Revolut cut what it spends on AI coding agents by about 90% in less than a year.
And its 2,000 engineers now use the agents for more work than before.
Before the change, some engineers spent $1,000 to $10,000 a month on agents
Revolut now pays about $0.30 per million tokens, roughly a tenth of Claude Code or Codex
Coding time improved by 60% and lead time by 70%
The same week, Goldman Sachs took Claude Code away from its traders and Apple cut some engineers' daily AI budget.
How does an AI bill grow? An agent is billed by the token, about three quarters of a word. Every step resends your files, its command output and the whole conversation, so the bill grows with every file it reads and with the model you pick.
📚 By the end of this guide you'll know how to cut what your startup spends on AI tokens, for your engineers and for your product, with 5 Claude skills that find the savings and set them up for you.
Inside you will find:
How Revolut Cut Its Coding Bill by 90%
See the four moves behind the cut and the ones a startup can copy this week.How to Find Where Your Agent Money Goes
Run a spend audit on your team and find the three biggest leaks in an hour.How to Send Every Task to the Cheapest Model That Can Do It
Set a cheap model as the default and call Opus only when the task needs it.How to Pick Between a Flat Plan and Paying per Token
Find out which plan costs less for each engineer, based on how they work.How to Cut Your Product's AI Bill and Protect Your Gross Margin
Measure what every customer action costs you and cut it with caching, batching and a cheap-first cascade.
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1. How Revolut Cut Its Coding Bill by 90%
David Abitbol leads AI operations at Revolut, the European digital bank with 80 million customers. He told the whole story in a 12-minute talk at the AI Engineer conference in New York.
