Free embeddable calculators

Run the numbers before you build.

Free, embeddable calculators and money-honest editorial for founders who would rather check the math than trust the pitch deck.

The calculators

Run the math in seconds. Embed any of them for free.

Latest insights

Calculators and money-honest breakdowns for founders who run the numbers.

Pricing

Pricing your AI app: 3 ladders that converted at over 7%

Three pricing ladders beat flat per-seat pricing for AI products in our teardown of 40 launches: a credit ladder, a usage-with-floor ladder, and an outcome ladder. Each cleared a 7%+ trial-to-paid rate by aligning the price metric with the value metric and putting a visible cap on downside. Pick the ladder that matches how your users feel cost — tokens, runs, or results — and price the rung, not the seat.

9 min read2
AI cost

True cost of running an LLM workflow in 2026

The sticker price per token is the smallest line in your LLM bill. Once you add retries, embeddings, vector reads, orchestration, and the platform margin, a "simple" agent workflow lands around $0.42 per run — roughly 4× the raw model cost. This breakdown shows where the money actually goes and which three levers cut a workflow bill the fastest without touching quality.

8 min read2
Build vs buy

Build vs buy: when DIY beats SaaS at scale

Build-vs-buy isn't a values debate, it's a breakeven date. SaaS wins early because it converts a big upfront build into a small monthly fee. DIY wins once your usage-based SaaS bill exceeds the fully-loaded cost of owning the code — typically around month 18 for infrastructure-style tools. This piece gives you the formula, a worked example, and the three traps that make teams build too early.

8 min read3