Comparisons

Anthropic’s Claude and OpenAI’s ChatGPT, compared on what is actually measurable — token price, context window and output limits — using each brand’s current flagship, dated.

OpenAI’s ChatGPT and Google’s Gemini compared on token price, context window and output limits — the current flagship of each, with the date every number was read.

Anthropic’s Claude and Google’s Gemini side by side on price, context window and output limits — each brand’s current flagship, every figure dated and attributed.

What each rate type actually promises, the trade-offs, and how to think about the choice without predicting the future.

Same loan, ten more years: what the longer term saves each month and costs in total.

The two ways interest can be calculated, how far apart they end up, and which one you are actually being offered.

Three terms used interchangeably that aren’t the same thing: how they nest, with language models sitting inside all three.

How much compounding frequency really matters, with the honest answer: less than most people expect.

Two ways of taxing consumption: collected along the chain or once at the till — and why the sticker price differs.

Rising prices against falling ones — why economists fear the second more than the first, explained without panic.

Why the calendar was reformed, what changed, and how ten days went missing when countries switched.

One is directional, one is symmetric — which to use, and how the same two numbers give different answers.

The one-off, expensive phase where a model learns, versus the fast, repeated phase where it answers you — and why the split matters.