Supabase vs Sanity: Which is Better in 2026?
Choosing between Supabase 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: Supabase wins this matchup. OutSystems is our overall Low-Code Backend pick. Sanity is our free Low-Code Backend pick. Pick Sanity if you need headless CMS.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Supabase
Open source Firebase alternative
Best for you if:
- • You want full PostgreSQL access
- • You want generous free tier
Sanity
Structure content as data for any application
Best for you if:
- • You want excellent developer experience
- • You want real-time collaboration
| At a Glance | Supabase | Sanity |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Data & Databases | Headless CMS |
Rating | 4.6/5 | 4.7/5 |
Free plan | Yes | Yes |
Choose Supabase or Sanity?
Choose Supabase if
Open source Firebase alternative
- You want full PostgreSQL access
- You want generous free tier
- Your work is data & databases-shaped, not headless CMS-shaped
Choose Sanity if
Structure content as data for any application
- You want excellent developer experience
- You want real-time collaboration
- Your work is headless CMS-shaped, not data & databases-shaped
| Feature | Supabase | Sanity |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.6/5 233 reviews | ★4.7/5 924 reviews |
| Categories | Data & DatabasesAPI Tools | Headless CMSWriting & Content |
In-Depth Analysis
Supabase
Open source Firebase alternative
Supabase is the open-source Firebase alternative that developers actually want to use, Postgres database, authentication, storage, edge functions, and real-time subscriptions in one platform.
Watch out
Free projects pause after 7 days of inactivity: your app goes offline until someone visits it again. Not suitable for any production use, only for development and demos
Strengths
- +Full PostgreSQL access
- +Generous free tier
- +Open-source and self-hostable
- +Great developer experience
Weaknesses
- -Projects pause on free tier
- -Smaller ecosystem than Firebase
- -Less mature than alternatives
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
- +Excellent developer experience
- +Real-time collaboration
- +Highly flexible schema
- +Fast CDN
- +Great documentation
Weaknesses
- -GROQ learning curve
- -Can get expensive at scale
- -Complex for simple sites
- -Requires development skills
Key features
Pricing: Supabase vs Sanity
| Plan | Supabase | Sanity |
|---|---|---|
| Tier 1 | $0 Free | $0 Free |
| Tier 2 | $25 Pro | $15 Growth |
| Tier 3 | $599 Team | Custom Enterprise |
| Tier 4 | Custom Enterprise | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on Supabase pricing and Sanity pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Supabase
Want the highest-rated option?
Supabase: 4.6/5 (233 reviews). Sanity: 4.7/5 (924 reviews).
Go with: Sanity
Value user reviews?
Supabase: 233 reviews (4.6/5). Sanity: 924 reviews (4.7/5).
Go with: Sanity
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Supabase is a data & databases tool. Sanity is in headless CMS. Pick the category that matches your needs.
How important are ratings?
Sanity is rated higher: 4.7/5 vs 4.6/5.
Key Takeaways
Supabase
- Free tier available
- Our pick for this comparison
Sanity
- Higher user rating: 4.7/5 vs 4.6/5
- Larger review base (924 reviews)
- Better fit for headless CMS
The Bottom Line
Supabase wins this matchup. OutSystems is our overall Low-Code Backend pick. Sanity is our free Low-Code Backend pick.
Frequently Asked Questions
Is Supabase or Sanity better?
Supabase is rated in our evaluation. Both are freemium.
What are Supabase and Sanity used for?
Supabase: Open source Firebase alternative. Sanity: Structure content as data for any application.
What does Supabase cost vs Sanity?
Supabase is freemium (free tier + paid plans). Sanity is freemium (free tier + paid plans). Visit their websites for detailed pricing.