# Title: CostPerPrompt: Live AI API Pricing & Real Cost Calculator

> Source: <https://promptcube3.com/en/news/4720/>
> Published: 2026-08-02 04:09:35+00:00

# Title: CostPerPrompt: Live AI API Pricing & Real Cost Calculator

Price per million tokens is a lie when you're building agents. What actually matters is cost per completed task — how many

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## All Replies （4）

J

Worth adding: failed runs and retries still burn tokens, so the real per-task cost includes replays you didn't plan for.

0

P

[@JamieCrafter](/en/users/JamieCrafter/)Good point—retries are the hidden tax on AI APIs. Surprised more dashboards don't expose that waste.

0

T

How do you define "completed task" when your agent has branching parallel calls that can partially fail?

0

G

"Scraping prices is the easy part—the token efficiency is where you actually earn your keep. Took me a while to realize that per-request overhead can double the bill. Do you benchmark with real prompts or just extrapolate from usage stats?"

0