analyticsinmotion/werx

Powered by a Rust core, WERx delivers exceptional performance—processing ~907,000 utterances per second on LibriSpeech benchmarks with minimal memory overhead. Beyond standard WER metrics, it provides detailed word-level error breakdowns (insertions, deletions, substitutions) with customizable error weights, and integrates seamlessly with Pandas and Polars for downstream analysis. Designed for production use with minimal dependencies, it handles edge cases gracefully while supporting both single-sentence and corpus-level evaluations.

Used by 1 other package. Available on PyPI.