wav2letter++ vs Botium Speech Processing: What are the differences?

Developers describe wav2letter++ as "Facebook AI Research Automatic Speech Recognition Toolkit". wav2letter++ is a fast open source speech processing toolkit from the Speech Team at Facebook AI Research. It is written entirely in C++ and uses the ArrayFire tensor library and the flashlight machine learning library for maximum efficiency. Our approach is detailed in this arXiv paper. On the other hand, Botium Speech Processing is detailed as "Text-to-speech and speech-to-text open-source software stack". It is a unified, developer-friendly API to the best available Speech-To-Text and Text-To-Speech services.

wav2letter++ and Botium Speech Processing are primarily classified as "Speech Recognition" and "Text-To-Speech as a Service" tools respectively.

Botium Speech Processing is an open source tool with 822 GitHub stars and 31 GitHub forks. Here's a link to Botium Speech Processing's open source repository on GitHub.