Cohere vs MongoDB Atlas Vector Search
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Cohere starts at See pricing page and MongoDB Atlas Vector Search starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Command chat models
- Embed models
- Rerank API
- Private deployment
- Free trial keys
- Vector indexes in Atlas
- Hybrid text and vector search
- Voyage AI embeddings
- Automated embedding
- Document filtering
| Feature | Cohere | MongoDB Atlas Vector Search |
|---|---|---|
| Best for | Enterprise models for chat, embeddings and reranking with private deployment | Vector search built into MongoDB Atlas with Voyage AI embeddings |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | Cohere | MongoDB |
| Based in | Canada | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
Cohere starts at See pricing page and MongoDB Atlas Vector Search starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Trial
Free
- Free rate-limited API key
- For prototyping
Production
Pay per token
- Per-token pricing by model
- Higher rate limits
Model Vault
From $2,000 / instance / mo
- Dedicated managed model instances
- Hourly or committed billing
Enterprise
Contact sales
- Private deployments
- Integrates with Cohere North
4 plans
Free
Free
- 512 MB storage
- Shared RAM and vCPU
- Free forever
Flex
$0.011/hr, up to $30/mo
- 5 GB storage
- Shared RAM and vCPU
- Billed by ops/second tier
Dedicated
From $0.08/hr
- 10 GB to 4 TB storage
- 2 GB to 768 GB RAM
- Starts at about $57/mo
Enterprise Advanced
Contact sales
- Self-managed MongoDB
- Search and Vector Search add-on
- Consultative support
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Cohere
- Strong reranking and embeddings
- Private deployment options
- Free trial key
- Trial keys barred from production
- Chat models trail top rivals
- Enterprise pricing not public
MongoDB Atlas Vector Search
- No separate vector store
- Strong embedding models included
- Free tier for testing
- Best if you already use MongoDB
- Search nodes add cost
- Some features in preview
Which one should you choose?
Choose Cohere if you want:
- Strong reranking and embeddings
- Private deployment options
- Free trial key
Watch out: trial keys barred from production.
Choose MongoDB Atlas Vector Search if you want:
- No separate vector store
- Strong embedding models included
- Free tier for testing
Watch out: best if you already use mongodb.
Cohere vs MongoDB Atlas Vector Search FAQ
What is the difference between Cohere and MongoDB Atlas Vector Search?
Cohere: Enterprise models for chat, embeddings and reranking with private deployment. MongoDB Atlas Vector Search: Vector search built into MongoDB Atlas with Voyage AI embeddings. Both are models & apis tools.
Is Cohere or MongoDB Atlas Vector Search cheaper?
Cohere starts at See pricing page and MongoDB Atlas Vector Search starts at See pricing page. Check both pricing pages for current plans.
Do Cohere and MongoDB Atlas Vector Search have free plans?
Cohere: Yes. MongoDB Atlas Vector Search: Yes.
Who makes Cohere?
Cohere is made by Cohere, based in Canada.
Who makes MongoDB Atlas Vector Search?
MongoDB Atlas Vector Search is made by MongoDB, based in United States.
Which should I choose, Cohere or MongoDB Atlas Vector Search?
Choose Cohere if you value strong reranking and embeddings and private deployment options. Choose MongoDB Atlas Vector Search if you value no separate vector store and strong embedding models included.