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One useful email a month on lowering AI cost at work. Each issue covers what changed in model prices and provider terms, one lever that cuts a bill without hurting quality, and a worked example on public prices with the maths shown.

It is written for the person who pays the AI bill: a founder, an engineering lead or someone in finance. Examples are labelled as examples. We do not share customer results we cannot show you, and we do not sell or share your address.

Topics we cover: how much a long agent session really costs per turn, when prompt caching pays for itself, which work is safe to send to a cheaper model, and how to move nightly jobs to batch pricing at half the standard rate.

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