diff --git a/src/lib/providers/deepseek.ts b/src/lib/providers/deepseek.ts
index 46f2398..9c9ef5a 100644
--- a/src/lib/providers/deepseek.ts
+++ b/src/lib/providers/deepseek.ts
@@ -31,7 +31,7 @@ export const loadDeepseekChatModels = async () => {
       chatModels[model.key] = {
         displayName: model.displayName,
         model: new ChatOpenAI({
-          openAIApiKey: deepseekApiKey,
+          apiKey: deepseekApiKey,
           modelName: model.key,
           temperature: 0.7,
           configuration: {
diff --git a/src/lib/providers/groq.ts b/src/lib/providers/groq.ts
index 5435de4..6a196ee 100644
--- a/src/lib/providers/groq.ts
+++ b/src/lib/providers/groq.ts
@@ -29,12 +29,15 @@ export const loadGroqChatModels = async () => {
       chatModels[model.id] = {
         displayName: model.id,
         model: new ChatOpenAI({
-          openAIApiKey: groqApiKey,
+          apiKey: groqApiKey,
           modelName: model.id,
           temperature: 0.7,
           configuration: {
             baseURL: 'https://api.groq.com/openai/v1',
           },
+          metadata: {
+            'model-type': 'groq',
+          },
         }) as unknown as BaseChatModel,
       };
     });
diff --git a/src/lib/providers/lmstudio.ts b/src/lib/providers/lmstudio.ts
index 811208f..f79c0aa 100644
--- a/src/lib/providers/lmstudio.ts
+++ b/src/lib/providers/lmstudio.ts
@@ -47,7 +47,7 @@ export const loadLMStudioChatModels = async () => {
       chatModels[model.id] = {
         displayName: model.name || model.id,
         model: new ChatOpenAI({
-          openAIApiKey: 'lm-studio',
+          apiKey: 'lm-studio',
           configuration: {
             baseURL: ensureV1Endpoint(endpoint),
           },
@@ -83,7 +83,7 @@ export const loadLMStudioEmbeddingsModels = async () => {
       embeddingsModels[model.id] = {
         displayName: model.name || model.id,
         model: new OpenAIEmbeddings({
-          openAIApiKey: 'lm-studio',
+          apiKey: 'lm-studio',
           configuration: {
             baseURL: ensureV1Endpoint(endpoint),
           },
diff --git a/src/lib/providers/openai.ts b/src/lib/providers/openai.ts
index e68e574..c857b0e 100644
--- a/src/lib/providers/openai.ts
+++ b/src/lib/providers/openai.ts
@@ -67,7 +67,7 @@ export const loadOpenAIChatModels = async () => {
       chatModels[model.key] = {
         displayName: model.displayName,
         model: new ChatOpenAI({
-          openAIApiKey: openaiApiKey,
+          apiKey: openaiApiKey,
           modelName: model.key,
           temperature: 0.7,
         }) as unknown as BaseChatModel,
@@ -93,7 +93,7 @@ export const loadOpenAIEmbeddingModels = async () => {
       embeddingModels[model.key] = {
         displayName: model.displayName,
         model: new OpenAIEmbeddings({
-          openAIApiKey: openaiApiKey,
+          apiKey: openaiApiKey,
           modelName: model.key,
         }) as unknown as Embeddings,
       };