OpenAI Evals
OpenAI's original open-source eval framework and registry; largely superseded by the hosted Evals API but still a reference implementation.
| Category | Evals & Testing |
| Open source | Yes |
| Self-hostable | Yes |
| Pricing model | free |
| Pricing notes | MIT OSS framework; OpenAI platform also has a hosted Evals product billed via API usage |
| Framework integrations | openai-sdk |
| Funding / ownership | OpenAI |
Pricing/feature source: https://github.com/openai/evals