Added support for xAI Grok Beta

app/lib/.server/llm/api-key.ts

@@ -25,6 +25,8 @@ export function getAPIKey(cloudflareEnv: Env, provider: string) {
       return env.MISTRAL_API_KEY || cloudflareEnv.MISTRAL_API_KEY;        
     case "OpenAILike":
       return env.OPENAI_LIKE_API_KEY || cloudflareEnv.OPENAI_LIKE_API_KEY;
+    case "xAI":
+      return env.XAI_API_KEY || cloudflareEnv.XAI_API_KEY;
     default:
       return "";
   }

app/lib/.server/llm/model.ts

@@ -80,6 +80,15 @@ export function getOpenRouterModel(apiKey: string, model: string) {
   return openRouter.chat(model);
 }
 
+export function getXAIModel(apiKey: string, model: string) {
+  const openai = createOpenAI({
+    baseURL: 'https://api.x.ai/v1',
+    apiKey,
+  });
+
+  return openai(model);
+}
+
 export function getModel(provider: string, model: string, env: Env) {
   const apiKey = getAPIKey(env, provider);
   const baseURL = getBaseURL(env, provider);
@@ -101,6 +110,8 @@ export function getModel(provider: string, model: string, env: Env) {
       return getDeepseekModel(apiKey, model)
     case 'Mistral':
       return  getMistralModel(apiKey, model);
+    case 'xAI':
+      return getXAIModel(apiKey, model);
     default:
       return getOllamaModel(baseURL, model);
   }