Output token use per task compared across frontier models

Haider. @haider1Originally posted 2026.09.29

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sonnet 5.5 is an absolute token-hungry monster 5.5 max — 193k output tokens/task opus 5.5 max — 119k sonnet 5 xhigh — 65k gpt-6 sol max — 31k gpt-6 astra max — 27k using 62% more output tokens than opus 5.5 and over 6x more than gpt-6 sol

This post quotes another post: “AA index cost comparison: Sonnet 5.5 Max costs more than twice Astra”