Luciano Ayres

The Executive AI Brief

The evidence behind your next AI decision.

What changed in enterprise AI, what it means and what to do next, every weekday, backed by live data and real company results.

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Every call is graded Act now, Evaluate or Monitor, across the brief, the numbers and the casebook.

Latest calls · · 8 min read

AI Spending Concentration and Stolen AI Keys

Ramp finds record corporate AI spending led by a few firms, Google opens Gemini 4 Carbon before a price rise, and Railway details $740,000 in stolen AI key use.

Leaders should treat AI keys like cash and benchmark spending against peers.

  1. Act nowAI Security. Railway says attackers targeted AI provider keys stored on its platform and spent about $740,000 on them; CISOs and CTOs should rotate AI keys and cap their spend.
  2. EvaluateAI Economics. Ramp's data shows AI usage growing faster than spending as token prices fall, with customer support rising to 13.3% of tracked spend; CFOs and CIOs should check whether their AI budgets follow the unit-cost decline.
  3. EvaluateFoundation Models. Gemini 4 Carbon is now available to paying developers and enterprises at $2 per million input tokens until November 30, then $4; CTOs have a short window to test it at the lower price.

Read the full briefPrevious: AI Capital Bets and Mandatory AI Safeguards

Where enterprise AI stands · Edition of November 10, 2026

Only one lab now sits at the AI frontier: Epoch AI's index on November 9 puts Anthropic's Claude Fable 5.2 ahead, with no rival within statistical reach.

Keep model contracts portable, broaden AI search work beyond one assistant, and plan for more capacity.

Read the edition note

Ask the data

43 indicators, each with its source · All indicators

The Enterprise AI Casebook

What worked elsewhere, with the receipts.

Real organizations, the result they measured, and how far you can trust it.

  • 16 cases
  • 7 proven
  • 5 promising
  • 4 mixed results
Browse all cases

From the editor · Field Notes

The view from someone who has done it.

Essays, practical articles, quick takes, predictions on the record and the resources I actually use.

All field notes

Essay2 min read

Code was never the bottleneck.

AI is great at building software right. It can't tell you whether you're building the right thing. Why verification and validation are different questions, and why the second matters more now.

On the horizon

Dates to plan for.

Rules that start to apply, and the outlook on what comes next.

  1. European UnionEU AI Act deadline to mark AI-generated content from existing systems
  2. European UnionEU AI Act bans AI-generated non-consensual intimate imagery
  3. California, United StatesCalifornia rules for automated decisionmaking technology apply

All regulatory dates · 7 model retirements ahead

How to keep up

A rhythm built for busy leaders.

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