Calculators, scorers, summarizers, and decision tools built for the way you actually work with AI. No signup. Run in your browser. Updated as the field moves.
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Compare AI subscription tiers side-by-side
Source-verified comparison of ChatGPT, Claude, Google AI, and Perplexity plans — free, paid, team, and enterprise. Filter by need and see what you actually get for your money.
Grade any AI prompt across 7 dimensions
Paste a prompt — get an instant letter grade and per-dimension fixes. Built on the 19 prompting laws used across ChatGPT, Claude, and Gemini.
Briefs, action items, chapters from any transcript
Paste a YouTube transcript, podcast captions, or meeting notes. Get a clean brief, key takeaways, action items, chapter timestamps, and reusable AI prompts. Runs entirely in your browser.
Live on /ai-picks
Estimate the monthly value AI creates for your team — and the break-even hours per person — before you stack another subscription.
Open calculator
Pick the right AI model in 30 seconds based on your workflow, verification rigor, and budget. Quick decision tool — bigger commitments belong in the Plan Comparator.
Route my stack
Lightweight pass/fail check of any prompt against the 8 prompting fundamentals. For full grading and fix suggestions, use the Prompt Scorecard above.
Quick-check a prompt
Token Calculator · Use-Case Router · Free-Tier Tracker
Cost calculation across providers, a "which AI for this task" router, and a live dashboard of what every free tier actually gives you. Subscribe to be notified when each one ships.
Yes. Every tool on this page is free to use, no signup required, and most run entirely in your browser. We make money from premium guides, affiliate referrals to genuinely useful AI tools, and paid Studio products — never from gating utilities.
AI Picks reviews third-party AI tools like ChatGPT, Claude, and Cursor — what to subscribe to. This page is the tools T-Minus AI built itself — calculators, scorers, summarizers — that help you decide and work better.
On the roadmap: a token counter and cost estimator, a "which AI for X" use-case router, and a live tracker of free-tier limits across the major AI providers. If you want to be first to use them, subscribe to the weekly newsletter.
Not yet — embeddable widgets are on the roadmap. For now, please link to the tool URL with attribution.
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Looking for what to subscribe to instead? Our AI Picks page reviews ChatGPT, Claude, Cursor, Copilot, Perplexity, and more — categorized by job-to-be-done.
Open AI PicksBuilt and maintained by the T-Minus AI team. Free forever.