MongoDB Atlas Vector Search
Combine operational document data and vector search in the same MongoDB cluster.
Category: Development & Code · Databases, vector search & SQL
Features
MongoDB Atlas Vector Search integrates vector search directly into MongoDB. Operational data, metadata, and embeddings reside in the same cluster; ANN, ENN, hybrid search, native reranking, and automated Voyage embeddings are supported.
M0 Free provides 512 MB, 100 ops/s, and 3 vector indexes. Flex provides 5 GB for at most 30 USD per month. Automated Embedding includes 200 million tokens one-time; afterwards, Voyage-4 costs 0.06 USD, Voyage-4-lite 0.02 USD, and Voyage-4-large 0.12 USD per million tokens.
- Vector search, ANN, ENN, and hybrid search natively in the MongoDB cluster
- Native reranking for more precise search results
- Automated embeddings via Voyage models; one-time 200 million token allowance per organization
- Free M0 cluster: 512 MB, up to 100 operations/second, 3 vector indexes
- Flex cluster: 5 GB storage and up to 10 vector indexes for development
- Voyage-4 embeddings from 0.06 USD per million tokens; Voyage-4-lite from 0.02 USD
Prices and plans
| Tier | Price | Period | What you get |
|---|---|---|---|
| Atlas Free | free | Permanent | 512 MB storage Shared RAM and vCPU Up to 100 operations/second Maximum 3 search/vector indexes 1 free cluster per project |
| Atlas Flex | $0,011 / $30 | Hourly | 5 GB storage Shared RAM and vCPU with burst capacity Up to 10 search/vector indexes For development and testing Usage based |
| Atlas Dedicated | $0.08 / $56.94 | Hourly | 10 GB to 4 TB storage 2 to 768 GB RAM 2 to 96 vCPUs Production workloads Optional dedicated search nodes |
| Automated Embedding | 0,02-0,18 $ pro Million Tokens | Pay-as-you-go | One-time 200M free tokens per model and organisation Voyage 4 Lite $0.02/M Voyage 4 $0.06/M Voyage 4 Large $0.12/M Voyage Code 3 $0.18/M |
Limits
Vector Search itself works on the Free cluster; its meaningful limits are 512 MB, 100 operations/second, and three search/vector indexes. Automated Embedding is billed separately by token; each organisation receives one-time 200M free tokens per model that do not renew. MongoDB says text sent to the service is used only to generate embeddings, is not stored, and is not used for model training. Embeddings are stored in the customer's own database. MongoDB hosts the models in a US Google Cloud region; cluster, egress, and optional Search Node costs remain separate.
Similar tools
FAQ
Is MongoDB Atlas Vector Search available for free?
Yes. A permanently free plan is published, not a time-limited trial. 512 MB, 100 operations/second, and 3 search/vector indexes.
Where is MongoDB Atlas Vector Search's vendor based?
MongoDB, Inc., based in USA. For data processing and privacy terms the vendor's own contract governs.
Is MongoDB Atlas Vector Search still active?
Active Atlas Free, Flex, and Dedicated offers with integrated Vector Search.
How many plans are documented for MongoDB Atlas Vector Search?
The catalog documents 4 plans with price, billing period, and included features.
Which use case is MongoDB Atlas Vector Search categorized for?
MongoDB Atlas Vector Search is listed in the catalog under “Development & Code.”
Where do the details about MongoDB Atlas Vector Search come from?
Prices, limits, and product details are documented against the listed official vendor page.
How we compare
We compare free access, paid entry, plan limits, features and the listed official sources. Unsourced figures stay marked as not published.
Only confirmed entries appear in the catalog. Prices, plans and limits come from listed official vendor pages. Missing figures stay marked as not published. Result lists are alphabetical by default and can be switched to Free access first; neither is a quality ranking. The vendor page always wins.
Edited and checked by the AI Compare team
Sources
- https://www.mongodb.com/pricing
- https://www.mongodb.com/docs/atlas/atlas-vector-search/tutorials/vector-search-quick-start/
- https://www.mongodb.com/docs/search/deployment/feature-compatibility/
- https://www.mongodb.com/docs/vector-search/crud-embeddings/automated-embedding/billing/
- https://www.mongodb.com/docs/vector-search/crud-embeddings/automated-embedding/overview/
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