"write my bio" prompt → "cold email" name: serge </> skill.md { run() }
MK
Marketing & Growth
Campaigns, SEO, Ads
LG
Legal & Finance
Contracts, CFO, Tax
Skill .md
For any AI
SK
AI Agents
End-to-end tasks
AG
Your inputs

Your monthly token waste will appear here.
Fill in your usage, then click Calculate.

Want to stop the waste, not just measure it?
Turn your AI into the prompt engineer who fixes this.
Noor, the Prompt Engineer Skill, turns Claude, ChatGPT, or any AI chat into a senior prompt engineer — production prompt design, eval harnesses, and token/cost/latency optimization built in. No prompting expertise needed.
See the Prompt Engineer Skill →

What is an AI token cost calculator?

An AI token cost calculator estimates how many tokens — and how much money — you spend on ChatGPT, Claude, or any AI chat, based on how you actually use it. This free ai token cost calculator focuses on one specific and very common source of waste: re-pasting the same role, format, or brand-voice instructions into the chat every single message instead of loading them once.

Enter how many conversations you start per day, how many follow-up messages each one has, and roughly how long the context you repeat is. The calculator estimates your monthly wasted tokens, what that costs at typical paid-API pricing (around $3 per million input tokens, blended across major models), and how much of that waste disappears once that same context lives in a persistent skill file or project instructions instead of your clipboard. Switch to team mode to see the same math scaled across a whole team's AI usage — often the bigger number.

Measuring the waste is the first step. Noor, the Prompt Engineer Skill on KissMySkills, turns Claude, ChatGPT, or any AI chat into a senior prompt engineer who designs the reusable, production-ready prompts and skill files that stop this waste for good — no prompt-engineering background required.