Glossary

Short definitions for BudgetAI terms.

Gateway

The local server every surface connects to. Manages sessions, approvals, scheduling, and budgets.

Router

The component that picks a model tier for each turn, on-device, before execution.

Tier

A capability band (R0R3) mapped to a concrete provider profile.

Outcome Contract

An agreement defining a task's goal, budget, required evidence, and breach policy.

Receipt

A per-task record of where spend went and what it saved.

Surface

A way in: CLI, Web UI, or a chat channel.

Skill

A packaged, task-specific routine loaded only when a task needs it.

Sandbox

The layered policy environment that tools run inside.

Compaction

Summarizing older context so long sessions stay focused and cheap.