Features
Hierarchical traces with sessions and agent graphs
Prompt versioning and deployment via labels
Playground for testing prompts on production inputs
LLM-as-a-judge and heuristic evaluators
Human annotation queues with keyboard shortcuts
Experiments with datasets and side-by-side comparisons
Cost, latency, and quality dashboards with monitors
Monitors that alert via Slack, webhooks, GitHub Actions
Ask AI filter search bar (AWS Bedrock, zero data retention)
Multi-modal datasets (images, audio, video, documents)
Web callouts to trigger external workflows
MCP server for AI agent integration
Scores API v3 with cursor-based pagination
SCIM API and SSO enforcement (Enterprise)
Self-hosting via Docker, Kubernetes, Terraform
Hierarchical LLM traces with cost/latency filtering
LLM-as-a-judge evaluation and heuristic functions
One-click prompt deployment and rollback
Playground for side-by-side model/input testing
Experiments with test case comparison
Human annotation and golden dataset creation
Cost and latency dashboards with alerts
Monitors and alerts (Slack, webhooks, GitHub Actions)
Full-text search (Cloud rollout)
Code evaluators (Python/TypeScript)
Langfuse Assistant (natural-language queries)
OpenTelemetry-native instrumentation
Python and TypeScript native SDKs
REST APIs and S3 blob storage export
