diff --git a/src/shared/key-management/openai/provider.ts b/src/shared/key-management/openai/provider.ts
index 353db3c..4efc883 100644
--- a/src/shared/key-management/openai/provider.ts
+++ b/src/shared/key-management/openai/provider.ts
@@ -150,7 +150,8 @@ export class OpenAIKeyProvider implements KeyProvider<OpenAIKey> {
     const isGpt5Model = /^gpt-5(-mini|-nano)?(-\d{4}-\d{2}-\d{2})?$/.test(model) || model === "gpt-5-chat-latest";
     const isO1Model = /^o1(-mini|-preview)?(-\d{4}-\d{2}-\d{2})?$/.test(model);
     const isO3Model = /^o3(-mini)?(-\d{4}-\d{2}-\d{2})?$/.test(model);
-    const requiresVerifiedStreaming = (isGpt5Model || isO1Model || isO3Model) && streaming;
+    const isO4MiniModel = /^o4-mini(-\d{4}-\d{2}-\d{2})?$/.test(model);
+    const requiresVerifiedStreaming = (isGpt5Model || isO1Model || isO3Model || isO4MiniModel) && streaming;
 
     // First, filter keys based on basic criteria
     let availableKeys = this.keys.filter(
@@ -196,7 +197,7 @@ export class OpenAIKeyProvider implements KeyProvider<OpenAIKey> {
     }
     
     // For streaming requests with models that require verified organizations
-    // GPT-5, o1, and o3 models require verified organizations for streaming
+    // GPT-5, o1, o3, and o4-mini models require verified organizations for streaming
     if (requiresVerifiedStreaming) {
       this.log.debug(
         { model, keyCount: availableKeys.length, streaming },
@@ -226,7 +227,7 @@ export class OpenAIKeyProvider implements KeyProvider<OpenAIKey> {
     if (availableKeys.length === 0) {
       if (requiresVerifiedStreaming) {
         throw new PaymentRequiredError(
-          "No verified OpenAI keys available for streaming GPT-5, o1, or o3 models. Only verified organizations can stream these models. Please disable streaming or contact support to verify your organization."
+          "No verified OpenAI keys available for streaming GPT-5, o1, o3, or o4-mini models. Only verified organizations can stream these models. Please disable streaming or contact support to verify your organization."
         );
       }
       throw new PaymentRequiredError(