Agenta-AI/agenta

Supports 50+ LLM models with bring-your-own model capabilities, and includes OpenTelemetry-native tracing for production observability compatible with OpenLLMetry and OpenInference standards. Features version-controlled prompt management with branching and environments, alongside flexible evaluation via 20+ pre-built evaluators, LLM-as-judge, and custom evaluators accessible through both UI and programmatic APIs. Self-hostable via Docker Compose with multi-environment support and integrations for major LLM providers and frameworks.

3,923 stars. Actively maintained with 731 commits in the last 30 days.