Tracely LikeOpen-source LLM observability and evaluation: grade every AI agent trace, cluster the failures, and replay them as regression tests that block the pull request.Cost / LicenseFreemiumOpen Source (MIT)OriginUnited StatesPlatformsOnlineSoftware as a Service (SaaS)Self-HostedDocker+4Best alternatives are LangfuseandHelicone3 alternatives