ollamaPackages.{qwen2_5-7b,qwen2_5-14b}: init, and cleanup the surroundings

modules/services/ollama.nix

@@ -19,12 +19,14 @@ let
   modelSources = pkgs.symlinkJoin {
     name = "ollama-models";
     paths = with pkgs.ollamaPackages; [
-      llama3_1-70b
+      # llama3_1-70b  # generates like 1 word/sec, decent output (comparable to qwen2_5-32b)
       llama3_2-3b
       mistral
       mistral-large
       mixtral-8x7b
-      qwen2_5-32b
+      qwen2_5-7b
+      qwen2_5-14b
+      qwen2_5-32b  # generates 3~5 words/sec, but notably more accurate than coder-7b
       qwen2_5-coder-7b
     ];
   };