Google appears to be dropping explicit caching: new API and Gemini 4 lack support
danson729 · reddit · 2026-11-13
A Reddit user noticed that Google's new Interactions API does not support explicit caching and it is not on the roadmap, and none of the "Gemini 4" models appear to support it either. Gemini 2.5 pioneered context caching as part of the 1M-context movement, and nearly all other AI labs support caching. The user worries the feature is being deprecated. (Community observation, not officially confirmed.)
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