Staxly

LangChain vs Sanity

The framework for building LLM apps — chains, agents, RAG, LangGraph
vs. Structured content platform — headless CMS with real-time + GROQ

LangChain websiteSanity 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

Sanity

Free
20 seats. 2 public datasets. 10K documents. 250K API req + 1M CDN req/month. Content Agent + live preview + visual editing.
Free
Growth
$15 per seat/month. 50 seats. 2 datasets (public or private). 25K docs. Same API limits + pay-as-you-go overages.
$15/mo
Enterprise
Custom. SAML SSO, Media Library, dedicated support, 99.99% SLA.
Custom
Sanity website

Free-tier quotas head-to-head

Comparing oss on LangChain vs free on Sanity.

MetricLangChainSanity
No overlapping quota metrics for these tiers.

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).

Sanity · 16 features

  • Agent ContextExpose your content schema + docs to LLM agents.
  • Content Agent (AI)AI assistant inside Studio for generation + translation.
  • Content HistoryEvery change versioned. Rollback + diff.
  • Content LakeDistributed real-time DB for structured content. Multi-region replicas.
  • DatasetsLogical content partitions (stage/prod/etc.). Easy cloning.
  • GROQGraph-Relational Object Queries — JSON-native query language.
  • Image CDNSmart transforms (crop, format, quality) via URL params.
  • InternationalizationMultiple locales per document with native i18n plugins.
  • Live PreviewsDraft previews with stega-encoded content.
  • Media Library (Ent)Org-wide media with DAM features.
  • Portable TextStructured rich text format (JSON). Portable across channels.
  • Real-Time CollaborationLive presence + collaborative editing.
  • Sanity StudioOpen-source React editor — customize with your own components + workflow.
  • Scheduled PublishingSchedule content to publish at a future date.
  • Visual EditingClick-to-edit inline on your Next.js/etc. website.
  • WebhooksEvents on create/update/delete with GROQ filter.

Developer interfaces

KindLangChainSanity
CLISanity CLI
SDK@langchain/core (Node), langchain (Python), langgraph (JS), langgraph (Python), LangServe@sanity/client, sanity-python, @sanity/ui + next-sanity
RESTLangGraph PlatformImage CDN, Sanity HTTP API
MCPSanity MCP
OTHERGROQ Query Language, Webhooks
Staxly is an independent catalog of developer platforms. Outbound links to LangChain and Sanity are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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