Langfuse vs LogRocket

Langfuse

LogRocket

Langfuse · 16 features

• Annotation Queues — Human reviewers rate traces. Unlimited on Pro+.
• Dashboards — Aggregate metrics, cost, quality across projects.
• Datasets — Curate test sets from production traces. Run experiments.
• EU Cloud Region — GDPR-compliant hosting in EU.
• Evaluations — LLM-as-judge, manual scores, custom model-graded evaluators.
• LLM Cost Tracking — Automatic cost calculation per provider/model.
• OpenTelemetry Native — OTel SDK → Langfuse endpoint works out of box.
• Playground — Test prompts + models + variables live.
• Prompt Management — Version, tag, label prompts. Reference from code by label.
• Public API — Full REST API for ingest, query, prompt management.
• Python @observe decorator — One-line decorator to trace any function.
• Self-Hosting — Docker Compose + k8s Helm chart.
• Sessions — Group related traces (conversations, agent runs).
• Tracing — Capture every LLM call, tool call, nested span with inputs/outputs/cost.
• Users Tracking — Segment traces by user ID, track per-user cost.
• Webhooks — Subscribe to trace completion events.

LogRocket · 14 features

• Cohort Analysis — Group users by behavior. Professional+.
• Custom Events — track() events attached to sessions.
• Frustration Signals — Auto-detect rage clicks, dead clicks, error clicks, u-turns.
• Funnels — Multi-step conversion funnels tied to session replays.
• Galileo AI — AI-summarized issues + suggested fixes. Professional+.
• Heatmaps — Click + scroll + rage click heatmaps. Professional+.
• JavaScript Error Reporting — Stack traces, source maps, user context, console + network before error.
• Network Monitoring — All XHR/fetch calls with req/res payload. PII redacted.
• Performance Monitoring — Core Web Vitals + custom metrics per session.
• Privacy Controls — Auto input sanitization + custom privacy rules.
• Product Analytics — Funnels, retention, conversion rates (Professional+).
• Session Replay — Pixel-perfect recordings with DOM + console + network + state.
• Source Map Support — Symbolicated stack traces via upload on build.
• User Identification — identify() to link sessions to user IDs + traits.