Sanity vs Supabase: Which is Better in 2026?
Choosing between Sanity and Supabase 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
Based on published vendor pricing and features and on public review data, here's who should pick what:
Sanity
Structure content as data for any application
Best for you if:
- • You want excellent developer experience
Supabase
Open source Firebase alternative
Best for you if:
- • You want full PostgreSQL access
| At a Glance | Sanity | Supabase |
|---|---|---|
Starts at | Free Free plan | Free Free plan |
Category | Headless CMS Writing & Content | Data & Databases API Tools |
Rating | 4.7/5 G2 4.7 924 reviews | 4.6/5 G2 4.6 · Capterra 5.0 233 reviews |
Free plan | Yes | Yes |
Watch out for | API request overages at $1/25K (non-CDN) can spike with server-side rendering patterns | 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 |
Choose Sanity or Supabase?
Choose Sanity if
- You want excellent developer experience
- You want real-time collaboration
- You work in headless CMS, not data & databases
Choose Supabase if
- You want full PostgreSQL access
- You want generous free tier
- You work in data & databases, not headless CMS
In-Depth Analysis
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
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
- Pro: Full PostgreSQL access
- Pro: Generous free tier
- Pro: Open-source and self-hostable
- Pro: Great developer experience
Weaknesses
- Con: Projects pause on free tier
- Con: Smaller ecosystem than Firebase
- Con: Less mature than alternatives
Key features
Pricing: Sanity vs Supabase
| Plan | Sanity | Supabase |
|---|---|---|
| Tier 1 | $0 Free | $0 Free |
| Tier 2 | $15 Growth | $25 Pro |
| Tier 3 | Custom Enterprise | $599 Team |
| Tier 4 | N/A | Custom Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on Sanity pricing and Supabase pricing.
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 Sanity or Supabase better in 2026?
Supabase wins this matchup. OutSystems is our overall Low-Code Backend pick. Sanity is our free Low-Code Backend pick. Pick Sanity for headless CMS workflows (main strength: excellent developer experience). Pick Supabase for data & databases workflows (main strength: full PostgreSQL access).
What are Sanity and Supabase used for?
Sanity: Structure content as data for any application. Supabase: Open source Firebase alternative.
What does Sanity cost vs Supabase?
Sanity's paid plans start at Free (Growth). Supabase's paid plans start at Free (Pro).
What's the main difference between Sanity and Supabase?
Sanity's main strength: excellent developer experience. Supabase's main strength: full PostgreSQL access.