#ai-cost-management

Identical dollar-per-million pricing does not mean identical cost: tokenizers split the same text into different counts. A vocabulary reference table.

Price-change notice is a contract term, not a courtesy, and the periods range from a fortnight to none at all. What to check before committing model spend.

Introductory Gemini Flash pricing is published through 31 December, then steps up. What paid-media teams should rewire and move to batch before it changes.

Every vendor names its reasoning-effort settings differently and the rungs do not line up. What the ladders look like, and where thinking cannot be disabled.

Crossing a context threshold can reprice an entire request, not just the tokens above the line. Where the cliffs sit and how to keep prompts underneath.

Time-of-day LLM pricing is arriving, and a cheaper window is not the same as a cheaper bill. How the announced schedules and peak hours actually work.

Gemini 3.6 and 3.7 Flash both bill $0.75/$3.75 until December 31, with $1.50/$7.50 posted for January. Budget at the standard rate, not the promo.

The 10 million figure combines Codex and ChatGPT Work, is a company estimate, is unaudited, and defines no activity period. What to demand from a vendor number.

Anthropic paused the planned June 15 Agent SDK credit change — it never took effect. Agent SDK and claude -p still draw from your subscription as before.

Forecast monthly LLM token spend by client tier, workflow, model mix. Downloadable forecasting model + reconciliation cadence for agency CFOs.

Production LLM agent cost attribution — per-user, per-task, per-tenant burn-down patterns, token accounting, and agency margin protection for 2026 deployments.