diff --git a/Sources/OpenAI/Public/Models/Models/Models.swift b/Sources/OpenAI/Public/Models/Models/Models.swift
index 6d18cc67..f773f3e8 100644
--- a/Sources/OpenAI/Public/Models/Models/Models.swift
+++ b/Sources/OpenAI/Public/Models/Models/Models.swift
@@ -12,6 +12,9 @@ public extension Model {
     // Chat Completion
     // GPT-4
 
+    /// `gpt-4o`, currently the most advanced, multimodal flagship model that's cheaper and faster than GPT-4 Turbo.
+    static let gpt4_o = "gpt-4o"
+
     /// `gpt-4-turbo`, The latest GPT-4 Turbo model with vision capabilities. Vision requests can now use JSON mode and function calling and more. Context window: 128,000 tokens
     static let gpt4_turbo = "gpt-4-turbo"