Open-source LLM observability platform. OpenTelemetry-based tracing, evaluation, and monitoring. Free self-hosted, $50/mo managed cloud.
Metrics
Adoption
GitHub Stars12K
GitHub repository popularity
Weekly Downloads180K
Package manager install frequency
Radar Statustrial
ThoughtWorks Technology Radar assessment
Info
Framework Typeobservability
Primary framework purpose
Other
Pricing FreeYes
Pricing Paid Start50
Score Breakdown
adoption
30%82
Community size, growth velocity, and industry usage
ecosystem
25%84
Integrations, plugins, and extension availability
performance
30%86
Execution speed, latency, and resource efficiency