Expired80% confidenceFactTime unknown
Gemini's Context Caching feature can save up to 90% of API call costs for long files that are queried repeatedly.
1
Sources
80%
Confidence
Medium-term (~90 days)
Relevance
5/31/2026
First Seen
Valid until: 8/29/2026(expired)
Sources
Gemini多模态Agent开发实战：理解到生成的全链路架构解析
bilibili量子菠萝_
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