LangChain vs Sanity
The framework for building LLM apps — chains, agents, RAG, LangGraph
vs. Structured content platform — headless CMS with real-time + GROQ
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
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
Free-tier quotas head-to-head
Comparing oss on LangChain vs free on Sanity.
| Metric | LangChain | Sanity |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
LangChain · 18 features
- Agents — Tool-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 Loaders — 150+ loaders for PDF, HTML, Notion, Google Drive, S3, GitHub, etc.
- Human-in-the-loop — Pause agent for approval, then resume.
- LangGraph — Stateful graph-based agent runtime. Durable, replayable, human-in-the-loop.
- LangGraph Platform — Managed hosting for LangGraph agents with state persistence.
- LangGraph Studio — Desktop IDE for debugging agent graphs.
- LangServe — Deploy chains as FastAPI endpoints.
- Memory — Buffer, summary, entity, vector memory stores.
- Output Parsers — Structured JSON, Pydantic schemas, function calling.
- Prompt Templates — Templating + partial filling + output parsers.
- RAG (Retrieval-Augmented Generation) — Standard patterns + 50+ retrievers.
- Streaming — First-class streaming at every layer.
- Subgraphs — Compose agent graphs hierarchically.
- Text Splitters — Recursive, token, semantic splitters for chunking.
- Tools — 400+ pre-built tools (web search, code, databases, APIs).
- Vector Store Integrations — 60+ vector DBs (Pinecone, Chroma, Weaviate, PGVector, Qdrant, Milvus).
Sanity · 16 features
- Agent Context — Expose your content schema + docs to LLM agents.
- Content Agent (AI) — AI assistant inside Studio for generation + translation.
- Content History — Every change versioned. Rollback + diff.
- Content Lake — Distributed real-time DB for structured content. Multi-region replicas.
- Datasets — Logical content partitions (stage/prod/etc.). Easy cloning.
- GROQ — Graph-Relational Object Queries — JSON-native query language.
- Image CDN — Smart transforms (crop, format, quality) via URL params.
- Internationalization — Multiple locales per document with native i18n plugins.
- Live Previews — Draft previews with stega-encoded content.
- Media Library (Ent) — Org-wide media with DAM features.
- Portable Text — Structured rich text format (JSON). Portable across channels.
- Real-Time Collaboration — Live presence + collaborative editing.
- Sanity Studio — Open-source React editor — customize with your own components + workflow.
- Scheduled Publishing — Schedule content to publish at a future date.
- Visual Editing — Click-to-edit inline on your Next.js/etc. website.
- Webhooks — Events on create/update/delete with GROQ filter.
Developer interfaces
| Kind | LangChain | Sanity |
|---|---|---|
| CLI | — | Sanity CLI |
| SDK | @langchain/core (Node), langchain (Python), langgraph (JS), langgraph (Python), LangServe | @sanity/client, sanity-python, @sanity/ui + next-sanity |
| REST | LangGraph Platform | Image CDN, Sanity HTTP API |
| MCP | — | Sanity MCP |
| OTHER | — | GROQ 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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