Updated for 2026

Cloudflare D1vsNeo4j

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

Neo4j

Neo4j is the mainstream graph database for modeling highly connected data — useful for knowledge graphs, fraud, and recommendations.

Visit Neo4j

Basics

FeatureCloudflare D1Neo4j
Released20222007
CompanyCloudflareNeo4j, Inc.
CountryUnited StatesUnited States
Region / AvailabilityGlobal edge (Cloudflare network)Self-host / multi-cloud

Pricing comparison

PlanCloudflare D1Neo4j
Modelusagefreemium
Free tierYesYes
Starts at$0/mo$0/mo
Plan 1Free: FreeFree tier with 5GB total storage, 5 million row reads/day, and 100,000 row writes/day — very generous.Community / Aura Free: Free
Plan 2Workers Paid: Usage-basedMonthly includes 5 GB storage, 25 billion row reads, and 50 million row writes.Aura Professional: Usage-based
Plan 3Exceeding the free quota: Usage-based$0.75/GB-month, $0.001/million row reads, $1.00/million row writes.Enterprise: Custom

Feature checklist

FeatureCloudflare D1Neo4j
Open Source✗✓
Self-host Option✗✓
ACIDACID within a SQLite databaseFull ACID graph transactions
Index SupportSQLite B-tree indexesRange, text, point, full-text, and vector indexes
ConcurrencyLimited writers; edge-friendly read fan-outStrong for graph queries; clustering on Enterprise/Aura
ScalabilityGlobal edge placement; not unlimited write scaleCausal clustering / Aura scale for connected data
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 usersGraph database for knowledge graphs, recommendations, and fraud networks

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

Neo4j

  • Best-in-class graph model and Cypher
  • Great for knowledge graphs and recommendations
  • Aura managed option plus self-host
  • Not a drop-in SQL/RDBMS replacement
  • Graph modeling mindset required
  • Cost can rise for large Aura workloads

Dimension scores

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

DimensionCloudflare D1Neo4j
Capability
7.5
8.5
Privacy
7.0
8.0
Value
9.0
7.5
Depth
6.5
9.0
Ecosystem
8.5
8.5
DX
8.0
8.0
CapabilityPrivacyValueDepthEcosystemDX
  • Cloudflare D1
  • Neo4j

FAQ

Is Cloudflare D1 better than Neo4j?

It depends on workflow. Cloudflare D1 emphasizes serverless sqlite database that runs on cloudflare’s global edge network. Neo4j emphasizes leading graph database for connected data, cypher queries, and knowledge graphs. Use the feature checklist above for your stack.

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When an affiliate partnership exists, CTAs use tracked links; otherwise we link to the official site. See our disclaimer for compliance notes.

Related alternatives

Cloudflare D1 alternatives

Neo4j alternatives

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