Databases & Vector · side by side
MongoDB Atlas vs Weaviate Cloud
Compare MongoDB Atlas, Weaviate Cloud by database engines, storage, compute, backups, branching and vector-search features.
Databases & Vector pricing calculator
20 GB
MongoDB Atlas
Custom / not listed
Custom / unlisted usage pricing · 20 GB storage
Weaviate Cloud
$45 / mo
Flex · 20 GB storage
Listed USD plan fees and tracked usage only. Unlisted compute, transfer, extras, taxes and contract terms are excluded. Custom or unsupported plan usage is not estimated.
Databases & Vector overview & pricing
| Databases & Vector | MongoDB Atlas | Weaviate Cloud |
|---|---|---|
| Provider | MongoDB | Weaviate |
| Billing unit | GB storage | GB storage |
| Plan at selected usage | Custom / unlisted usage pricing | Flex |
| Monthly estimate | Custom / not listed | $45/mo |
| Workload | 20 GB storage | 20 GB storage |
| Free access | 512 MB shared cluster | 14-day sandbox |
| Published plans | Atlas Free, Atlas Infinite, Atlas Flex, Atlas Dedicated, MongoDB Enterprise Advanced | Free, Flex, Premium |
| Prices checked | 2026-10-08 | 2026-10-08 |
Provider
- MongoDB Atlas
- MongoDB
- Weaviate Cloud
- Weaviate
Billing unit
- MongoDB Atlas
- GB storage
- Weaviate Cloud
- GB storage
Plan at selected usage
- MongoDB Atlas
- Custom / unlisted usage pricing
- Weaviate Cloud
- Flex
Monthly estimate
- MongoDB Atlas
- Custom / not listed
- Weaviate Cloud
- $45/mo
Workload
- MongoDB Atlas
- 20 GB storage
- Weaviate Cloud
- 20 GB storage
Free access
- MongoDB Atlas
- 512 MB shared cluster
- Weaviate Cloud
- 14-day sandbox
Published plans
- MongoDB Atlas
- Atlas Free, Atlas Infinite, Atlas Flex, Atlas Dedicated, MongoDB Enterprise Advanced
- Weaviate Cloud
- Free, Flex, Premium
Prices checked
- MongoDB Atlas
- 2026-10-08
- Weaviate Cloud
- 2026-10-08
Databases & Vector monthly cost
MongoDB Atlas: Not pricedWeaviate Cloud: $45
Cost by GB storage
Cost curve data
| GB storage | MongoDB Atlas | Weaviate Cloud |
|---|---|---|
| 0 | $0 | $0 |
| 5 | $8.00 | $0 |
| 10 | $57 | $0 |
| 20 | Not priced | $45 |
| 40 | Not priced | $45 |
| 100 | Not priced | $45 |
| 200 | Not priced | $45 |
0
- MongoDB Atlas
- $0
- Weaviate Cloud
- $0
5
- MongoDB Atlas
- $8.00
- Weaviate Cloud
- $0
10
- MongoDB Atlas
- $57
- Weaviate Cloud
- $0
20
- MongoDB Atlas
- Not priced
- Weaviate Cloud
- $45
40
- MongoDB Atlas
- Not priced
- Weaviate Cloud
- $45
100
- MongoDB Atlas
- Not priced
- Weaviate Cloud
- $45
200
- MongoDB Atlas
- Not priced
- Weaviate Cloud
- $45
Databases & Vector feature comparison
| Databases & Vector | MongoDB Atlas | Weaviate Cloud |
|---|---|---|
| Storage | Not listed | from $0.12 / GiB |
| Contract | Not listed | Monthly (Pay-as-you-go) |
| Deployment type | Not listed | Shared |
| Object limit | Not listed | Unlimited |
| Collection limit | Not listed | 1000 |
| Hybrid search | Not listed | |
| Backup retention | Not listed | 7 days |
| Flexible index types | Not listed | |
| Vector compression | Not listed | |
| HA / replication | Not listed | |
| Multi-tenancy | Not listed | |
| RBAC | Not listed | |
| SSO / SAML | Not listed | |
| Bring your own IdP | Not listed | |
| HIPAA compliant | Not listed | |
| PrivateLink (AWS) | Not listed | |
| Encrypted volumes (customer keys) | Not listed | |
| Metrics endpoint | Not listed | |
| Console metrics | Not listed | |
| Query Agent | Not listed | Free tier + usage-based |
| Query Agent rate limits | Not listed | 30,000 req/mo |
| Embeddings | Not listed | Usage-based |
| Email support | Not listed | |
| Phone support | Not listed | |
| Slack support | Not listed | |
| Technical Account Team | Not listed | |
| Instructor-led jumpstart training | Not listed | |
| Availability | Not listed | 99.5% |
| Severity 1 response time | Not listed | 1 business day |
| Cluster upgrades | Not listed | Weaviate-managed |
| Cloud Service Provider | Not listed | GCP, AWS |
| Regions | Not listed | Limited (7) |
| Minimum | Not listed | $45 / month |
| Vector dimensions | Not listed | from $0.00465 / 1M |
| Backup | Not listed | from $0.03036/ GiB |
| Data transfer | Not listed | Free for promotional period |
Storage
- MongoDB Atlas
- Not listed
- Weaviate Cloud
- from $0.12 / GiB
Contract
- MongoDB Atlas
- Not listed
- Weaviate Cloud
- Monthly (Pay-as-you-go)
Deployment type
- MongoDB Atlas
- Not listed
- Weaviate Cloud
- Shared
Object limit
- MongoDB Atlas
- Not listed
- Weaviate Cloud
- Unlimited
Collection limit
- MongoDB Atlas
- Not listed
- Weaviate Cloud
- 1000
Hybrid search
- MongoDB Atlas
- Not listed
- Weaviate Cloud
Backup retention
- MongoDB Atlas
- Not listed
- Weaviate Cloud
- 7 days
Flexible index types
- MongoDB Atlas
- Not listed
- Weaviate Cloud
Vector compression
- MongoDB Atlas
- Not listed
- Weaviate Cloud
HA / replication
- MongoDB Atlas
- Not listed
- Weaviate Cloud
Multi-tenancy
- MongoDB Atlas
- Not listed
- Weaviate Cloud
RBAC
- MongoDB Atlas
- Not listed
- Weaviate Cloud
SSO / SAML
- MongoDB Atlas
- Not listed
- Weaviate Cloud
Bring your own IdP
- MongoDB Atlas
- Not listed
- Weaviate Cloud
HIPAA compliant
- MongoDB Atlas
- Not listed
- Weaviate Cloud
PrivateLink (AWS)
- MongoDB Atlas
- Not listed
- Weaviate Cloud
Encrypted volumes (customer keys)
- MongoDB Atlas
- Not listed
- Weaviate Cloud
Metrics endpoint
- MongoDB Atlas
- Not listed
- Weaviate Cloud
Console metrics
- MongoDB Atlas
- Not listed
- Weaviate Cloud
Query Agent
- MongoDB Atlas
- Not listed
- Weaviate Cloud
- Free tier + usage-based
Query Agent rate limits
- MongoDB Atlas
- Not listed
- Weaviate Cloud
- 30,000 req/mo
Embeddings
- MongoDB Atlas
- Not listed
- Weaviate Cloud
- Usage-based
Email support
- MongoDB Atlas
- Not listed
- Weaviate Cloud
Phone support
- MongoDB Atlas
- Not listed
- Weaviate Cloud
Slack support
- MongoDB Atlas
- Not listed
- Weaviate Cloud
Technical Account Team
- MongoDB Atlas
- Not listed
- Weaviate Cloud
Instructor-led jumpstart training
- MongoDB Atlas
- Not listed
- Weaviate Cloud
Availability
- MongoDB Atlas
- Not listed
- Weaviate Cloud
- 99.5%
Severity 1 response time
- MongoDB Atlas
- Not listed
- Weaviate Cloud
- 1 business day
Cluster upgrades
- MongoDB Atlas
- Not listed
- Weaviate Cloud
- Weaviate-managed
Cloud Service Provider
- MongoDB Atlas
- Not listed
- Weaviate Cloud
- GCP, AWS
Regions
- MongoDB Atlas
- Not listed
- Weaviate Cloud
- Limited (7)
Minimum
- MongoDB Atlas
- Not listed
- Weaviate Cloud
- $45 / month
Vector dimensions
- MongoDB Atlas
- Not listed
- Weaviate Cloud
- from $0.00465 / 1M
Backup
- MongoDB Atlas
- Not listed
- Weaviate Cloud
- from $0.03036/ GiB
Data transfer
- MongoDB Atlas
- Not listed
- Weaviate Cloud
- Free for promotional period
Showing 15 of 36
Which database providers fit your needs?
MongoDB Atlas features & plan notes
- Document model
- Atlas Search
- Vector search
Weaviate Cloud features & plan notes
- Built-in vectorizers
- GraphQL
- Pay-as-you-go, monthly, no commitment.
- Shared cloud cluster with full core DB toolkit + replication.
- Baseline security with RBAC.
- Highly available clusters — 99.5% uptime.
- Query Agent free tier + usage-based; Embeddings usage-based.
- Standard support — next-business-day Sev 1
How to compare database providers
Start with the engine and workload: relational databases, vector indexes and Redis services are not interchangeable. Storage estimates do not include unlisted compute, query, replication or network charges. Check backup retention, regions and scaling behavior.
Browse Databases & Vector pricing