JD Cloud Developers

Sep 1, 2026 · Artificial Intelligence

Claude Code vs Codex: Deep Architectural Comparison of AI Agent Memory Systems

This article provides an architecture-level comparison of Claude Code's four-layer automated memory system (CLAUDE.md, Auto Memory, Session Memory, AutoDream) versus Codex's two-layer manual declarative system (AGENTS.md + Session Context), analyzing persistence strategies, cross-session transfer, context compression, MCP support, and design philosophy trade-offs between automation and controllability.