diff --git a/README.md b/README.md
index 55d60a7f..02248910 100644
--- a/README.md
+++ b/README.md
@@ -453,7 +453,7 @@ Below are all available configuration options with their default values:
 
   system_prompt = 'COPILOT_INSTRUCTIONS', -- System prompt to use (can be specified manually in prompt via /).
 
-  model = 'gpt-4o-2024-11-20', -- Default model to use, see ':CopilotChatModels' for available models (can be specified manually in prompt via $).
+  model = 'gpt-4.1', -- Default model to use, see ':CopilotChatModels' for available models (can be specified manually in prompt via $).
   agent = 'copilot', -- Default agent to use, see ':CopilotChatAgents' for available agents (can be specified manually in prompt via @).
   context = nil, -- Default context or array of contexts to use (can be specified manually in prompt via #).
   sticky = nil, -- Default sticky prompt or array of sticky prompts to use at start of every new chat.
@@ -761,7 +761,7 @@ require("CopilotChat").load("my_debugging_session")
 
 -- Use custom context and model
 require("CopilotChat").ask("How can I optimize this?", {
-  model = "gpt-4o",
+  model = "gpt-4.1",
   context = {"buffer", "git:staged"}
 })
 ```
diff --git a/doc/CopilotChat.txt b/doc/CopilotChat.txt
index 9512331d..d7b009a4 100644
--- a/doc/CopilotChat.txt
+++ b/doc/CopilotChat.txt
@@ -512,7 +512,7 @@ Below are all available configuration options with their default values:
     
       system_prompt = 'COPILOT_INSTRUCTIONS', -- System prompt to use (can be specified manually in prompt via /).
     
-      model = 'gpt-4o-2024-11-20', -- Default model to use, see ':CopilotChatModels' for available models (can be specified manually in prompt via $).
+      model = 'gpt-4.1', -- Default model to use, see ':CopilotChatModels' for available models (can be specified manually in prompt via $).
       agent = 'copilot', -- Default agent to use, see ':CopilotChatAgents' for available agents (can be specified manually in prompt via @).
       context = nil, -- Default context or array of contexts to use (can be specified manually in prompt via #).
       sticky = nil, -- Default sticky prompt or array of sticky prompts to use at start of every new chat.
@@ -827,7 +827,7 @@ EXAMPLE USAGE                                      *CopilotChat-example-usage*
     
     -- Use custom context and model
     require("CopilotChat").ask("How can I optimize this?", {
-      model = "gpt-4o",
+      model = "gpt-4.1",
       context = {"buffer", "git:staged"}
     })
 <
diff --git a/lua/CopilotChat/config.lua b/lua/CopilotChat/config.lua
index dc1af205..30c428e5 100644
--- a/lua/CopilotChat/config.lua
+++ b/lua/CopilotChat/config.lua
@@ -61,7 +61,7 @@ return {
 
   system_prompt = 'COPILOT_INSTRUCTIONS', -- System prompt to use (can be specified manually in prompt via /).
 
-  model = 'gpt-4o', -- Default model to use, see ':CopilotChatModels' for available models (can be specified manually in prompt via $).
+  model = 'gpt-4.1', -- Default model to use, see ':CopilotChatModels' for available models (can be specified manually in prompt via $).
   agent = 'none', -- Default agent to use, see ':CopilotChatAgents' for available agents (can be specified manually in prompt via @).
   context = nil, -- Default context or array of contexts to use (can be specified manually in prompt via #).
   sticky = nil, -- Default sticky prompt or array of sticky prompts to use at start of every new chat.