Agent Memory Systems Survey

A panoramic survey (2026.03) of 30+ agent memory projects across 15 dimensions - standalone memory frameworks plus agents' built-in memory - including LongMemEval scores. Notably documents the trend of agentic/observational memory overtaking pure vector memory.

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Key takeaways

• 01

  30+ projects compared across 15 dimensions - ideal checklist fodder

• 02

  Documents the field's shift away from vector-only memory

• 03

  Benchmark scores (LongMemEval) ground the comparisons

Flows built on this research

Memory & Context

Episodic, Semantic, and Procedural Stores

Organize agent memory by kind - what happened, what is true, and how to do things - instead of one undifferentiated pile.

4 steps · 60-90 minutes

Memory & Context

Vector vs Markdown Memory: Make the Decision

Choose your memory backend on evidence: when plain files win, when vectors earn their complexity, and how to test it on your own data.

3 steps · 45-60 minutes