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On October 24, 2026, Tibo released a small Day 19 update, stating that Codex CLI had been updated. In the same update, Tibo said that the connection speed for dots calls had greatly improved, and that switching between reasoning and work mid-conversation in Codex no longer invalidates the cache. Subsequent reports said that Codex can switch reasoning levels mid-conversation without invalidating the cache—using low reasoning for simple tasks and raising it when needed, with no need to rebuild context; the CLI was updated in sync, including reusable prompt presets, inline switching of models and permissions, long-session recovery fixes, enterprise MCP login and Windows proxy authentication, and dot call connection speed was also noticeably faster. The current status is that the update has been released.
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Latest development · Report
Codex supports switching reasoning levels mid-conversation without losing cacheDevelopments
1 confirmed developments
- Source:Vaibhav Srivastav
Reports and discussion timeline
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Oct 24
Vaibhav Srivastav
Codex supports switching reasoning levels mid-conversation without losing cache
Codex developers get an experience update: reasoning levels can be switched mid-conversation without invalidating the cache; use low reasoning for simple tasks and raise it when needed, with no need to rebuild context. The CLI is updated in sync, including reusable prompt presets, inline switching of models and permissions, long-session resume fixes, enterprise MCP login and Windows proxy authentication, and noticeably faster dot invocation connection speeds.
Tibo
Codex update: switching reasoning mid-conversation no longer clears the cache
Tibo released a small Day 19 update: the dots call connection speed is greatly improved; switching reasoning and work mid-conversation in Codex no longer invalidates the cache; the Codex CLI was also updated.
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