Staxly

LangChain vs Auth0

The framework for building LLM apps — chains, agents, RAG, LangGraph
vs. Customer identity platform from Okta

LangChain websiteAuth0 website

Pricing tiers

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

Auth0

B2C Essentials
Starting at 500 MAUs. Pro MFA, RBAC, passwordless, SAML, 10 orgs.
$35/mo
B2B Essentials
Unlimited orgs, 3 SSO connections, RBAC.
$150/mo
B2C Professional
Starting at 500 MAUs. Includes attack protection, custom DB, enterprise MFA.
$240/mo
B2B Professional
5+ SSO connections, attack protection, custom DB.
$800/mo
Enterprise
Custom. 99.99% SLA, dedicated support.
Custom
Auth0 website

Free-tier quotas head-to-head

Comparing oss on LangChain vs b2c-essentials on Auth0.

MetricLangChainAuth0
mau start500 MAU
sso connections0 conns

Features

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).

Auth0 · 14 features

  • Attack ProtectionBot detection, brute-force protection, breached-password detection, suspicious I
  • Auth0 ActionsNode.js + TS hooks that run during auth flows (login, post-login, signup, MFA).
  • Auth0 FGA (OpenFGA)Fine-grained relationship-based authorization (ReBAC). Based on Google Zanzibar.
  • Custom DatabaseBYO user DB: scripts in Actions read from your database and create Auth0 users o
  • Custom DomainServe auth at auth.yourbrand.com with managed cert.
  • Enterprise SSOSAML 2.0 + OIDC + AD/LDAP enterprise connections. Per-tenant or per-org.
  • Log StreamingStream tenant logs to Datadog, Splunk, Sumo Logic, Azure Sentinel, HTTP, Mixpane
  • Machine-to-MachineClient-credentials grant for backend services.
  • Multi-Factor AuthSMS, Voice, Email, TOTP, WebAuthn (biometrics), Push (Guardian app), Duo.
  • OrganizationsMulti-tenant B2B: orgs with invitations, roles, branding, enterprise connections
  • PasskeysFIDO2/WebAuthn passkey sign-in.
  • PasswordlessEmail magic link + code, SMS code, WebAuthn.
  • RBACRoles, permissions, API scopes — attach to users or orgs.
  • Universal LoginHosted login page with customization, multi-factor flows, passwordless, social,

Developer interfaces

KindLangChainAuth0
CLIAuth0 CLI
SDK@langchain/core (Node), langchain (Python), langgraph (JS), langgraph (Python), LangServeAuth0 Android, Auth0 iOS/Swift, @auth0/nextjs-auth0, Auth0 React SDK, Auth0 SPA.js SDK, Go Auth0 SDK, Node Auth0 Backend SDK, Python Auth0 SDK
RESTLangGraph PlatformAuthentication API, Management API
Staxly is an independent catalog of developer platforms. Some links to LangChain and Auth0 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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