Topic

Buying AI software: diligence, shortlists, and the meter you cannot see

On a consumption contract the vendor usually defines the billable unit, measures it with its own system, and holds the only full record, so the questions that matter are about counting and stopping rather than features. The material here covers the diligence set, how shortlists get built, and the audit rights to write in before signature.

Decision rule. Ask who can stop the spend at two in the morning. If the answer is the vendor, you have not finished negotiating.

Evidence behind this topic6 issues, 3 research themes, 2 frameworks, 3 datasets, 3 playbooks, 2 definitions. Decision rule: Ask who can stop the spend at two in the morning. If the answer is the vendor, you have not finished negotiating.THE EVIDENCE STACK6issues3research themes2frameworks3datasets3playbooks2definitionsDECISION RULEAsk who can stop the spend at two in the morning. If the answer is the vendor, you have not finished negotiating.

What to look at first

  • The billable unit, defined in the contract and not the datasheet
  • Audit rights and record retention on consumption data
  • Written kill criteria with a date attached

Issues

Research

Frameworks

Definitions

  • Kill Criteria

    Kill criteria are the fail conditions written into an AI contract before signature: the metric, the floor, the date it is measured, and the consequence for a miss. Without them a failed pilot becomes a two-quarter argument.

  • The Proof Gap

    The Proof Gap is money spent on AI with nothing attributable behind it. Tools were bought, pilots ran, time savings were reported upward, and revenue still cannot be tied to any of it. The Revenue AI Report exists to close it.

Open data

  • Vendor Cost Per SQL

    Cost per sales-qualified lead by AI vendor category, compiled from panel-submitted spend and CRM-verified SQL counts. Methodology, schema, and CSV access. Free download, no signup, CC BY 4.0.

  • The Tool Saturation Map

    AI vendor density by revenue category: how many vendors compete in each seat and motion, and how the count is moving. Methodology, schema, and CSV access. Free download, no signup, CC BY 4.0.

  • The Reversal Ledger

    The full Reversal Ledger dataset. Every named AI rollback, shutoff, or reversal by a B2B revenue team, with reason code and disclosed cost. Downloadable CSV, CC BY 4.0. Free download, no signup, CC BY 4.0.

Playbooks

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