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7 OpenAI updates from this week that cut your AI bill

OpenAI list of 7 changes that actually help you cut costs: 12-hour prompt caching cuts input costs for slow loops: You can now keep shared prompt context cached for up to 12 hours instead of 30 minutes. It costs 2.5 times more to write the cache upfront, but you save money on calls spaced hours apa…

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  1. 2026-10-23 14:43 · r/OpenAI
    7 OpenAI updates from this week that cut your AI bill

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