diff --git a/apps/sim/app/api/copilot/chat/route.test.ts b/apps/sim/app/api/copilot/chat/route.test.ts
index 2f94453a095..71912a60d88 100644
--- a/apps/sim/app/api/copilot/chat/route.test.ts
+++ b/apps/sim/app/api/copilot/chat/route.test.ts
@@ -224,11 +224,6 @@ describe('Copilot Chat API Route', () => {
             stream: true,
             streamToolCalls: true,
             mode: 'agent',
-            provider: {
-              provider: 'anthropic',
-              model: 'claude-3-haiku-20240307',
-              apiKey: 'test-sim-agent-key',
-            },
             depth: 0,
             origin: 'http://localhost:3000',
           }),
@@ -292,11 +287,6 @@ describe('Copilot Chat API Route', () => {
             stream: true,
             streamToolCalls: true,
             mode: 'agent',
-            provider: {
-              provider: 'anthropic',
-              model: 'claude-3-haiku-20240307',
-              apiKey: 'test-sim-agent-key',
-            },
             depth: 0,
             origin: 'http://localhost:3000',
           }),
@@ -352,11 +342,6 @@ describe('Copilot Chat API Route', () => {
             stream: true,
             streamToolCalls: true,
             mode: 'agent',
-            provider: {
-              provider: 'anthropic',
-              model: 'claude-3-haiku-20240307',
-              apiKey: 'test-sim-agent-key',
-            },
             depth: 0,
             origin: 'http://localhost:3000',
           }),
@@ -452,11 +437,6 @@ describe('Copilot Chat API Route', () => {
             stream: true,
             streamToolCalls: true,
             mode: 'ask',
-            provider: {
-              provider: 'anthropic',
-              model: 'claude-3-haiku-20240307',
-              apiKey: 'test-sim-agent-key',
-            },
             depth: 0,
             origin: 'http://localhost:3000',
           }),
diff --git a/apps/sim/app/api/copilot/chat/route.ts b/apps/sim/app/api/copilot/chat/route.ts
index 1d47c8ea024..57a7baf3cdd 100644
--- a/apps/sim/app/api/copilot/chat/route.ts
+++ b/apps/sim/app/api/copilot/chat/route.ts
@@ -401,24 +401,26 @@ export async function POST(req: NextRequest) {
     }
 
     const defaults = getCopilotModel('chat')
-    const providerToUse = (env.COPILOT_PROVIDER as any) || defaults.provider
     const modelToUse = env.COPILOT_MODEL || defaults.model
 
-    let providerConfig: CopilotProviderConfig
-
-    if (providerToUse === 'azure-openai') {
-      providerConfig = {
-        provider: 'azure-openai',
-        model: modelToUse,
-        apiKey: env.AZURE_OPENAI_API_KEY,
-        apiVersion: env.AZURE_OPENAI_API_VERSION,
-        endpoint: env.AZURE_OPENAI_ENDPOINT,
-      }
-    } else {
-      providerConfig = {
-        provider: providerToUse,
-        model: modelToUse,
-        apiKey: env.COPILOT_API_KEY,
+    let providerConfig: CopilotProviderConfig | undefined
+    const providerEnv = env.COPILOT_PROVIDER as any
+
+    if (providerEnv) {
+      if (providerEnv === 'azure-openai') {
+        providerConfig = {
+          provider: 'azure-openai',
+          model: modelToUse,
+          apiKey: env.AZURE_OPENAI_API_KEY,
+          apiVersion: env.AZURE_OPENAI_API_VERSION,
+          endpoint: env.AZURE_OPENAI_ENDPOINT,
+        }
+      } else {
+        providerConfig = {
+          provider: providerEnv,
+          model: modelToUse,
+          apiKey: env.COPILOT_API_KEY,
+        }
       }
     }
 
@@ -438,7 +440,7 @@ export async function POST(req: NextRequest) {
       stream: stream,
       streamToolCalls: true,
       mode: mode,
-      provider: providerConfig,
+      ...(providerConfig ? { provider: providerConfig } : {}),
       ...(effectiveConversationId ? { conversationId: effectiveConversationId } : {}),
       ...(typeof effectiveDepth === 'number' ? { depth: effectiveDepth } : {}),
       ...(typeof effectivePrefetch === 'boolean' ? { prefetch: effectivePrefetch } : {}),