v0.3.0

What's New

• Output similarity scoring (cosine, Jaccard, Levenshtein)
• Snapshot serialization to Parquet-like columnar format
• 56+ new tests

v0.2.0

What's Changed in v0.2.0

• add regression test suite generation
• add HTML diff report export
• add pytest plugin for model regression testing

Full Changelog: v0.1.0...v0.2.0

modeldiff v0.1.0

What's New

First stable release of modeldiff — Behavioral regression testing for LLMs

Highlights

• Full Python API + CLI
• 134 passing tests
• Python 3.9–3.13 support
• Zero or minimal dependencies
• Apache 2.0 license

Install

pip install modeldiff