Commercially availability will coincide with the Professional Developer Conference 2009 (November 17-20, 2009). There is currently a free Community Technology Preview (CTP).
Commercial Pricing for the 3 Azure Components:
- Compute @ $0.12 / hour
- Storage @ $0.15 / GB stored
- Storage Transactions @ $0.01 / 10K
- Web Edition – Up to 1 GB relational database @ $9.99
- Business Edition – Up to 10 GB relational database @ $99.99
- Messages @ $0.15/100K message operations, including Service Bus messages and Access Control tokens
Bandwidth across all three services will be charged at $0.10 in / $0.15 out / GB. Storage is metered in units of average daily amount of data stored (in GB) over a monthly period. Microsoft is also providing a service level agreement covering uptimes and more.
For those who find the usage based pricing somewhat complex and unpredictable, subscription plans will be announced at launch time and there also will be a variety of promotional offers. As always there are more technical details at http://www.azure.com.