LangSmith vs Medusa

LangSmith

Medusa

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.

Medusa · 16 features

• Admin Dashboard — React-based admin UI.
• Auth — Customer + admin auth with JWT.
• Cart — Multi-region carts with tax/pricing logic.
• Checkout — Multi-step checkout flow.
• Customers + Groups — Customer records + B2B groups.
• Dynamic Pricing — Price lists, rules, customer-specific.
• Event Bus — Async events via Redis / RabbitMQ.
• File Service — Pluggable storage (S3, local).
• Gift Cards — Native gift-card support.
• Inventory + Multi-warehouse — Stock tracking across locations.
• Next.js Starter — Production-ready Next.js storefront.
• Orders + Fulfillment — Full order lifecycle (edits, returns, exchanges).
• Products + Variants — Products with options, variants, images.
• Promotions + Discounts — Rule-based promos, campaigns.
• Tax Providers — Pluggable tax calculation.
• Workflows Engine — Durable saga-style business logic.