From f959d787414d2581215f1aaad0244eaad9f765d7 Mon Sep 17 00:00:00 2001
From: Siddharth Ganesan <siddharthganesan@gmail.com>
Date: Tue, 10 Feb 2026 11:53:08 -0800
Subject: [PATCH] Fix azure anthropic

---
 apps/sim/app/api/copilot/chat/route.ts | 3 ++-
 apps/sim/lib/copilot/api.ts            | 1 +
 apps/sim/lib/copilot/chat-payload.ts   | 3 +++
 apps/sim/stores/panel/copilot/store.ts | 9 +++++++++
 4 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/apps/sim/app/api/copilot/chat/route.ts b/apps/sim/app/api/copilot/chat/route.ts
index 3fca3e32a..51568ed5f 100644
--- a/apps/sim/app/api/copilot/chat/route.ts
+++ b/apps/sim/app/api/copilot/chat/route.ts
@@ -50,7 +50,7 @@ const ChatMessageSchema = z.object({
   stream: z.boolean().optional().default(true),
   implicitFeedback: z.string().optional(),
   fileAttachments: z.array(FileAttachmentSchema).optional(),
-  provider: z.string().optional().default('openai'),
+  provider: z.string().optional(),
   conversationId: z.string().optional(),
   contexts: z
     .array(
@@ -205,6 +205,7 @@ export async function POST(req: NextRequest) {
         userMessageId: userMessageIdToUse,
         mode,
         model: selectedModel,
+        provider,
         conversationHistory,
         contexts: agentContexts,
         fileAttachments,
diff --git a/apps/sim/lib/copilot/api.ts b/apps/sim/lib/copilot/api.ts
index 06ac46b32..dd1bd8a0d 100644
--- a/apps/sim/lib/copilot/api.ts
+++ b/apps/sim/lib/copilot/api.ts
@@ -69,6 +69,7 @@ export interface SendMessageRequest {
   workflowId?: string
   mode?: CopilotMode | CopilotTransportMode
   model?: CopilotModelId
+  provider?: string
   prefetch?: boolean
   createNewChat?: boolean
   stream?: boolean
diff --git a/apps/sim/lib/copilot/chat-payload.ts b/apps/sim/lib/copilot/chat-payload.ts
index c4d92dae0..110dbfbc7 100644
--- a/apps/sim/lib/copilot/chat-payload.ts
+++ b/apps/sim/lib/copilot/chat-payload.ts
@@ -14,6 +14,7 @@ export interface BuildPayloadParams {
   userMessageId: string
   mode: string
   model: string
+  provider?: string
   conversationHistory?: unknown[]
   contexts?: Array<{ type: string; content: string }>
   fileAttachments?: Array<{ id: string; key: string; size: number; [key: string]: unknown }>
@@ -58,6 +59,7 @@ export async function buildCopilotRequestPayload(
     userId,
     userMessageId,
     mode,
+    provider,
     contexts,
     fileAttachments,
     commands,
@@ -146,6 +148,7 @@ export async function buildCopilotRequestPayload(
     workflowId,
     userId,
     model: selectedModel,
+    ...(provider ? { provider } : {}),
     mode: transportMode,
     messageId: userMessageId,
     version: SIM_AGENT_VERSION,
diff --git a/apps/sim/stores/panel/copilot/store.ts b/apps/sim/stores/panel/copilot/store.ts
index 01f81fb6d..d8684410d 100644
--- a/apps/sim/stores/panel/copilot/store.ts
+++ b/apps/sim/stores/panel/copilot/store.ts
@@ -299,6 +299,12 @@ type InitiateStreamResult =
   | { kind: 'success'; result: Awaited<ReturnType<typeof sendStreamingMessage>> }
   | { kind: 'error'; error: unknown }
 
+/** Look up the provider for the currently selected model from the available models list. */
+function getSelectedProvider(get: CopilotGet): string | undefined {
+  const selectedModel = get().selectedModel
+  return get().availableModels.find((m) => m.id === selectedModel)?.provider
+}
+
 function prepareSendContext(
   get: CopilotGet,
   set: CopilotSet,
@@ -489,6 +495,7 @@ async function initiateStream(
       workflowId: prepared.workflowId || undefined,
       mode: apiMode,
       model: get().selectedModel,
+      provider: getSelectedProvider(get),
       prefetch: get().agentPrefetch,
       createNewChat: !prepared.currentChat,
       stream: prepared.stream,
@@ -866,6 +873,7 @@ async function resumeFromLiveStream(
       chatId: resume.nextStream.chatId || get().currentChat?.id || undefined,
       mode: get().mode === 'ask' ? 'ask' : get().mode === 'plan' ? 'plan' : 'agent',
       model: get().selectedModel,
+      provider: getSelectedProvider(get),
       prefetch: get().agentPrefetch,
       stream: true,
       resumeFromEventId: resume.resumeFromEventId,
@@ -1437,6 +1445,7 @@ export const useCopilotStore = create<CopilotStore>()(
           workflowId,
           mode: apiMode,
           model: selectedModel,
+          provider: getSelectedProvider(get),
           prefetch: get().agentPrefetch,
           createNewChat: !currentChat,
           stream: true,