Update model deprecation list

Author: mkht

Private/Assert-DeprecationModel.ps1

@@ -48,6 +48,8 @@ class OpenAIDepricationModels {
         'text-moderation-007'                = [datetime]::new(2025, 10, 27)
         'text-moderation-stable'             = [datetime]::new(2025, 10, 27)
         'text-moderation-latest'             = [datetime]::new(2025, 10, 27)
+        'codex-mini-latest'                  = [datetime]::new(2026, 01, 16)
+        'chatgpt-4o-latest'                  = [datetime]::new(2026, 02, 17)
         'gpt-4-0314'                         = [datetime]::new(2026, 03, 26)
         'gpt-4-1106-preview'                 = [datetime]::new(2026, 03, 26)
         'gpt-4-0125-preview'                 = [datetime]::new(2026, 03, 26)

Public/Chat/Request-ChatCompletion.ps1

@@ -23,7 +23,6 @@ function Request-ChatCompletion {
             'gpt-4',
             'gpt-4o',
             'gpt-4o-mini',
-            'chatgpt-4o-latest',
             'gpt-4o-audio-preview',
             'gpt-4o-mini-audio-preview',
             'gpt-4o-search-preview',

Public/Enter-ChatGPT.ps1

@@ -7,7 +7,6 @@ function Enter-ChatGPT {
             'gpt-4',
             'gpt-4o',
             'gpt-4o-mini',
-            'chatgpt-4o-latest',
             'gpt-3.5-turbo-16k',
             'gpt-3.5-turbo-1106',
             'gpt-3.5-turbo-0125',

Public/Responses/Request-Response.ps1

@@ -43,7 +43,6 @@ function Request-Response {
             'o4-mini',
             'o3-deep-research',
             'o4-mini-deep-research',
-            'codex-mini-latest',
             'computer-use-preview'
         )]
         [string]$Model = 'gpt-4o-mini',

Public/Responses/Request-ResponseCompaction.ps1

@@ -43,7 +43,6 @@ function Request-ResponseCompaction {
             'o4-mini',
             'o3-deep-research',
             'o4-mini-deep-research',
-            'codex-mini-latest',
             'computer-use-preview'
         )]
         [string]$Model = 'gpt-4o-mini',

Tests/Responses/Request-Response.tests.ps1

@@ -1121,7 +1121,7 @@ STEP2. Use the timestamp tool to save the resulting timestamp in date and time,
             {
                 $param = @{
                     Message           = 'List all files that the size is larger than 100MB in /var/logs'
-                    Model             = 'codex-mini-latest'
+                    Model             = 'gpt-5-codex-mini'
                     UseLocalShellTool = $true
                     Store             = $false
                     TimeoutSec        = 30