Claude Code vs OpenClaw， Whose context engineering is stronger? After the Claude Code source code was leaked, I made a deep comparison: First, let's take a look at the size: the two are quite similar Claude Code: Approximately 510000 lines of TypeScript ("accidentally" leaked) OpenClaw: Approximately 480000 lines of JavaScript (actively open sourced) 5 dimensions PK: one ️⃣ Compression strategy Claude Code wins with 4 refined strategies. Before compression, OpenClaw automatically stores essence in memory flush and then compresses it, just like human beings sort out their memories when they sleep. two ️⃣ memory system each has its own merits. Semantic search+automatic memory precipitation+hierarchical architecture. Claude Code CLAUDE.md,+Topic files (loaded on demand)+Scripts (only grep, not fully loaded) three ️⃣ Multi Agent Collaboration OpenClaw wins. Multi model mixing (Claude/Gemini/Glok dynamic switching)+multi-channel (Telegram/Discord). Claude Code only supports its own model. four ️⃣ safety Claude Code wins. Use AST syntax tree to analyze commands, stronger. OpenClaw's tools.deny is more concise and rough. five ️⃣ system prompt each has its own merits. Claude Code has done cache optimization. OpenClaw's SOUL.md personalized design is unique. Conclusion: Claude Code is the strongest individual coding tool, representing the highest level of industrial grade, similar to the Apple system; OpenClaw is the strongest multi-agent operating system, representing the highest level of open source, similar to the Android system. Best practice: OpenClaw for central scheduling, Claude Code for sub agents to write code.