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Milian Lastre ZequeiraEN
Engineering· Engineering and product· 2026

Cutting the AI bill for engineering teams

A service for teams overspending on AI. I look at where the money goes, move work to cheaper models and cache the answers that repeat.

LLM APIsPrompt cachingModel routingOllama (local)Token budgets
Concept view

Token prices fell sharply in 2026, and yet enterprise AI bills climbed anyway: usage grew faster than the unit cost dropped. I packaged that pain into a FinOps service for engineering teams.

The problem

Teams that live on coding assistants and production LLM inference watch the bill grow without knowing what drives it. It isn't a price-per-token problem; it's a usage-architecture problem.

The approach

The core is a waste-driver taxonomy — what the audit hunts:

  • Model over-selection → a model-tiering policy + routing (small model where it's enough).
  • No prompt caching → restructure for cache hits (stable prefix).
  • Runaway agentic loops → max-turn caps and cheap sub-models for sub-agents.
  • No visibility → per-dev/team quotas, alerts, and a dashboard.
  • Cloud-only for everything → hybrid routing to local models for eligible tasks.

On top of that I built the offering (audit → reduction sprint → fractional FinOps) and a landing page.

The result

My own bill, running a hybrid local↔cloud stack on a consumer GPU, is the case study: every percentage I report is measured, never invented.

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