Clawy / Tools & guides

Free AI / LLM developer tools & guides

Calculators and plain-English guides for pricing, costing, and running AI features. All free, all run in your browser. Built by Clawy, a pay-per-call AI gateway.

Calculators

Per-call margin calculator

Does your flat per-call price cover the token cost? Margin + break-even prompt size.

Monthly AI cost estimator

What will an AI chatbot/feature cost per month and year — with a prompt-cache slider.

Price recommender

Model + prompt size + target margin → a recommended per-call price.

Guides

How to price a paid AI API

Flat-rate vs usage, the break-even math, and two ways to not lose money.

Cut your LLM API costs

Six levers: model choice, caching, output caps, context, batching, routing.

Which Claude model to use

Opus 4.8 vs Sonnet 4.6 vs Haiku 4.5 — a pick-per-task decision flow.

What is x402?

Pay-per-call APIs for AI agents, explained — no API keys.

Dev utilities

x402 client quickstart

Copy-paste Node client: pay in USDC and call an endpoint in 5 minutes.

llms.txt generator

Generate an llms.txt so LLMs and AI agents can understand your site.

Paid

AI API Pricing Kit — €19

Excel cost/margin model + offline calculator + drop-in margin-guard code + quick-start. Stop losing money on your AI features.