token — The chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.
Why it matters
The advertised 2x tokenThe chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.Full definition → price is not the cost you pay. Shorter completions absorb part of it on long prompts, while short-prompt workloads land near the full doubling, which changes where batching or prompt consolidation pays off.
