diff --git a/aider/website/assets/sample.aider.conf.yml b/aider/website/assets/sample.aider.conf.yml
index 48d7ed7d1..6489ecac8 100644
--- a/aider/website/assets/sample.aider.conf.yml
+++ b/aider/website/assets/sample.aider.conf.yml
@@ -38,6 +38,9 @@
 ## Use gpt-4o model for the main chat
 #4o: false
 
+## Use gpt-4o-mini model for the main chat
+#mini: false
+
 ## Use gpt-4-1106-preview model for the main chat
 #4-turbo: false
 
diff --git a/aider/website/assets/sample.env b/aider/website/assets/sample.env
index 90afaec04..e8725b596 100644
--- a/aider/website/assets/sample.env
+++ b/aider/website/assets/sample.env
@@ -42,6 +42,9 @@
 ## Use gpt-4o model for the main chat
 #AIDER_4O=
 
+## Use gpt-4o-mini model for the main chat
+#AIDER_MINI=
+
 ## Use gpt-4-1106-preview model for the main chat
 #AIDER_4_TURBO=
 
diff --git a/aider/website/docs/config/aider_conf.md b/aider/website/docs/config/aider_conf.md
index 8f090ec4a..4dc49cc3c 100644
--- a/aider/website/docs/config/aider_conf.md
+++ b/aider/website/docs/config/aider_conf.md
@@ -77,6 +77,9 @@ cog.outl("```")
 ## Use gpt-4o model for the main chat
 #4o: false
 
+## Use gpt-4o-mini model for the main chat
+#mini: false
+
 ## Use gpt-4-1106-preview model for the main chat
 #4-turbo: false
 
diff --git a/aider/website/docs/config/dotenv.md b/aider/website/docs/config/dotenv.md
index b12fa9a3e..6fa8cb126 100644
--- a/aider/website/docs/config/dotenv.md
+++ b/aider/website/docs/config/dotenv.md
@@ -84,6 +84,9 @@ cog.outl("```")
 ## Use gpt-4o model for the main chat
 #AIDER_4O=
 
+## Use gpt-4o-mini model for the main chat
+#AIDER_MINI=
+
 ## Use gpt-4-1106-preview model for the main chat
 #AIDER_4_TURBO=
 
diff --git a/aider/website/docs/config/options.md b/aider/website/docs/config/options.md
index c35273f3d..67b3b3d97 100644
--- a/aider/website/docs/config/options.md
+++ b/aider/website/docs/config/options.md
@@ -26,7 +26,7 @@ cog.out(get_md_help())
 ]]]-->
 ```
 usage: aider [-h] [--openai-api-key] [--anthropic-api-key] [--model]
-             [--opus] [--sonnet] [--4] [--4o] [--4-turbo]
+             [--opus] [--sonnet] [--4] [--4o] [--mini] [--4-turbo]
              [--35turbo] [--models] [--openai-api-base]
              [--openai-api-type] [--openai-api-version]
              [--openai-api-deployment-id] [--openai-organization-id]
@@ -100,6 +100,10 @@ Aliases:
 Use gpt-4o model for the main chat  
 Environment variable: `AIDER_4O`  
 
+### `--mini`
+Use gpt-4o-mini model for the main chat  
+Environment variable: `AIDER_MINI`  
+
 ### `--4-turbo`
 Use gpt-4-1106-preview model for the main chat  
 Environment variable: `AIDER_4_TURBO`