KeystoneJS vs Sanity: Which is Better in 2026?
Choosing between KeystoneJS and Sanity comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Sanity is our overall Headless CMS pick. Pick KeystoneJS if you need developer tools.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
KeystoneJS
Headless CMS and GraphQL API framework
Best for you if:
- • You want a fully free tool (Sanity requires payment)
Sanity
Structure content as data for any application
Best for you if:
- • You want excellent developer experience
| At a Glance | KeystoneJS | Sanity |
|---|---|---|
Starts at | Free 100% free | Free Free plan |
Category | Developer Tools Headless CMS | Headless CMS Writing & Content |
Rating | 4.6/5 G2 4.6 11 reviews | 4.7/5 G2 4.7 924 reviews |
Free plan | Yes | Yes |
Watch out for | n/a | API request overages at $1/25K (non-CDN) can spike with server-side rendering patterns |
Choose KeystoneJS or Sanity?
Choose KeystoneJS if
- You want a fully free tool (Sanity requires payment)
- You want good headless CMS
- You want GraphQL API
- You work in developer tools, not headless CMS
Choose Sanity if
- You want excellent developer experience
- You want real-time collaboration
- You work in headless CMS, not developer tools
In-Depth Analysis
KeystoneJS
Headless CMS and GraphQL API framework
KeystoneJS offers an incredibly generous pricing model, being entirely free and open source.
Strengths
- Pro: Good headless CMS
- Pro: GraphQL API
- Pro: Admin UI included
- Pro: Open source
- Pro: Good for developers
Weaknesses
- Con: Learning curve
- Con: Node.js required
- Con: Less content features
- Con: Self-hosting needed
- Con: Smaller community
Key features
Sanity
Structure content as data for any application
Sanity Free with 20 seats is the most generous free CMS tier in the market, Contentful and Hygraph cap at 5-10.
Watch out
API request overages at $1/25K (non-CDN) can spike with server-side rendering patterns
Strengths
- Pro: Excellent developer experience
- Pro: Real-time collaboration
- Pro: Highly flexible schema
- Pro: Fast CDN
- Pro: Great documentation
Weaknesses
- Con: GROQ learning curve
- Con: Can get expensive at scale
- Con: Complex for simple sites
- Con: Requires development skills
Key features
Pricing: KeystoneJS vs Sanity
| Plan | KeystoneJS | Sanity |
|---|---|---|
| Tier 1 | Free Free | $0 Free |
| Tier 2 | N/A | $15 Growth |
| Tier 3 | N/A | Custom Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on KeystoneJS pricing and Sanity pricing.
Key Takeaways
Sanity
- Larger review base (924 reviews)
- Free tier available
- Our pick for this comparison
KeystoneJS
- Completely free
- Better fit for developer tools
The Bottom Line
Sanity is our overall Headless CMS pick. That said, KeystoneJS is free, hard to beat on price.
Frequently Asked Questions
Is KeystoneJS or Sanity better in 2026?
Sanity is our overall Headless CMS pick. Pick KeystoneJS for developer tools workflows (main strength: good headless CMS). Pick Sanity for headless CMS workflows (main strength: excellent developer experience).
What are KeystoneJS and Sanity used for?
KeystoneJS: Headless CMS and GraphQL API framework. Sanity: Structure content as data for any application.
What does KeystoneJS cost vs Sanity?
KeystoneJS is free. Sanity's paid plans start at Free (Growth).
What's the main difference between KeystoneJS and Sanity?
KeystoneJS's main strength: good headless CMS. Sanity's main strength: excellent developer experience.