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I did deep dive comparison of Claude Code vs OpenAI Codex code agents architectures, interesting what is your personal experience on this?
Both Claude Code and OpenAI Codex are built on the same backbone: a single-agent event loop that repeatedly thinks, calls tools, inspects the result, and repeats until it’s done. No swarms, no hidden graph orchestration — just one reflective agent iterating through a ReAct-style cycle.
https://blog.ivan.digital/claude-code-vs-openai-codex-agentic-planner-vs-shell-first-surgeon-d6ce988526e8
Both Claude Code and OpenAI Codex are built on the same backbone: a single-agent event loop that repeatedly thinks, calls tools, inspects the result, and repeats until it’s done. No swarms, no hidden graph orchestration — just one reflective agent iterating through a ReAct-style cycle.
https://blog.ivan.digital/claude-code-vs-openai-codex-agentic-planner-vs-shell-first-surgeon-d6ce988526e8