The lock-in trap
Two years ago, AI providers were interchangeable. Now Anthropic's Claude Projects, OpenAI's ChatGPT Memory, and Google's Workspace AI all build proprietary memory layers your team starts depending on. At year-end renewals, you can't credibly threaten to switch — institutional AI knowledge is trapped inside the provider. The price negotiations all go the wrong way.
Why a CTO is the right buyer
This decision crosses Engineering, Security, FinOps, and Legal. The CTO is the only role that sees all four lenses: the engineering productivity gain (cross-IDE handoff, org-wide de-dup), the security posture upgrade (audit trail, anomaly detection), the FinOps win (per-team cost attribution), and the legal protection (SOC 2 / EU AI Act evidence). Other buyers see one slice; the CTO sees the whole pattern.
30-day outcomes after deployment
Day 1: MCP server deployed across all engineers via MDM. Day 7: 100+ receipts/day flowing. Day 14: org_context_lookup hits start showing up in conversations ("Sarah did this last week"). Day 21: first anomaly alert fires on a runaway autonomous loop. Day 30: first cost-attribution report by team. The leading indicator is receipt count; the lagging indicator is de-dup hit rate.
60-day outcomes
Day 31-60: institutional memory compounds. The org_context_lookup hit rate climbs from ~5% to ~18% as the receipt pool grows. Engineers start citing "see receipt rcpt_…" in PRs and Slack. The compliance team produces the first SOC 2 evidence pack from receipts (a task that previously took weeks).
90-day outcomes
Day 61-90: the agent transfer is exercised on the first leaver. Tom inherits Sarah's 4 months of work + memory snapshots; ramps up in 1.5 weeks instead of the historical 6-8. The cross-provider handoff is exercised when the org adds Gemini-for-Workspace; the Claude → Gemini migration takes 1 day instead of the projected 1 quarter.
Renewal-time negotiating leverage
At Anthropic / OpenAI renewal: your spend is broken out by team / project / usage pattern. You know exactly which patterns you could move to a cheaper provider. The threat is credible because the AI work history is portable. You walk into the negotiation with leverage you didn't have before; typical procurement teams report 15-25% discount improvements after the data becomes available.