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6/28/2026
The original title is: "I Run DeepSeek on Claude Code — How I Swap Models by Changing Only One File"

The original title is: "I Run DeepSeek on Claude Code — How I Swap Models by Changing Only One File"

Original: I Run DeepSeek on Claude Code — How I Swap Models by Changing Only One File

Short summary

Author split CLAUDE.md into three layers: SOUL (identity), INTERFACE (model-specific tuning), BODY (process). This enables swapping between DeepSeek, Claude Opus, and Sonnet by changing only INTERFACE. Each model gets calibration for tool discipline and output splitting; identity and process stay model-agnostic. Tested across 200+ sessions with zero drift.

  • •Three-layer architecture (SOUL/INTERFACE/BODY) decouples model-agnostic identity from model-specific tuning
  • •Enables swapping between LLMs (DeepSeek, Claude Opus, Sonnet) by changing only one file
  • •Validated across 200+ sessions with zero identity or process drift

Generated with AI, which can make mistakes.

#ai-tools#ai-agents
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