Expired50% 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(expired)
Sources
Complete Guide to OpenAI Codex: CLI Installation, VS Code Configuration & Practical Tips
bilibili晟6668886/6/2026
Related Claims
UnverifiedThe coding agent does not retain context between sessions; each startup begins with a completely fresh context window.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 reads environment variables and API configurations at startup and does not dynamically refresh these settings during operation, so modifications to the configuration require a restart to take effect.68% similarUnverifiedIn Copilot mode, the context window is restricted to the current file and cannot understand cross-file project structure58% similarUnverifiedWhen Codex's Plan Mode is enabled, it only discusses plans with the user without actually modifying files, and executes only after confirmation.57% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/51406API
curl https://kongchang.com/api/v1/knowledge/claims/51406MCP
get_claim(id=51406)