Evidence-first AI tool reviews

Know which AI tools are worth paying for.

Get the free Agency AI Stack Buyer-Math Workbook and compare plan price, credits, seats, add-ons, and effective cost before you subscribe.

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  • Real cost math
  • Dated official sources
  • Limitations included

Make a buy, trial, hold, or cancel decision

A practical scorecard for creators, freelancers, agencies, and small teams.

  • See the real 30-day, 90-day, and annual cost.
  • Compare credits, usage fees, seats, and add-ons.
  • Record official evidence and pricing dates.
  • Calculate effective cost per usable output.

Behind the guide: This workbook is the decision system for our growing 25 AI Tools Worth Paying For guide. Tools are added only when current pricing, buyer fit, and test evidence are verified.

1 · Test the taskWe start with a specific buyer problem, not a feature list.
2 · Show the mathWe compare time, plan limits, add-ons, and real output cost.
3 · State who should skipFailures and limitations stay visible, even when links are affiliate links.