Question 1

Should an AI product charge per seat or per usage?

Accepted Answer

It depends on how evenly your users consume tokens. A flat per-seat price is simple to sell and gives customers a predictable bill, but because the underlying LLM cost is usage-based, a per-seat plan quietly overcharges light users and loses money on heavy ones. If most users are light and only a few are heavy, per-seat can be very profitable — the light majority subsidizes the heavy minority. If usage is spread evenly or skewed toward power users, per-seat pricing bleeds, and usage-based or a hybrid with an included allowance plus overage protects the margin. This calculator shows the margin under a flat seat price given a light/heavy usage split so you can see which way your particular user base leans.

Question 2

What is a power user and why do they lose money?

Accepted Answer

A power user is someone whose token consumption pushes their raw API cost above the flat price you charge them. Under seat-based pricing everyone pays the same, so a user who runs ten times the average number of requests costs you ten times as much while paying the same seat fee — every extra request past the break-even is a direct loss. The break-even usage is simply the seat price divided by your blended cost per request: consume more than that and the account is underwater. A healthy seat-based plan needs the average user to sit well below break-even so the loss-making tail is covered by the profitable majority.

Question 3

How does a hybrid included-allowance plan work?

Accepted Answer

A hybrid plan charges a flat base fee that includes a generous but bounded allowance of usage, then bills overage per unit above it. It keeps the simplicity buyers like for the common case while capping your downside on power users, who pay for what they consume past the allowance. The art is setting the allowance high enough that the vast majority never see an overage line — so the plan still feels flat — while low enough that genuine power users cross it and cover their own cost. Set the allowance near the break-even usage this calculator reports, and you get predictable bills for most and protected margin on the tail.

シートベースと使用量ベースの料金計算ツール

リクエストにかかる費用

使用量の分割 (リクエスト/ユーザー/月)

シートと使用法とハイブリッド、並べて表示

使用量ベースの定額料金はユーザー分布に賭けます

この計算機の仕組み

よくある質問

AI 製品はシートごとに課金する必要がありますか? それとも使用ごとに課金する必要がありますか?

パワーユーザーとは何ですか?なぜ彼らはお金を失うのでしょうか?

ハイブリッド手当込みプランはどのように機能しますか?