SemanticGuessr: a Wordle-style game teaching vector embeddings on a 43K-word map

Neon0asis · reddit · 2026-10-15

Isaacus ML engineer Abdur-Rahman Butler built an interactive write-up on vector embeddings, covering vectorization, cosine similarity, semantic search, hierarchical retrieval, clustering, zero-shot classification and deduplication, with Python snippets.

The centerpiece, SemanticGuessr (Wordle × GeoGuessr), has players triangulate a random target word on a 2D map of 43,339 common English words via vector math like london - english + french and 0.4 noodles + 0.6 pasta. He cut embeddings to 512 dims with 4-bit quantization, shrinking the payload from 311 MB to 12.3 MB with only 6% precision loss — all running statically in the browser.

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