
CostPerPrompt — Live AI API Pricing & LLM Cost Calculators
Calculator for comparing costs across 230+ AI model APIs.
ahmed_hassan7 · HN
CostPerPrompt – Live AI API pricing and real-workload cost calculators
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Calculator for comparing costs across 230+ AI model APIs.
ahmed_hassan7 · HN
CostPerPrompt – Live AI API pricing and real-workload cost calculators

Use 100+ free online calculators for math, chemistry, physics, loans, health, and AI costs—no signup needed.
u/averageChilean · Reddit
Built a free tool site to help my brother study — now has 100+ tools, would love feedback My brother's in high school and needed something more visual to study chemistry, physics, and math, so I used Claude to build him a simple site with interactive calculators and visualizers. I'm not a programmer or from a tech background, so without AI this wouldn't have happened, at least not this fast. It ended up helping him a lot more than I expected, so I kept expanding it, added a bunch of other

AI tool that writes construction estimates, prices materials, and builds bids in minutes.
@WinkScope · X
Spending hours in writing estimates and then juggling between multiple apps to see the complete picture? We are here for you ;)

Track mountain bike service intervals by connecting Strava or entering your bike odometer reading.
@GadgetsCars · X
Built a mountain-bike service-tracker with no accounts and no server-side data nothing to breach, I don't have your data. Garage stays on-device, cloud backup is encrypted on your phone before it leaves. Built with Claude behind a strict test+CI gate.

Enter a website URL to estimate its monthly income and total value based on traffic, domain metrics, and monetization methods.
@hezhiyan7 · X
哥飞老师新做了一个网站价值估算的玩具还挺意思,大家可以来估算下自己的网站价值多少。 我估算自己的某个网站有$546k,来个冤大头购买我的网站吧🤣 估算入口:

Accurate MRR, churn and LTV for SaaS, built from your Stripe, Paddle, Creem or Asaas billing data. Then ask Kometrics AI anything about your revenue and get an answer with the repo
@camposped · X
Subscription metrics for the AI era:

Pay to rank. A public leaderboard of single people's X profiles, sorted by how much they bid.
@habibicode · X

Real estate CRM for agents to manage listings and track leads.
@Abdokarmallah · X

Supplier and customer relationships pulled from SEC filings, with the source sentence behind every tie. Earnings dates, market-implied expected moves, options positioning and ETF e
Varamir
Bloomberg charges hedge funds $25k/year to see who actually supplies who. Varamir does it free. →