Fast mode disappeared from settings and chat
Resolved 💬 4 comments Opened Apr 21, 2026 by thepluck Closed Apr 21, 2026
💡 Likely answer: A maintainer (github-actions[bot], contributor)
responded on this thread — see the highlighted reply below.
What version of the Codex App are you using (From “About Codex” dialog)?
Version 26.417.41555 (1858)
What subscription do you have?
Business
What platform is your computer?
Darwin 25.3.0 arm64 arm
What issue are you seeing?
<img width="796" height="856" alt="Image" src="https://github.com/user-attachments/assets/fc380839-ea92-43cc-b6ba-2f2786bb8463" />
<img width="854" height="151" alt="Image" src="https://github.com/user-attachments/assets/cfa37132-07b0-4661-8a9c-d849b515b72c" />
Fast mode disappeared from settings and chat
What steps can reproduce the bug?
relevant config
model = "gpt-5.4"
model_reasoning_effort = "xhigh"
plan_mode_reasoning_effort = "xhigh"
network_access = true
personality = "pragmatic"
sandbox_mode = "danger-full-access"
web_search = "live"
service_tier = "fast"
[features]
network_access = true
fast_mode = true
default_mode_request_user_input = true
multi_agent = true
skills = true
unified_exec = true
shell_snapshot = true
steer = true
responses_websockets_v2 = true
responses_websockets = true
collaboration_modes = true
apps = true
image_detail_original = true
memories = true
workspace_dependencies = true
js_repl = true
prevent_idle_sleep = true
What is the expected behavior?
_No response_
Additional information
_No response_
4 Comments
Potential duplicates detected. Please review them and close your issue if it is a duplicate.
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Fast mode is accessed through the "+" button. There is a "speed" item that appears in the menu.
<img width="834" height="159" alt="Image" src="https://github.com/user-attachments/assets/20cd19c6-28de-4fce-8e1c-0550d60f69b5" />
there isnt speed button @etraut-openai
Same Issue, did you ever get this resolved?