feature: added the latest gpt-4o to azure (#875)

.changeset/fluffy-papayas-promise.md

+---
+"llamaindex": patch
+---
+
+Added GPT-4o for Azure

packages/core/src/llm/azure.ts

@@ -17,6 +17,7 @@ const ALL_AZURE_OPENAI_CHAT_MODELS = {
     contextWindow: 16384,
     openAIModel: "gpt-3.5-turbo-16k",
   },
+  "gpt-4o": { contextWindow: 128000, openAIModel: "gpt-4o" },
   "gpt-4": { contextWindow: 8192, openAIModel: "gpt-4" },
   "gpt-4-32k": { contextWindow: 32768, openAIModel: "gpt-4-32k" },
   "gpt-4-turbo": {
@@ -62,6 +63,8 @@ const ALL_AZURE_API_VERSIONS = [
   "2024-02-01",
   "2024-02-15-preview",
   "2024-03-01-preview",
+  "2024-04-01-preview", // Contains gpt-4o
+  "2024-05-13", // Gives 404 for gpt-4o at time of writting this
 ];
 
 const DEFAULT_API_VERSION = "2023-05-15";