Free workbench · no account needed
Make sense of
your AI bill.
See which projects drive your API spend. Turn a usage file into a clear cost breakdown, without connecting your keys.
Working data stays in your browser.
New here?
Your first result, one step at a time.
- 1
Explore a sample bill
See how $140 splits across two projects.
- 2
Prepare your usage file
Match the columns and use amounts actually billed.
- 3
Review the monthly pace
Check assumptions, then download a cost breakdown.
ModelMeter workbench
From usage file to cost review.
How do I prepare my provider export?
Make a copy. Rename or map columns to the headers shown below. Each row can be one request or a non-overlapping total. Enter the actual billed amount in USD, including the charges you want to review.
project,provider,model,requests,input_tokens,output_tokens,billed_usd Support,Example,Model A,100,20000,5000,0.45
The current tool does not automatically map provider-specific exports. Remove API keys, prompts and personal data.
One row per request or disjoint aggregate. Do not mix overlapping totals or currencies. Remove keys, prompt text and personal data. Up to 10,000 rows / 1 MB.
What to do with this result
Start with the largest project. Check whether the period is complete and the budget reflects your actual plan.
One optional question
In the past 30 days, how many times did you reconcile AI bills across more than one provider?
Clicking sends only your anonymous choice. You can skip this and keep using the tool.
Help shape what comes next
Cost review subscription
A proposed subscription for recurring multi-provider imports, project budgets and change alerts. The local CSV review works today. Connections and alerts are not available yet.
€29 / month
Sends anonymous interest only. No purchase or signup.
Before you begin.
Do you connect to my provider?
No. The current tool accepts the documented normalized CSV format. It never requests API keys, sends prompts or changes routing.
Are these live model prices?
No. Totals use the billed_usd values you supply. There is no claim that a cheaper model will provide equivalent quality.
What does the projection mean?
Spend divided by complete days represented, multiplied by days in the month. It assumes an unchanged pace and excludes any costs missing from your data.
TRY A COMPLETE WORKED EXAMPLE