Promptfoo
Config-file-driven open-source CLI for prompt evals, regression testing and LLM red-teaming that runs in CI.
| Category | Evals & Testing |
| Open source | Yes |
| Self-hostable | Yes |
| Pricing model | freemium |
| Pricing notes | CLI/library free (MIT); paid enterprise for red-teaming at scale |
| Framework integrations | openai-sdk, anthropic, langchain, ollama, vercel-ai |
| Funding / ownership | $5M seed (a16z, 2024) |
Pricing/feature source: https://www.promptfoo.dev/pricing/