[mrintellectual]

I haven't tried SimCLR, but I did try face embedding models trained with contrastive and triplet loss. For applications where precision is the key metric, I do agree that these loss functions are much better overall.

If discovery or recall is what you're after, a generic image classification model trained with binary cross-entropy might be better. For example, performing reverse image search on a photo of a German Shepherd should always return images of GSheps in the first N pages, but showing other dog breeds in later pages and possibly even cats after that would be a desirable feature for many search/retrieval solutions. An embedding model trained with contrastive loss might have this behavior to a certain extent, but a model based on BCE should be better.