Main version (about 220 words)
Your AI subscription is quietly turning into a fuel bill.
In the space of a month, every major AI vendor made the same move.
Microsoft ended Copilot Cowork's free preview. From 1 July it bills on consumption.
OpenAI shifted its Excel, Sheets and workspace agents to token billing on 6 July, with PowerPoint free only until 6 August.
Anthropic pulled its flagship Fable 5 model out of paid subscriptions entirely. From next week it is usage credits or nothing, even for Pro subscribers.
Three vendors, one month, one message. AI is not software. It is a utility.
For twenty years software was a fixed cost. One licence, one price, use it as much as you like. Every SME budget is built on that assumption. Usage pricing breaks it. AI is now a variable input cost, like diesel or electricity. And variable costs reward the businesses that measure them.
So treat it like one.
Log time saved per task. Know your value per dollar before the meters tighten.
Set per-seat caps the way you run fuel cards. One developer copped a US$180 bill in the first month of GitHub Copilot's switch.
Match the model to the task. Do not pay flagship rates to draft an email.
The operators who knew their fuel burn per job handled the March diesel spike best. The same discipline now applies to AI.
Suggested first comment (sources)
Microsoft Copilot Cowork moved from free preview to consumption billing, with charges starting 1 July 2026 for preview users. OpenAI moved Excel, Sheets and Workspace Agent features to token billing on 6 July, with PowerPoint generation free for Business workspaces until 6 August. Anthropic removed Fable 5 from Pro, Max, Team and Enterprise subscriptions, with promotional access ending 12 July after an extension, and usage credits required after that. GitHub Copilot also moved to usage-based billing, with early bill shock reported by developers.
Verify before posting
- The Fable 5 cutoff has already moved once. Anthropic originally set 8 July, then extended to 11.59pm PT on 12 July after backlash, and says it hopes to eventually restore it as a subscription benefit. Check the date has not shifted again before the post goes out, and adjust "from next week" to match.
- The US$180 figure is one developer's reported GitHub Copilot bill for June (Visual Studio Magazine), not a typical outcome. It is framed as a single case in the draft, keep it that way.
- No public per-credit dollar rate for Copilot Cowork appeared in the coverage I read. Microsoft points to usage forecasting calculators instead. Avoid quoting a Cowork price.
Notes
The fuel bill framing deliberately links back to the fuel surcharge post if they run in the same week. If they will be weeks apart, the closing line stands on its own.