Claude Usage Limits Explained: Sessions, API Tiers, and Rate Limits
This story is from 2026-10-21. It is preserved in the archive; the latest stories are on the live feed.
TL;DR Claude usage limits operate across two distinct architectures: consumer subscription sessions (5-hour rolling windows and weekly caps) and developer API rate limit tiers (evaluated in RPM, ITPM, and OTPM). Anthropic meters API capacity using a continuous token bucket algorithm rather than a f…
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- 2026-10-21 14:18 · DEV Community — AI
Claude Usage Limits Explained: Sessions, API Tiers, and Rate Limits