billion-context: open-source plugin compresses context for month-long sessions, saving 5x tokens
ranxianglei · github · 2026-11-07
ranxianglei/billion-context (4.4k stars, +185 today) is an open-source context-compression plugin aiming at month-long single sessions with billions of tokens. By compressing conversation history, it lets a small 100K context window suffice for ultra-long sessions while cutting token usage roughly 5x — targeting agents and coding workflows that need persistent, long-running context.
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