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Honest picks for developers and indie hackers who build things.

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Prompt Caching on Claude, GPT and Gemini, Measured: Same Price, Different Bills

Claude Sonnet 5.5, GPT-6.1 Sol and Gemini 4 Argon list the same cache price. We sent each the same prompt and got three...

Nov 05, 2026 7 min read

All three say free. We signed up for each and sent a test email, then checked which free plan can actually reach your us...

Mar 25, 2026 8 min read

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