LangSmith vs Hoppscotch

LangSmith

Hoppscotch

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.

Hoppscotch · 18 features

• Auth Helpers — OAuth, JWT, Bearer, etc.
• Browser Extension — Proxy through extension.
• Code Generation — Generate curl, fetch, axios, etc.
• Collections — Grouped requests + hierarchy.
• Environments — Variables with inheritance.
• GraphQL Client — Query + schema explorer.
• hopp CLI — Run tests in CI.
• Hoppscotch MCP — MCP server for AI agents.
• MQTT — MQTT client.
• Pre-request Scripts — JS runs before each request.
• Progressive Web App — Install offline-capable PWA.
• Request History — Browser-local history.
• REST Client — HTTP request builder.
• Self-Host — Docker Compose.
• Server-Sent Events (SSE) — SSE stream.
• Socket.IO — Socket.IO client.
• Test Scripts — Assertions on responses.
• WebSocket — WS messages.