Staxly

Medusa vs LangSmith

Open-source commerce engine — build custom storefronts with Next.js + Node
vs. LLM observability, testing & evaluation — by LangChain

Medusa websiteLangSmith website

Pricing tiers

Medusa

OSS (self-host)
$0. MIT license. Run Medusa backend + admin on your infra.
$0 base (usage-based)
Medusa Cloud Free
$0. Hobby projects. Shared infra. Community support.
Free
Medusa Cloud Pro
$99/mo. Production support. Dedicated DB. Priority.
$99/mo
Enterprise
Custom. SSO, SLA, dedicated cluster, PCI.
Custom
Medusa website

LangSmith

Developer (Free)
Free forever. 5,000 traces/month. 14-day retention. 1 seat. Basic evaluations.
Free
Plus
$39/seat/month. 10k base traces included ($2.50 per 1k overage). Full evaluations, custom dashboards, email support.
$39/mo
Enterprise
Custom. Self-host option, SSO, custom retention, dedicated support.
Custom
LangSmith website

Free-tier quotas head-to-head

Comparing oss on Medusa vs developer on LangSmith.

MetricMedusaLangSmith
No overlapping quota metrics for these tiers.

Features

Medusa · 16 features

  • Admin DashboardReact-based admin UI.
  • AuthCustomer + admin auth with JWT.
  • CartMulti-region carts with tax/pricing logic.
  • CheckoutMulti-step checkout flow.
  • Customers + GroupsCustomer records + B2B groups.
  • Dynamic PricingPrice lists, rules, customer-specific.
  • Event BusAsync events via Redis / RabbitMQ.
  • File ServicePluggable storage (S3, local).
  • Gift CardsNative gift-card support.
  • Inventory + Multi-warehouseStock tracking across locations.
  • Next.js StarterProduction-ready Next.js storefront.
  • Orders + FulfillmentFull order lifecycle (edits, returns, exchanges).
  • Products + VariantsProducts with options, variants, images.
  • Promotions + DiscountsRule-based promos, campaigns.
  • Tax ProvidersPluggable tax calculation.
  • Workflows EngineDurable saga-style business logic.

LangSmith · 14 features

  • AlertsThreshold alerts on latency, cost, eval metrics.
  • Annotation QueuesHuman-review workflows for trace quality rating.
  • Custom DashboardsAggregate metrics dashboards per project/tag.
  • DatasetsCollect examples → use as eval sets or training data.
  • EvaluationsLLM-as-judge, embedding similarity, custom Python evaluators, offline batch eval
  • LangChain IntegrationAuto-trace any LangChain/LangGraph run with env var.
  • LangGraph IntegrationFirst-class trace + eval for LangGraph agents.
  • LLM TracingAutomatic trace every LLM call + tool call + chain step.
  • OpenTelemetry ExportExport traces as OTLP to Datadog/Honeycomb/etc.
  • PlaygroundTest prompts + models inline before deploying.
  • Prompt CanvasVisual prompt editor with live test + eval.
  • Prompt HubPublic + private prompt library with versioning.
  • Self-Hosted (Enterprise)Docker + k8s deployment in your infra.
  • Threads + SessionsGroup traces into conversational sessions.

Developer interfaces

KindMedusaLangSmith
CLImedusa CLILangSmith CLI
SDK@medusajs/js-sdklangsmith-js, langsmith-python
RESTMedusa Admin API, Medusa Store APILangSmith REST API
MCPMedusa MCPLangSmith MCP
OTHERMedusa Admin UI, Next.js StarterLangSmith Dashboard
Staxly is an independent catalog of developer platforms. Some links to Medusa and LangSmith may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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