All tools are free — no signup required
Free tools for AI product builders
Understand your LLM costs, find your pricing blind spots, and model your plan margins — in minutes, right in your browser.
Upload your CSVAnalyze my spend
LLM Spend Analyzer
Upload your OpenAI, Anthropic, or Gemini billing CSV and get an instant breakdown of where your AI budget is going — by model, by day, and by usage pattern. No account needed.
2 minutesTake the quiz
AI Blind Spot Quiz
Answer 8 quick questions about how you track AI costs today and get a personalised report of your cost blind spots and what to fix first.
No signup neededCalculate my margins
Plan & Pricing Margin Calculator
Add your pricing plans, enrollment numbers, and AI costs and instantly see net margin per plan — plus what price you'd need to charge to hit a target margin.
Want the full picture, not just a snapshot?
Connect AI Observly to your product and get live per-customer, per-feature, and per-plan cost attribution — automatically, with no proxy in your request path.
See pricing