Which is cheaper, Azure Cosmos DB or Google Firestore?

Azure is cheaper in 1 of 3 comparable categories, with an average price difference of 41.6%.

How do Azure Cosmos DB and Google Firestore compare for general purpose workloads?

Both providers offer competitive pricing for general purpose workloads.

Updated Apr 4, 2026AzureGCP

Overall Winner

Azure

Azure Wins

GCP Wins

Ties

Azure wins 1 of 3 price comparisons, averaging 41.6% lower prices in categories where it leads.

Prices range from $0.0764/hr to $1.14/hr across comparable tiers.

Choose Azure

Best for Databases workloads

Comparing Azure Cosmos DB and Google Firestore across 3 equivalent tiers. On-demand hourly rates are shown in USD for the default region.

Sort by:

Category	Azure Azure Cosmos DB	GCP Google Firestore	Diff	Cheapest
Databases - 2 vCore - burstable - vCore	$0.0764/hr 2 vCore - burstable - vCore ($55.77/mo)	$0.1400/hr 214C-4BBA-CEC4 ($102.20/mo)	+45.4%	Azure
Databases - D2s - D2s	$0.1900/hr D2s - D2s ($138.70/mo)	$0.1900/hr 0536-41E7-3A0A ($138.70/mo)	0.0%	Tie
Databases - Azure_Cosmos_DB_for_MongoDB_Worker_Node_8vCore - vCore	$1.1430/hr Azure_Cosmos_DB_for_MongoDB_Worker_Node_8vCore - vCore ($834.39/mo)	$0.2360/hr 00E7-ECDD-F50E ($172.28/mo)	+79.4%	GCP