kitio.aiAdded Oct 28, 2026
BenchLLM
FreeOpen-source Python library for testing and evaluating LLM apps
What is BenchLLM?
BenchLLM is an open-source library from V7 for building test suites around LLM-powered code and generating quality reports. Developers define inputs and expected outputs, run their agent or chain, and score the predictions automatically.
Tests are written in Python and run through a Tester object, then scored by an Evaluator. Strategies include automated semantic evaluation with a model, interactive human review and custom evaluators you write yourself.
It works with frameworks such as LangChain, so existing agents can be tested without restructuring the code. The project is free and published on GitHub.
Features
- Test suites for LLM apps
- Semantic evaluator
- Interactive evaluation
- Custom evaluators
- Quality reports
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Releases
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Organization
V7
🇬🇧 United Kingdom
Listed by kitio.ai · unverified owner
Pricing
- Pricing model
- Free
- Paid options from
- 100% free
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Pros and cons
Pros
- Free and open source
- Fits into existing Python code
- Several evaluation strategies
Cons
- Code-only, no hosted dashboard
- Semantic checks rely on an LLM
- Small project with limited docs
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Q&A
What is BenchLLM?
BenchLLM is an open-source library from V7 for building test suites around LLM-powered code and generating quality reports. Developers define inputs and expected outputs, run their agent or chain, and score the predictions automatically.
How much does BenchLLM cost?
BenchLLM is 100% free.
Is there a free version of BenchLLM?
Yes. BenchLLM is completely free to use.
What are the main features of BenchLLM?
Test suites for LLM apps, Semantic evaluator, Interactive evaluation, Custom evaluators, Quality reports.
Who makes BenchLLM?
BenchLLM is made by V7.
What are the best alternatives to BenchLLM?
Popular alternatives include Deepchecks, Confident AI, Giskard.