Compare software

DeepEval vs lm-evaluation-harness: catalog facts
DeepEval	lm-evaluation-harness
Free The framework is free and open source.	Free Free and open source.
Command line	Windows, macOS, Linux, Command line
Treats LLM output checks like unit tests Very active development with a large user base	Hundreds of benchmark tasks in one tool New tasks defined through YAML templates
Aimed at developers comfortable with Python code Evaluations that rely on a judge model may need API access to one	Command-line and Python only, no graphical interface Running large benchmarks needs substantial compute
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

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