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Contentful vs Sanity

Live comparisonView as JSON
Contentful
cloudFree (5 users, 2 spaces)
Sanity
cloudFree (3 users, 500k API requests)
Pricing
Free (5 users, 2 spaces)$300/mo MediumCustom Enterprise
Free (3 users, 500k API requests)$15/user/mo TeamCustom Enterprise
Open Source
Self-Hosted
SDK Languages
pythonjavascripttypescriptrubyjavacsharpphp
javascripttypescriptpython
Frameworks
langchainnextjsgatsby
langchainnextjs
Compliance
soc2gdpriso27001
soc2gdpr
Best For
Enterprise headless CMS with strong API-first design — well-suited for AI-powered content pipelines
Real-time collaborative CMS with GROQ query language — flexible schema and generous free tier for AI prototyping
Limitations
Expensive at scale; content model changes require migrations; rate limits on free tier are tight for AI workloads
GROQ has a learning curve; Sanity Studio (editor UI) is React-only; less enterprise adoption than Contentful

Supported Not supported Unverified

Both Contentful and Sanity offer hosted MCP servers with OAuth, so neither requires local setup. Sanity wins on query depth, AI tools, and webhook features. Contentful wins for non-JavaScript runtimes and existing installations.

Where Sanity wins

  • GROQ query language and webhook retry. Sanity's GROQ supports joins via ->, array traversal, delta functions (before(), after()), and projections in a single query. No schema redeploy needed. The same syntax filters webhooks—agents subscribe to specific document paths and field changes. Sanity retries webhooks twice with 30-second intervals (~1 minute total). Contentful retries for 1 minute only.

  • MCP server with GROQ queries. Sanity's MCP server at mcp.sanity.io includes query_documents for GROQ execution from tool calls. Full join and projection power without custom adapters. Additional tools: get_document, create_documents_from_json, create_documents_from_markdown, patch_document_from_json, patch_document_from_markdown, schema management, publish/unpublish, releases, versioned documents, dataset creation, CORS config, and API token management.

  • Code-first schema, no GUI changes outside review. Sanity schemas are TypeScript or JavaScript files in version control alongside code. Agents introspecting get_schema see the same schema in the repository. Contentful content types live in the API or web app, with no code-first workflow. Schema changes can bypass code review.

  • Agent Actions and Sanity Functions. Agent Actions (generate, transform, translate) write directly to the Content Lake. Agents modify stored content without fetching and pushing back. Sanity Functions runs serverless compute triggered by content events. Contentful has no documented equivalent.

Where Contentful wins

  • SDKs for Python, Java, .NET. Contentful maintains SDKs for JavaScript, Python, PHP, Ruby, Java, .NET, Android, and iOS. Non-JavaScript agent pipelines get maintained SDKs, no custom HTTP layer. Sanity documents JavaScript only, plus community libraries.

  • GraphQL schema syncs automatically. Contentful generates GraphQL schemas from content models automatically. Content type changes reflect instantly. Agent queries stay valid after updates with no redeploy or manual schema sync.

The agentic difference

Both have MCP servers and OAuth. The gap is tooling depth.

Sanity's MCP includes query_documents for GROQ—agents execute complex joins and delta projections directly. Agent Actions modify stored content. Sanity Functions run event-triggered logic in-platform. Webhook retries are guaranteed. The read-write-react loop is complete and platform-managed.

Contentful's MCP server (Beta at mcp.contentful.com/mcp, plus open-source local option) covers entries, content types, assets, spaces, environments, locales, tags, and AI Actions. Good for reads and writes, but the query model is field lookups, not a full language. No Agent Actions or Sanity Functions equivalent.

When to pick which

  • Pick Sanity when agents need to write or transform content. Agent Actions, GROQ delta filters, Sanity Functions, and MCP support give a complete loop inside the CMS. Also pick Sanity when schema must live in version control with no GUI drift.

  • Pick Contentful when the agent pipeline runs in Python, Java, .NET, or another non-JavaScript language with a maintained SDK. Also pick Contentful when GraphQL schema must stay in sync with content model changes automatically.

  • Pick Contentful over Sanity if your team already uses Contentful and just needs to expose content to agents. MCP handles that without custom work, and migration cost outweighs the agentic gap.

Last verified: 2026-05-09