MongoDB Atlas Vector Search vs LanceDB Pricing (2026)

MongoDB Atlas Vector Search vs LanceDB

Vector Databases pricing comparison · 2026

MongoDB Atlas Vector Search pricing ranges from $0–$33.26/per hour, while LanceDB ranges from $0–$1000/month. MongoDB Atlas Vector Search is typically 99% more affordable, though your actual cost depends on tier and team size.

Vector Databases

MongoDB Atlas Vector Search

$0–$33.26
/per hour
4 plans · Free tier
Full pricing breakdown →
VS
Vector Databases

LanceDB

$0–$1000
/month
3 plans · Free tier
Full pricing breakdown →

MongoDB Atlas Vector Search and LanceDB both operate in the vector databases category. This page compares their list pricing.

Plan-by-Plan Pricing

Plan MongoDB Atlas Vector Search LanceDB
M0 Free Free /month Free /month
Shared (M2/M5) $9 /month Free /month
Flex $8 /month Custom
Dedicated (M10+) Custom

Cost at Scale

Total cost of ownership — licenses, implementation, and hidden costs included.

MongoDB Atlas Vector Search

5 scenarios
$0/month
Hobby / Development Project (M0 Free)
$8/month
Small Team (Flex Plan)
starting
$9/month
Small Team (Shared Cluster)
See all 5 scenarios →

LanceDB

3 scenarios
$0
Open-Source Self-Hosted (Small Team)
LanceDB + ~$50–$200/month cloud infra
$50
LanceDB Cloud (Mid-Sized AI App)
$200/month (estimated, usage-based)
$2,000
Enterprise (Large-Scale Production)
$10,000/month (annual commit, contact sales)

Hidden Costs

Beyond the sticker price — what catches buyers off guard.

MongoDB Atlas Vector Search 2 hidden costs

medium
Unpredictable Scaling Costs 5-15% of license costs
high
Dedicated Cluster Cost Cliff $600-$700/month
See all MongoDB Atlas Vector Search hidden costs →

LanceDB 4 hidden costs

medium
Cloud Storage Egress Costs $50–$500/month for production workloads
medium
Enterprise Annual Commit Lock-In Annual commit, exact amount depends on negotiated deal
high
Embedding Model Costs Not Included $0.0001–$0.0002 per 1K tokens (OpenAI ada-002)
low
Limited Public Pricing Transparency Requires sales conversation to get exact rates
See all LanceDB hidden costs →