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Langfuse vs Traccia

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Langfuse compared with Traccia
Detail LangfuseTraccia logo Traccia
What it doesOpen Source Agent Evals & Observability AI Agent Control Plane: Observability & Governance
StageEstablished Not given
FoundedNot given Not given
Based inDE IN
Pricing modelFreemium Freemium
PricingNot given Free plan: $0/month with 50K events/month and 7-day retention. Team plan: $299/month with 2M events/month and 90-day retention. Business plan: $799/month with 10M events/month and 1-year retention. Enterprise plan: Custom pricing with volume pricing, custom retention, and unlimited policies.
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
  • Unified Agent Registry across LangChain, CrewAI, and OpenAI Agents SDK
  • End-to-End OpenTelemetry-native tracing with full execution visibility
  • Accurate cost tracking across 2,500+ models independent of trace sampling
  • PII and sensitive data detection with optional redaction and hard blocks
  • Prompt registry with versioning, comparison, and production label protection
  • Datasets, scorers, and experiment framework with evidence-attached promotion
  • Framework-agnostic design supporting dynamic agent identity and multi-agent systems
  • Real-time health scores and dashboard for agent performance monitoring
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
  • Only platform that enforces policies mid-execution instead of alerting after the fact
  • Zero runtime overhead guardrail detection using passive span processor inspection
  • Accurate cost totals at any sampling rate through OTEL metrics per LLM call
  • Framework-agnostic and portable through OpenTelemetry-native SDK design
  • Enterprise-grade security with SOC 2 Type II and RBAC built in
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)80 +1 (up) since last check24 −1 (down) since last check
Trust Flow (Majestic)356
Citation Flow (Majestic)5431
Referring domains (Majestic)6114159

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