Grok 4.6's listed price per unit of text and its measured cost per task answer different questions. On the results page checked October 12, Artificial Analysis lists the high-reasoning variant at $2 per million input 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 → and $6 per million output tokens, with an average cost of $1.48 per Intelligence Index task.
The task figure incorporates how much text the model actually processes and generates, including reasoning and applicable cache charges. That makes it more informative for comparing the tested workload than the output rate alone. It remains a benchmarkA standard public test set for comparing AI models — the shared scoreboards behind every "model X beats model Y" claim.Full definition → average, so a different task mix can produce a different bill.
Terms in this piece · Glossary
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.
benchmark — A standard public test set for comparing AI models — the shared scoreboards behind every "model X beats model Y" claim.
context window — The maximum amount of text a model can consider at once — its working memory for the current conversation or task.
