Agent plan $9.99/month with 5,000 notifications/month after 3-day free trial. Agent Pro $19.99/month with unlimited notifications. Team plan $59/month for 5 people. Partner Launch $99/month, Partner Growth $299/month, Partner Scale $799/month. Enterprise custom. All paid plans include 3-day free tri
Key features
Hierarchical traces capture every LLM call, tool invocation, and retrieval step
LLM-as-a-judge, heuristic functions, or human review evaluations
Prompt management with one-click deployments and rollbacks
Playground to test prompts on real production inputs and compare models
Experiments with test cases and side-by-side comparison
Human annotation and collaborative human-in-the-loop workflows
Cost and latency monitoring with dashboards and alerts
REST APIs and Query SDK for data access
Langfuse Assistant to automate the AI engineering loop
Push notifications to phone for agent approvals
Mac notch app for desktop approvals
Append-only audit trail of all decisions
Supports Claude Code, Codex, Cursor, Hermes and MCP agents
Slack approval notifications
Partner APIs for embedding approvals in products
What makes it different
MIT licensed open source platform with no data lock-in
Enterprise scale architecture handling billions of monthly events
Works with any language and framework with no framework lock-in
Async by default so tracing never blocks your application
Agent decisions saved as permanent, uneditable audit trail
Smart policies that auto-approve safe actions and escalate risky ones
Partner APIs let customers approve without separate Pushary account
Pushary