diff --git a/home/home.nix b/home/home.nix
index 0d17a3b..58f672b 100644
--- a/home/home.nix
+++ b/home/home.nix
@@ -1,5 +1,11 @@
 { pkgs, spicetify-nix, ... }:
  
+let
+  localFastModel = "qwen2.5-coder-num_ctx";
+  localReasoningModel = "deepseek-r1-num_ctx";
+  remoteFastModel = "deepseek/deepseek-chat-v3-0324:free"; # "qwen/qwen-2.5-coder-32b-instruct:free";
+  remoteReasoningModel = "deepseek/deepseek-r1-0528:free";
+in
 {
   home = {
     stateVersion = "23.11";
@@ -44,6 +50,14 @@
           external.enable = true;
         };
       };
+      shellAliases = {
+        aichat_reasoning_remote = "aichat --model openrouter:${remoteReasoningModel}";
+        aichat_reasoning_local = "aichat --model ollama:${localReasoningModel}";
+        aichat_fast_remote = "aichat --model openrouter:${remoteFastModel}";
+        aichat_fast_local = "aichat --model ollama:${localFastModel}";
+        codex_remote = "codex --provider openrouter --model ${remoteFastModel}";
+        codex_local = "codex --provider ollama --model ${localFastModel}";
+      };
     };
     starship = {
       enable = true;
@@ -69,7 +83,7 @@
     codex = {
       enable = true;
       settings = {
-        model = "qwen2.5-coder";
+        model = "${localFastModel}";
         provider = "ollama";
         providers = {
           ollama = {
@@ -88,7 +102,7 @@
     aichat = {
       enable = true;
       settings = {
-        model = "ollama:qwen2.5-coder:latest";
+        model = "ollama:${localFastModel}";
         clients = [
           {
             type = "openai-compatible";
@@ -96,12 +110,12 @@
             api_base = "http://localhost:11434/v1";
             models = [
               {
-                name = "qwen2.5-coder:latest";
+                name = "${localFastModel}";
                 supports_function_calling = true;
                 supports_vision = true;
               }
               {
-                name = "deepseek-r1:latest";
+                name = "${localReasoningModel}";
                 supports_function_calling = true;
                 supports_vision = true;
               }
@@ -113,12 +127,12 @@
             api_base = "https://openrouter.ai/api/v1";
             models = [
               {
-                name = "qwen/qwen-2.5-coder-32b-instruct:free";
+                name = "${remoteFastModel}";
                 supports_function_calling = true;
                 supports_vision = true;
               }
               {
-                name = "deepseek/deepseek-r1-0528:free";
+                name = "${remoteReasoningModel}";
                 supports_function_calling = true;
                 supports_vision = true;
               }