feat: added dynamic model support for openAI provider (#1241)

app/lib/modules/llm/providers/openai.ts

@@ -20,6 +20,47 @@ export default class OpenAIProvider extends BaseProvider {
     { name: 'gpt-3.5-turbo', label: 'GPT-3.5 Turbo', provider: 'OpenAI', maxTokenAllowed: 8000 },
   ];
 
+  async getDynamicModels(
+    apiKeys?: Record<string, string>,
+    settings?: IProviderSetting,
+    serverEnv?: Record<string, string>,
+  ): Promise<ModelInfo[]> {
+    const { apiKey } = this.getProviderBaseUrlAndKey({
+      apiKeys,
+      providerSettings: settings,
+      serverEnv: serverEnv as any,
+      defaultBaseUrlKey: '',
+      defaultApiTokenKey: 'OPENAI_API_KEY',
+    });
+
+    if (!apiKey) {
+      throw `Missing Api Key configuration for ${this.name} provider`;
+    }
+
+    const response = await fetch(`https://api.openai.com/v1/models`, {
+      headers: {
+        Authorization: `Bearer ${apiKey}`,
+      },
+    });
+
+    const res = (await response.json()) as any;
+    const staticModelIds = this.staticModels.map((m) => m.name);
+
+    const data = res.data.filter(
+      (model: any) =>
+        model.object === 'model' &&
+        (model.id.startsWith('gpt-') || model.id.startsWith('o') || model.id.startsWith('chatgpt-')) &&
+        !staticModelIds.includes(model.id),
+    );
+
+    return data.map((m: any) => ({
+      name: m.id,
+      label: `${m.id}`,
+      provider: this.name,
+      maxTokenAllowed: m.context_window || 32000,
+    }));
+  }
+
   getModelInstance(options: {
     model: string;
     serverEnv: Env;