaces/mteb/leaderboard Of course, that's far from saying that they're the worst, or even headed that way. Just not the best (those would be a couple of fully opensource models, including those of the Instructor family, which we use at my workplace).