Tag #evaluation
DeepEval
Confident AI
Open-source "Pytest for LLMs" — unit-test your model and RAG output with metrics.
python-v4.2.02026-08-24PythonApache-2.0
18.4k Open source Free tier Paid
Opik
Comet
Comet's open-source platform for tracing, evaluating, and monitoring LLM apps
v2.2.742026-09-22PythonApache-2.0
22.2k Open source Free tier Paid
Ragas
Exploding Gradients
Open-source evaluation framework for RAG pipelines and LLM applications
No updates in 6+ monthsv0.4.32026-01-13PythonApache-2.0
15.8k Completely free Open source