Cosine Similarity

1 long-form post on Cosine Similarity: machine-learning research by Taha Bouhsine, each built around live, in-browser interactive visualizations.

1 post tagged #cosine-similarity.

Feb 22, 2026

Opposite Is Not Different: The Cosine-Similarity Bug in CLIP and Contrastive Learning

Maximum difference between two unit vectors is orthogonality (cos = 0), not opposition (cos = −1). CLIP, InfoNCE, and SimCLR have been optimizing for the wrong target for years.