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Estimates token count and dollar cost of a prompt before you send it — personalized to your usage. All data stays on this machine. Know what a prompt will cost before you hit send. AI Budget Tracker adds a small cost-estimate pill to claude.ai, chatgpt.com, and gemini.google.com, and a popup you can use anywhere — type or paste a task, pick a model, and see an estimated token range and dollar cost instantly. Under the hood it's a small neural network, not a guess — and it gets better the more you use it. Point it at your own Claude Code session history (via the options page) and it retrains locally to match your actual usage patterns, right there in your browser. Everything stays on your machine. This extension makes zero network requests — no analytics, no ad trackers, no cloud sync, nothing sent anywhere. Your prompts, your mined session data, and your personalized model never leave local Chrome storage. See the full privacy policy linked below. Features: • Cost-estimate pill on claude.ai, chatgpt.com, and gemini.google.com • Popup estimator — 15 models across 6 providers, Chat vs. Agent mode • Cross-provider routing hint — suggests a cheaper model when one exists • Optional local retraining on your own Claude Code session history • Reset to the shared base model at any time Free, no account required, no signup.
Aug 29, 2026
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