Updated for 2026

Cloudflare D1vsSupabase

Not sure which fits your workflow in 2026? Compare pricing, features, and trade-offs — then switch tools below to explore more options in this category.

Category
Tool A
Tool B

dev-database

Cloudflare D1

Cloudflare D1 is a native serverless SQL database first released in Alpha in May 2022 and entering GA in April 2024. It is a serverless SQLite for Workers/edge applications, emphasizing low-latency SQL close to users.

Visit Cloudflare D1

dev-database

Supabase

Supabase is an open-source BaaS platform launched in 2020 by Supabase Inc. It entered GA in 2024 and has become a top backend choice for the AI era and Vibe Coding. A Postgres-first platform with auth, storage, realtime, and vector capabilities—often seen as an open-source Firebase alternative.

Visit Supabase

Basics

FeatureCloudflare D1Supabase
Released20222020
CompanyCloudflareSupabase
CountryUnited StatesUnited States
Region / AvailabilityGlobal edge (Cloudflare network)Multi-region (global)

Pricing comparison

PlanCloudflare D1Supabase
Modelusagefreemium
Free tierYesYes
Starts at$0/mo$25/mo
Plan 1Free: FreeFree tier with 5GB total storage, 5 million row reads/day, and 100,000 row writes/day — very generous.Free: Free500 MB database size，1 GB file storage，Unlimited API requests，50,000 monthly active users
Plan 2Workers Paid: Usage-basedMonthly includes 5 GB storage, 25 billion row reads, and 50 million row writes.Pro: $25/moFor production applications with the power to scale. 100 GB file storage，100,000 monthly active users，8 GB disk size per project
Plan 3Exceeding the free quota: Usage-based$0.75/GB-month, $0.001/million row reads, $1.00/million row writes.Team: $599/moDesigned for team collaboration, it adds features such as single sign-on, backup control, and industry authentication.

Feature checklist

FeatureCloudflare D1Supabase
Open Source✗✓https://github.com/supabase/supabase
Self-host Option✗✓
ACIDACID within a SQLite databaseFull ACID via underlying Postgres
Index SupportSQLite B-tree indexesPostgres indexes + pgvector / full-text options
ConcurrencyLimited writers; edge-friendly read fan-outStrong MVCC concurrency from Postgres
ScalabilityGlobal edge placement; not unlimited write scaleManaged scale + read replicas; branching for previews
SQL Support✓✓
Postgres Compatible✗✓
Serverless Database✓✓
Vector Search✗✓
Realtime✗✓
Built-in Auth✗✓
Blob / File Storage✗ (Supports R2 object storage within the Cloudflare ecosystem.)https://developers.cloudflare.com/r2/✓
Edge Compatible✓✓
AI SQL / NL Query✗✓
AI Schema Assist✗✓
AI Agent / MCP✗✓
Team Collaboration✓✓
Use CaseEdge SQLite for Cloudflare Workers and low-latency SQL near usersPostgres-backed BaaS with auth, storage, realtime, and vectors

Pros & cons

Cloudflare D1

  • Ultra-low latency at the edge
  • Tight Workers / Pages integration
  • Simple SQLite mental model
  • Cloudflare's full-stack closed-loop ecosystem (seamless integration of Workers, Pages, R2 storage, and KV).
  • SQLite limits vs full Postgres
  • No built-in auth/storage suite
  • Replication / multi-region story still evolving

Supabase

  • Full Postgres with rich SQL ecosystem
  • Auth, storage, realtime in one platform
  • Self-host or managed cloud
  • Operational complexity grows with scale
  • Edge latency depends on region choice
  • Not the lightest option for tiny apps

Dimension scores

Editorial 0–10 scores across shared dimensions — higher is better for that axis.

DimensionCloudflare D1Supabase
Capability
7.5
9.0
Privacy
7.0
8.5
Value
9.0
8.5
Depth
6.5
8.5
Ecosystem
8.5
9.0
DX
8.0
9.0
CapabilityPrivacyValueDepthEcosystemDX
  • Cloudflare D1
  • Supabase

FAQ

Is Cloudflare D1 better than Supabase? (2026)

It depends on workflow. Cloudflare D1 emphasizes serverless sqlite database that runs on cloudflare’s global edge network. Supabase emphasizes open-source firebase alternative built on postgres with auth, storage, and realtime. Use the feature checklist above for your stack.

Which use cases fit Cloudflare D1 vs Supabase?
  • Cloudflare D1: Edge SQLite for Cloudflare Workers and low-latency SQL near users
  • Supabase: Postgres-backed BaaS with auth, storage, realtime, and vectors
What are the main differences between Cloudflare D1 and Supabase?
  • Open Source: Cloudflare D1 (no) vs Supabase (yes)
  • Self-host Option: Cloudflare D1 (no) vs Supabase (yes)
  • ACID: Cloudflare D1 (ACID within a SQLite database) vs Supabase (Full ACID via underlying Postgres)
  • Index Support: Cloudflare D1 (SQLite B-tree indexes) vs Supabase (Postgres indexes + pgvector / full-text options)
  • Concurrency: Cloudflare D1 (Limited writers; edge-friendly read fan-out) vs Supabase (Strong MVCC concurrency from Postgres)
How do Cloudflare D1 and Supabase compare on pricing?

Cloudflare D1 pricing overview:

  • Has a free tier
  • Pricing model: usage-based
  • Starting from ~$0/mo
  • Plan Free: Free
  • Plan Workers Paid: Usage-based
  • Plan Exceeding the free quota: Usage-based

Supabase pricing overview:

  • Has a free tier
  • Pricing model: freemium
  • Starting from ~$25/mo
  • Plan Free: Free
  • Plan Pro: $25/mo
  • Plan Team: $599/mo

Always verify current prices on the vendor site before buying.

Do Cloudflare D1 and Supabase offer a free tier?
  • Cloudflare D1: Has a free tier
  • Supabase: Has a free tier
Are Cloudflare D1 and Supabase open source?
  • Cloudflare D1: no
  • Supabase: yes
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Related alternatives

Cloudflare D1 alternatives

Supabase alternatives

Disclaimer:Not Financial or Investment Advice, Educational/Dev Tool Comparison Only. Information may change; always verify pricing on the vendor site before purchasing.