Staxly

Lovable vs LangChain

AI app builder with shared team workspace — unlimited users per plan
vs. The framework for building LLM apps — chains, agents, RAG, LangGraph

Lovable websiteLangChain website

Pricing tiers

Lovable

Free
Limited features baseline. Try out and build small demos.
Free
Pro
$25/month (shared across unlimited users). 100 credits/mo + 5 daily (up to 150/mo). Custom domains, remove Lovable badge, user roles.
$25/mo
Business
$50/month (shared). Everything in Pro + Internal publish, SSO, Team workspace, personal projects, design templates, security center.
$50/mo
Enterprise
Custom (platform fee by company size). Covers all employees. Volume credits, dedicated support, onboarding, SCIM, audit logs.
Custom
Lovable website

LangChain

OSS (MIT)
MIT-licensed core library. Free forever. Python + JS.
$0 base (usage-based)
LangSmith (see entry)
Observability layer — Developer free, Plus $39/seat. Separate platform.
$0 base (usage-based)
LangGraph Platform — Developer
Deploy LangGraph agents as an API. Free tier — limited execution minutes.
$0 base (usage-based)
LangGraph Platform — Plus
$39/seat/mo (tied to LangSmith Plus). More execution credit. Production features.
$39/mo
Enterprise
Custom. Self-host, dedicated support, SSO.
Custom
LangChain website

Free-tier quotas head-to-head

Comparing free on Lovable vs oss on LangChain.

MetricLovableLangChain
No overlapping quota metrics for these tiers.

Features

Lovable · 16 features

  • Connect External APIsChat: "connect OpenAI API" → done.
  • Custom DomainsPublish at yourbrand.com.
  • Design TemplatesPre-made design systems (Business tier).
  • GitHub 2-way SyncCommit from Lovable or edit in repo — reflects both ways.
  • Image/Sketch to UIUpload screenshot → get matching UI.
  • Internal PublishDeploy internally only (Business tier).
  • Live PreviewSee the app live while iterating.
  • Prompt-to-AppNatural language → running React app.
  • Remove Lovable BadgeWhite-label output — no Lovable branding.
  • SCIM Provisioning (Ent)Directory sync.
  • Security CenterAudit + permissions console (Business+).
  • Stripe IntegrationBuilt-in Stripe payments setup.
  • Supabase NativeFirst-class Supabase auth + DB integration.
  • Team WorkspaceShared projects + roles.
  • User RolesRole-based access control.
  • Visual EditClick element → describe change.

LangChain · 18 features

  • AgentsTool-using agents with reasoning loops.
  • Chains (LCEL)LangChain Expression Language — pipe primitives into chains.
  • Checkpointers (LangGraph)Persist agent state to SQL, Mongo, Redis, Postgres.
  • Document Loaders150+ loaders for PDF, HTML, Notion, Google Drive, S3, GitHub, etc.
  • Human-in-the-loopPause agent for approval, then resume.
  • LangGraphStateful graph-based agent runtime. Durable, replayable, human-in-the-loop.
  • LangGraph PlatformManaged hosting for LangGraph agents with state persistence.
  • LangGraph StudioDesktop IDE for debugging agent graphs.
  • LangServeDeploy chains as FastAPI endpoints.
  • MemoryBuffer, summary, entity, vector memory stores.
  • Output ParsersStructured JSON, Pydantic schemas, function calling.
  • Prompt TemplatesTemplating + partial filling + output parsers.
  • RAG (Retrieval-Augmented Generation)Standard patterns + 50+ retrievers.
  • StreamingFirst-class streaming at every layer.
  • SubgraphsCompose agent graphs hierarchically.
  • Text SplittersRecursive, token, semantic splitters for chunking.
  • Tools400+ pre-built tools (web search, code, databases, APIs).
  • Vector Store Integrations60+ vector DBs (Pinecone, Chroma, Weaviate, PGVector, Qdrant, Milvus).

Developer interfaces

KindLovableLangChain
SDK@langchain/core (Node), langchain (Python), langgraph (JS), langgraph (Python), LangServe
RESTLovable API (preview)LangGraph Platform
OTHERGitHub 2-way sync, Lovable Web App, Supabase Native
Staxly is an independent catalog of developer platforms. Some links to Lovable and LangChain 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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