Choose how to pay
Online checkout uses PayPal, but you do not need a PayPal account. At checkout, choose the option to pay by debit or credit card and continue as a guest. Larger organizations can instead send us a purchase order in GBP and pay by invoice.
Compare editions
Each license is for one individual user. Online checkout is available in GBP, USD, and EUR.
Build and explore
Bayes Server 11 Professional, UserInterface
Model builder desktop license for users who need the Bayes Server user interface.
£550.00
Plus VAT where applicable
- Desktop model builder
- Individual user license
- Visual model development
Purchase user interface
Most flexible
Build into software
Bayes Server 11 Professional, UserInterface, API
The complete individual license for model building and integrating the API into your own software.
£1,100.00
Plus VAT where applicable
- Everything in the user interface
- Developer API access
- Use API functionality in your product
Purchase complete license
Develop and integrate
Bayes Server 11 Professional, API
Developer license for teams embedding Bayes Server mathematical AI capabilities into their own software.
£550.00
Plus VAT where applicable
- Developer API access
- Individual developer license
- Deploy functionality in your product
Purchase API license
The API is sold per developer. You are free to use the functionality of the Bayes Server API within your own product without requiring further licenses.
Enterprise procurement
Need to purchase by invoice?
Organizations that prefer not to pay online can send us a purchase order in GBP. We will issue an invoice with instructions for BACS or international bank transfer.
Licenses are perpetual for version 11, include free minor upgrades, and can take up to 24 hours to be issued.