@kleinml/kleintts Copyright 2026 Klein ML This package includes the US English pronunciation dictionaries from misaki (https://github.com/hexgrad/misaki), Apache-2.0, in data/en_us_lexicon.json.gz, and a JavaScript port of parts of misaki's English lookup rules in src/g2p.js. Phonemes for French, Italian, Spanish and unknown English words come from eSpeak NG, used through the separate `espeak-ng` npm package (GPL-3.0-or-later). eSpeak NG is not included in this package; it is installed as a dependency under its own license. The model weights in models/ are the Klein-TTS X1.5 Flash and Flash Lite checkpoints, exported to ONNX.