Anthropic and OpenAI API gross margins claimed to be as high as 95%
zephyr_z9 · x · 2026-10-20
Responding to AlexCorrino's guess that major AI labs run 80%+ gross margins on their APIs, zephyrz9 claims the figure is actually 95% for Anthropic and OpenAI (covering Sol/Fable/Sonnet/Astra).
If accurate, it implies massive headroom between API pricing and inference cost — enough to fund aggressive price cuts and free tiers. The numbers are unofficial estimates, not company-disclosed figures.
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