Akhilesh Posted on May 31 103. Agent Memory: Short-Term, Long-Term, and Episodic # agents # ai # beginners # productivity Agent Memory: Short-Term, Long-Term, and Episodic Main Thumbnail Image Prompt: A human brain cross-section illustration in neon tones on dark background. Three regions clearly demarcated and labeled. The hippocampus region glows blue, labeled "Episodic Memory: what happened." The prefrontal cortex glows orange, labeled "Working Memory: what I'm doing now." A network of distributed nodes glows green, labeled "Semantic Memory: what I know." Arrows show information flowing between regions. Scientific but accessible, the memory architecture made neural and visual. Memory Architecture Diagram Image Prompt: Four storage boxes arranged vertically on dark background. Top: "In-Context Window (Working Memory)" — fastest, smallest, temporary, shown as RAM chip icon. Second: "External Vector Store (Semantic Memory)" — fast retrieval, persistent, shown as cylinder with search icon. Third: "Key-Value Store (Episodic Memory)" — structured facts, shown as database icon. Bottom: "Fine-Tuned Weights (Procedural Memory)" — slowest to update, most permanent, shown as brain with lock. Arrows showing read/write speeds between boxes. Clean, technical, the hierarchy is the insight. Memory Retrieval Flow Image Prompt: A query arrives at an agent on the left. Four parallel arrows go right to four memory sources: conversation history (short chat bubbles), vector database (semantic search visualization), structured database (table icon), model weights (brain icon). Each source returns relevant items. A "Memory Fusion" box on the right combines the results. The agent sees an enriched context. The retrieval from multiple stores is the architecture. Every conversation with an LLM starts from zero. You explain your project. You explain your preferences. You explain your constraints. You spend five minutes providing context. You come back tomorrow. You do it all again. The model
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