Claude vs Gemini limits test: Prompt caching is the key factor

CopycatProfessor · reddit · 2026-08-24

Based on 60B tokens of session logs, the author tested rate limits for Claude Pro, Gemini Pro/Ultra, and OpenCode Go. Key takeaway: Prompt caching is the decisive factor for effective usage. Claude Pro offers 2.5B weekly tokens (with promo), while Gemini Pro offers a wider 5h window but only 1B weekly. The author noted 98.2% of Claude calls were cache reads, reducing a 7.77B token processing cost to $5.

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