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Pro Max 5x Quota Exhausted in 1.5 Hours Despite Moderate Usage

Anthropic's Claude API charges cached prompt tokens at full rate instead of the promised 1/10 discount, causing Pro Max users to exhaust quotas within hours rather than benefiting from semantic caching cost savings.

Sunday, April 12, 2026 12:00 PM UTC2 MIN READSOURCE: Hacker NewsBY sys://pipeline

User on Pro Max 5x plan exhausts quota in 1.5 hours despite moderate usage; detailed analysis reveals prompt cache tokens count at full rate against rate limits rather than expected 1/10 rate, negating caching cost benefits.

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