Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: chatgpt 0 -> 1
attrpath: chatgpt
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/5g5aj8hy5anfywzmjfiflsnid6g03vxg-packages.json.drv
building '/nix/store/5g5aj8hy5anfywzmjfiflsnid6g03vxg-packages.json.drv'...

Going to be running update for following packages:
 - chatgpt-26.803.81509

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - chatgpt-26.803.81509: UPDATING ...
 - chatgpt-26.803.81509: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/ch/chatgpt/source.nix b/pkgs/by-name/ch/chatgpt/source.nix
index cff4771c84e4..5df53cad6e10 100644
--- a/pkgs/by-name/ch/chatgpt/source.nix
+++ b/pkgs/by-name/ch/chatgpt/source.nix
@@ -1,7 +1,7 @@
 {
-  version = "26.803.81509";
+  version = "26.818.61809";
   src = {
-    url = "https://persistent.oaistatic.com/codex-app-prod/ChatGPT-darwin-arm64-26.803.81509.zip";
-    hash = "sha256-NMfmKWeK1dY6Y57GlKW4O4X04b18Ie4qvP77sEEJW5w=";
+    url = "https://persistent.oaistatic.com/codex-app-prod/ChatGPT-darwin-arm64-26.818.61809.zip";
+    hash = "sha256-NqTEfQve52cQwJibmwd/PD6IvAukUkabhsgRzGOKALw=";
   };
 }

No auto update branch exists
There might already be an open PR for this update:
- chatgpt: support linux
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/551713"