How to Stop Runaway AI Agent Spend
Why agents burn budget in minutes: loops, retry storms, context bloat and fan-out. The per-run caps, step limits and kill switches that actually stop it.
August 18, 2026 · Spendline · AI agents, cost control, budget enforcement, FinOps, engineering
LLM Budget Enforcement: Alerts, Approvals, and Hard Caps
How to enforce LLM budgets before the provider call: the org, team, agent and customer hierarchy, block vs reroute vs approval, and the check-then-act race.
August 11, 2026 · Spendline · budget enforcement, FinOps, AI governance, engineering
Anthropic API Pricing: What Claude Actually Costs and How to Control It
Anthropic API pricing per model, what really drives your Claude bill, a worked monthly example, and how to attribute and cap spend before the call.
August 7, 2026 · Spendline · pricing, Anthropic, FinOps, cost control
How to Track LLM Costs Per Customer
Learn how to tag, meter, price and reconcile every LLM request so you can calculate AI cost and gross margin by customer.
August 4, 2026 · Spendline · cost attribution, FinOps, engineering
FOCUS 1.4 Made Token Spend Official. That's Not the Same as Making It Legible.
FOCUS 1.4 makes tokens a billing object. What the spec changes for vendors, and the attribution gap it leaves for finance teams.
June 14, 2026 · Spendline · FinOps, FOCUS, token spend, governance
AI Gateway, LLM Observability, or AI Spend Governance: What Each Layer Actually Does
What AI gateways, LLM observability, and spend governance each do, where they overlap, and how the three layers stack together.
May 2, 2026 · Spendline · FinOps, tooling, architecture
AI COGS vs R&D: A CFO's Decision Tree for Classifying AI Spend on the P&L
When is AI inference COGS and when is fine-tuning R&D? A practical decision tree for classifying AI spend on the income statement.
May 1, 2026 · Spendline · finance, accounting, FinOps
The AI Month Close: How Finance Teams Reconcile LLM Spend Like Any Other COGS Line
How finance teams close the books on AI spend: the four-step reconciliation process and the controls auditors will eventually expect.
May 1, 2026 · Spendline · finance, month close, FinOps
AI Has Broken SaaS Unit Economics
When inference becomes COGS, ARR is no longer enough. You need contribution margin by customer, workflow, and request.
May 1, 2026 · Spendline · finance, unit economics, FinOps