Python-Levenshtein

Fast C extension providing Levenshtein distance and related string similarity metrics; now maintained by the RapidFuzz project.

string-matching-frameworksRecently releasednpm: fastest-levenshtein
58
Hero Score
Popularity
62
Performance
60
Ecosystem
50
Maturity
70
Dev Experience
50
⭐ 397 stars⬇ 2.3M downloads/wkFirst release: Jan 2003Last release: Sep 2026
Async Support: NoPlugin Extensions: LowSpeed: Very fastDoc Quality: MediumLearning Curve: Medium

Pros

  • • Very fast C-based implementations of string metrics
  • • Supports multiple algorithms (Levenshtein, Jaro, Jaro-Winkler)
  • • Actively maintained by RapidFuzz team

Cons

  • • GPL licensed (restricts commercial use)
  • • Lower-level API compared to RapidFuzz
  • • RapidFuzz preferred for new projects per official docs

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