Developer Tools Lab

Interactive mini-apps for prompt design, RAG chunking, data analysis, schema exploration, and NLP.

BPE Tokenizer Visualizer

Inspect how Byte-Pair Encoding (BPE) and WordPiece models partition text strings into distinct vector vocab tokens.

Token Count

24 tokens

Chars / Token Ratio

2.58 comp.

Larger ratios denote higher text compression per token. Spaces are mapped to dedicated tokens.

Subword Token Boundary Highlights

Deep learning neural networks process natural language tokens.
Token ID Integer Sequence
[3939, 221, 4678, 221, 8552, 221, 2841, 1115, 221, 1112, 1114, 1111, 1099, 1101, 1115, 1115, 221, 4902, 221, 3521, 221, 8201, 1115, 1046]