Updated for 2026
Cloudflare D1vs
MongoDB
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.
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 D1dev-database
MongoDB
MongoDB is a document-oriented database that stores BSON/JSON-like documents — strong for flexible schemas, change streams, and sharded clusters (self-host or Atlas).
Visit MongoDBBasics
| Feature | Cloudflare D1 | MongoDB |
|---|---|---|
| Released | 2022 | 2016 |
| Company | Cloudflare | MongoDB, Inc. |
| Country | United States | United States |
| Region / Availability | Global edge (Cloudflare network) | Self-host / multi-cloud |
Pricing comparison
| Plan | Cloudflare D1 | MongoDB |
|---|---|---|
| Model | usage | open-source |
| Free tier | Yes | Yes |
| Starts at | $0/mo | $0/mo |
| Plan 1 | Free: FreeFree tier with 5GB total storage, 5 million row reads/day, and 100,000 row writes/day — very generous. | Open Source: Free |
| Plan 2 | Workers Paid: Usage-basedMonthly includes 5 GB storage, 25 billion row reads, and 50 million row writes. | MongoDB Atlas Free: FreeLimited to 512MB storage, primarily for learning purposes. |
| Plan 3 | Exceeding the free quota: Usage-based$0.75/GB-month, $0.001/million row reads, $1.00/million row writes. | MongoDB Atlas Flex: $30/moFor application development and testing, with on-demand burst capacity for unpredictable traffic. Limited to 5GB storeage. |
| Plan 4 | — | MongoDB Atlas Dedicated: Starts at $57/moFor production applications with complex workloads. 10GB to 4TB storage, dedicated memory and CPU. |
Feature checklist
| Feature | Cloudflare D1 | MongoDB |
|---|---|---|
| Open Source | ✗ | ✓https://github.com/mongodb/mongo |
| Self-host Option | ✗ | ✓ |
| ACID | ACID within a SQLite database | Document atomicity; multi-document ACID transactions (4.0+) |
| Index Support | SQLite B-tree indexes | Single, compound, text, geospatial, wildcard, and vector indexes |
| Concurrency | Limited writers; edge-friendly read fan-out | High concurrency for document workloads with wiredTiger locking |
| Scalability | Global edge placement; not unlimited write scale | Native horizontal sharding and replica sets |
| 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 Case | Edge SQLite for Cloudflare Workers and low-latency SQL near users | Flexible document storage for product catalogs, content, and event-driven apps |
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
MongoDB
- Document model flexibility
- Strong Atlas developer tooling
- Vector search and multi-cloud options
- Not relational SQL
- Cost management needs care at scale
- Auth/storage not as turnkey as BaaS suites
Dimension scores
Editorial 0–10 scores across shared dimensions — higher is better for that axis.
| Dimension | Cloudflare D1 | MongoDB |
|---|---|---|
| Capability | 7.5 | 8.5 |
| Privacy | 7.0 | 6.0 |
| Value | 9.0 | 7.0 |
| Depth | 6.5 | 8.5 |
| Ecosystem | 8.5 | 9.0 |
| DX | 8.0 | 7.5 |
- Cloudflare D1
- MongoDB
FAQ
Is Cloudflare D1 better than MongoDB? (2026)
It depends on workflow. Cloudflare D1 emphasizes serverless sqlite database that runs on cloudflare’s global edge network. MongoDB emphasizes document database for flexible json-like data, rich indexing, and horizontal scale. Use the feature checklist above for your stack.
Which use cases fit Cloudflare D1 vs MongoDB?
- Cloudflare D1: Edge SQLite for Cloudflare Workers and low-latency SQL near users
- MongoDB: Flexible document storage for product catalogs, content, and event-driven apps
What are the main differences between Cloudflare D1 and MongoDB?
- Open Source: Cloudflare D1 (no) vs MongoDB (yes)
- Self-host Option: Cloudflare D1 (no) vs MongoDB (yes)
- ACID: Cloudflare D1 (ACID within a SQLite database) vs MongoDB (Document atomicity; multi-document ACID transactions (4.0+))
- Index Support: Cloudflare D1 (SQLite B-tree indexes) vs MongoDB (Single, compound, text, geospatial, wildcard, and vector indexes)
- Concurrency: Cloudflare D1 (Limited writers; edge-friendly read fan-out) vs MongoDB (High concurrency for document workloads with wiredTiger locking)
How do Cloudflare D1 and MongoDB 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
MongoDB pricing overview:
- Has a free tier
- Pricing model: open source
- Starting from ~$0/mo
- Plan Open Source: Free
- Plan MongoDB Atlas Free: Free
- Plan MongoDB Atlas Flex: $30/mo
Always verify current prices on the vendor site before buying.
Do Cloudflare D1 and MongoDB offer a free tier?
- Cloudflare D1: Has a free tier
- MongoDB: Has a free tier
Are Cloudflare D1 and MongoDB open source?
- Cloudflare D1: no
- MongoDB: yes
Does this page include affiliate links?
When an affiliate partnership exists, CTAs use tracked links; otherwise we link to the official site. See our disclaimer for compliance notes.
Related alternatives
Disclaimer:Not Financial or Investment Advice, Educational/Dev Tool Comparison Only. Information may change; always verify pricing on the vendor site before purchasing.