diff --git a/src/config.ts b/src/config.ts
index 7c0c7f1..ad4fba5 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -14,6 +14,7 @@ interface Config {
     GROQ: string;
   };
   API_ENDPOINTS: {
+    OPENAI_BASE_URL: string;
     SEARXNG: string;
     OLLAMA: string;
   };
@@ -41,6 +42,9 @@ export const getSearxngApiEndpoint = () => loadConfig().API_ENDPOINTS.SEARXNG;
 
 export const getOllamaApiEndpoint = () => loadConfig().API_ENDPOINTS.OLLAMA;
 
+export const getOpenaiApiEndpoint = () =>
+  loadConfig().API_ENDPOINTS.OPENAI_BASE_URL;
+
 export const updateConfig = (config: RecursivePartial<Config>) => {
   const currentConfig = loadConfig();
 
diff --git a/src/lib/providers.ts b/src/lib/providers.ts
index 9b62ce0..87a0714 100644
--- a/src/lib/providers.ts
+++ b/src/lib/providers.ts
@@ -4,6 +4,7 @@ import { OllamaEmbeddings } from '@langchain/community/embeddings/ollama';
 import {
   getGroqApiKey,
   getOllamaApiEndpoint,
+  getOpenaiApiEndpoint,
   getOpenaiApiKey,
 } from '../config';
 import logger from '../utils/logger';
@@ -12,6 +13,7 @@ export const getAvailableProviders = async () => {
   const openAIApiKey = getOpenaiApiKey();
   const groqApiKey = getGroqApiKey();
   const ollamaEndpoint = getOllamaApiEndpoint();
+  const openaiEndpoint = getOpenaiApiEndpoint();
 
   const models = {};
 
@@ -20,21 +22,33 @@ export const getAvailableProviders = async () => {
       models['openai'] = {
         'GPT-3.5 turbo': new ChatOpenAI({
           openAIApiKey,
+          configuration: {
+            baseURL: openaiEndpoint,
+          },
           modelName: 'gpt-3.5-turbo',
           temperature: 0.7,
         }),
         'GPT-4': new ChatOpenAI({
           openAIApiKey,
+          configuration: {
+            baseURL: openaiEndpoint,
+          },
           modelName: 'gpt-4',
           temperature: 0.7,
         }),
         'GPT-4 turbo': new ChatOpenAI({
           openAIApiKey,
+          configuration: {
+            baseURL: openaiEndpoint,
+          },
           modelName: 'gpt-4-turbo',
           temperature: 0.7,
         }),
         embeddings: new OpenAIEmbeddings({
           openAIApiKey,
+          configuration: {
+            baseURL: openaiEndpoint,
+          },
           modelName: 'text-embedding-3-large',
         }),
       };
diff --git a/src/routes/config.ts b/src/routes/config.ts
index 1bb9246..6cc6763 100644
--- a/src/routes/config.ts
+++ b/src/routes/config.ts
@@ -4,6 +4,7 @@ import {
   getGroqApiKey,
   getOllamaApiEndpoint,
   getOpenaiApiKey,
+  getOpenaiApiEndpoint,
   updateConfig,
 } from '../config';
 
@@ -27,6 +28,7 @@ router.get('/', async (_, res) => {
   config['openaiApiKey'] = getOpenaiApiKey();
   config['ollamaApiUrl'] = getOllamaApiEndpoint();
   config['groqApiKey'] = getGroqApiKey();
+  config['openaiApiUrl'] = getOpenaiApiEndpoint();
 
   res.status(200).json(config);
 });
@@ -41,6 +43,7 @@ router.post('/', async (req, res) => {
     },
     API_ENDPOINTS: {
       OLLAMA: config.ollamaApiUrl,
+      OPENAI: config.openaiApiUrl,
     },
   };