Dated changes to enterprise AI agent pricing and billing, in GBP.https://agentcostledger.comen-gbhttps://agentcostledger.com/changelog/#2026-10-17-agentledger-v1https://agentcostledger.com/changelog/#2026-10-17-agentledger-v1First release. Prices for eight enterprise agent products checked against vendor pages on 17 Oct 2026. Where a vendor does not publish a figure, it is marked 'not published'.Sat, 17 Oct 2026 09:00:00 GMTAgentLedgerhttps://agentcostledger.com/changelog/#2026-10-14-copilot-business-ubb-1-dechttps://agentcostledger.com/changelog/#2026-10-14-copilot-business-ubb-1-decEffective 2026-12-01. New Microsoft 365 Copilot Business licences (including standalone offers and bundles) bought through a Cloud Solution Provider from 1 December 2026 will have pay-as-you-go billing enabled by default. The date moved from 2 November 2026. Default spending limit: 4,000 Copilot Credits per user per month, adjustable by admins (0 turns it off). Adding seats via the Partner Center portal also triggers it; existing subscriptions are unaffected. The UK is in the first wave: the initial exclusions are Australia, Belgium, Brazil, France, Germany, India, Italy, Korea, the Netherlands, Poland and Spain. Microsoft's update was dated 1 Oct with new assets added 14 Oct.Wed, 14 Oct 2026 09:00:00 GMTMicrosofthttps://agentcostledger.com/changelog/#2026-10-14-copilot-no-base-licencehttps://agentcostledger.com/changelog/#2026-10-14-copilot-no-base-licenceEffective 2026-12-01. New Microsoft 365 Copilot and Copilot Business offers can be bought without a qualifying Microsoft 365 base subscription from 1 December 2026, across all channels, at the same price. Current offers gain '(add-on)' in their names from 16 October and stop being sold through partners on 1 December. Existing subscriptions can still be renewed.Wed, 14 Oct 2026 09:00:00 GMTMicrosofthttps://agentcostledger.com/changelog/#2026-07-01-copilot-business-promohttps://agentcostledger.com/changelog/#2026-07-01-copilot-business-promoAnnual Copilot Business add-on subscriptions bought by existing Microsoft 365 Business customers between 1 July and 31 December 2026 get promotional pricing for the first year only. UK partners quote £13.80 against a £16.10 list price.Wed, 01 Jul 2026 09:00:00 GMTMicrosofthttps://agentcostledger.com/changelog/#2026-07-01-servicenow-legacy-eoshttps://agentcostledger.com/changelog/#2026-07-01-servicenow-legacy-eosStandard, Pro, Pro Plus, Enterprise and Enterprise Plus reached end of sale on 1 July 2026. They were replaced on 9 April 2026 by Foundation, Advanced and Prime, with Now Assist bundled in and usage metered in assists. Prices, pool sizes and assist rates are not published.Wed, 01 Jul 2026 09:00:00 GMTServiceNowhttps://agentcostledger.com/changelog/#2026-05-01-agent-365-gahttps://agentcostledger.com/changelog/#2026-05-01-agent-365-gaAgent 365 became generally available on 1 May 2026 at $15 per user per month (US list), or £11.50 in the UK, and is included in Microsoft 365 E7.Fri, 01 May 2026 09:00:00 GMTMicrosoft