Unverified50% confidenceFactExact time
Codex coding agents do not retain context between sessions — each launch starts with a fresh context window
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026
Sources
Complete Guide to OpenAI Codex: CLI Installation, VS Code Configuration & Practical Tips
bilibili晟6668886/6/2026
Related Claims
Unverified编码代理在会话之间不保留上下文，每次启动都是全新的上下文窗口72% similarUnverifiedCodex CLI's /new command clears the current context and starts a fresh session without exiting Codex or changing the project directory.71% similarUnverifiedCodex在启动时读取环境变量和API配置，运行过程中不会动态刷新这些设置，因此修改配置后必须重启才能生效68% similarUnverifiedIn Copilot mode, the context window is restricted to the current file and cannot understand cross-file project structure58% similarUnverifiedCodex 的 Plan Mode（计划模式）开启后只与用户讨论方案而不实际修改文件，待确认后再执行57% similar
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