LogRocket vs LangSmith

LogRocket

LangSmith

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.

LangSmith · 14 features

• Alerts — Threshold alerts on latency, cost, eval metrics.
• Annotation Queues — Human-review workflows for trace quality rating.
• Custom Dashboards — Aggregate metrics dashboards per project/tag.
• Datasets — Collect examples → use as eval sets or training data.
• Evaluations — LLM-as-judge, embedding similarity, custom Python evaluators, offline batch eval…
• LangChain Integration — Auto-trace any LangChain/LangGraph run with env var.
• LangGraph Integration — First-class trace + eval for LangGraph agents.
• LLM Tracing — Automatic trace every LLM call + tool call + chain step.
• OpenTelemetry Export — Export traces as OTLP to Datadog/Honeycomb/etc.
• Playground — Test prompts + models inline before deploying.
• Prompt Canvas — Visual prompt editor with live test + eval.
• Prompt Hub — Public + private prompt library with versioning.
• Self-Hosted (Enterprise) — Docker + k8s deployment in your infra.
• Threads + Sessions — Group traces into conversational sessions.