diff --git a/README.md b/README.md
index c2f2ff6f..a5cc1e4a 100644
--- a/README.md
+++ b/README.md
@@ -87,6 +87,7 @@ require('copilot').setup({
     ["."] = false,
   },
   copilot_node_command = 'node', -- Node.js version must be > 18.x
+  copilot_model = "",  -- Current LSP default is gpt-35-turbo, supports gpt-4o-copilot
   server_opts_overrides = {},
 })
 ```
diff --git a/lua/copilot/client.lua b/lua/copilot/client.lua
index c4f8bfbd..b1c040e7 100644
--- a/lua/copilot/client.lua
+++ b/lua/copilot/client.lua
@@ -234,6 +234,9 @@ local function prepare_client_config(overrides)
       end
     end,
     handlers = handlers,
+    init_options = {
+      copilotIntegrationId = "vscode-chat",
+    },
   }, overrides)
 end
 
diff --git a/lua/copilot/config.lua b/lua/copilot/config.lua
index b3dff145..d4bff79e 100644
--- a/lua/copilot/config.lua
+++ b/lua/copilot/config.lua
@@ -41,6 +41,8 @@ local default_config = {
   auth_provider_url = nil,
   copilot_node_command = "node",
   server_opts_overrides = {},
+  ---@type string|nil
+  copilot_model = nil,
 }
 
 local mod = {
diff --git a/lua/copilot/util.lua b/lua/copilot/util.lua
index 733b8d28..36f62817 100644
--- a/lua/copilot/util.lua
+++ b/lua/copilot/util.lua
@@ -203,6 +203,8 @@ function M.get_editor_configuration()
     filetypes = vim.tbl_deep_extend("keep", filetypes, internal_filetypes)
   end
 
+  local copilot_model = conf.copilot_model ~= "" and conf.copilot_model or ""
+
   ---@type string[]
   local disabled_filetypes = vim.tbl_filter(function(ft)
     return filetypes[ft] == false
@@ -210,6 +212,11 @@ function M.get_editor_configuration()
   table.sort(disabled_filetypes)
 
   return {
+    github = {
+      copilot = {
+        selectedCompletionModel = copilot_model,
+      },
+    },
     enableAutoCompletions = not not (conf.panel.enabled or conf.suggestion.enabled),
     disabledLanguages = vim.tbl_map(function(ft)
       return { languageId = ft }