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REPOSITORY COMPARISON
Compare the foundations.
A factual comparison of purpose, language, licence record and adoption risk. Confirm current repository details before implementation.
| Compare | PromptfooGitHub ↗ | InvariantGitHub ↗ |
|---|---|---|
| Best for | Regression testing, model comparison and AI security testing in CI. | Testing and controlling risky tool-using agents. |
| What it provides | Test prompts, agents and RAG systems, including red-team and vulnerability checks. | Guardrails and security tooling for robust agent development. |
| Category | Evaluation & security | Evaluation & security |
| Primary language | TypeScript | Python |
| Licence record | MIT | Apache-2.0 |
| Practical caution | Test suites only protect scenarios you actually define and maintain. | Guardrails supplement least privilege and human approval; they do not replace them. |