A million tokens, measured in

Books

The most intuitive yardstick there is. A million tokens holds a small bookshelf — about eight novels — and still comes up short of the complete Harry Potter series.

the 7 books — filled part = 1M tokens

≈ 69% of Harry Potter

of the complete 7-book series

The full Harry Potter series is 1,084,170 words — about 1.45 million tokens. A million tokens gets you from Privet Drive to somewhere deep in Order of the Phoenix.

basis: Series total 1,084,170 words

2 copies — filled part = 1M tokens

≈ 1.3 × War and Peace

copies of War and Peace

Tolstoy’s epic is about 587,000 words in English translation (~780,000 tokens). A million tokens covers it with room for a second read of the first third.

basis: 587,000 words per copy

What would this cost?

Everything on this page is exactly one million tokens. So the price of having a model read — or write — all of it is simply each model's per-million rate. Updated 2026-07-03.

ModelRead all of it (input)Write all of it (output)
GPT-5.5 Pro$30$180
Claude Fable 5$10$50
GPT-5.5$5$30
Claude Opus 4.8$5$25
Claude Sonnet 5$2$10
Gemini 3.1 Pro$2$12
Gemini 3.5 Flash$1.50$9
Claude Haiku 4.5$1$5
Gemini 3 Flash$0.50$3

From $0.50 to $180 for the same million tokens. Try your own budget in the calculator →

The same million tokens, measured differently

Or start over with the full picture — scale, prices, and the budget calculator.