Update gemini model names. (#5262)

Co-authored-by: Aaron Sells <aaron.b.sells@nasa.gov>

Author: Oht8wooWi8yait9n

backend/onyx/llm/llm_provider_options.py

@@ -121,8 +121,11 @@ class WellKnownLLMProviderDescriptor(BaseModel):
 VERTEXAI_DEFAULT_FAST_MODEL = "gemini-2.0-flash-lite"
 VERTEXAI_MODEL_NAMES = [
     # 2.5 pro models
-    "gemini-2.5-pro-preview-06-05",
-    "gemini-2.5-pro-preview-05-06",
+    "gemini-2.5-pro",
+    "gemini-2.5-flash",
+    "gemini-2.5-flash-lite",
+    #"gemini-2.5-pro-preview-06-05",
+    #"gemini-2.5-pro-preview-05-06",
     # 2.0 flash-lite models
     VERTEXAI_DEFAULT_FAST_MODEL,
     "gemini-2.0-flash-lite-001",

web/src/lib/hooks.ts

@@ -882,7 +882,10 @@ const MODEL_DISPLAY_NAMES: { [key: string]: string } = {
   // Google Models
 
   // 2.5 pro models
-  "gemini-2.5-pro-preview-05-06": "Gemini 2.5 Pro (Preview May 6th)",
+  "gemini-2.5-pro": "Gemini 2.5 Pro",
+  "gemini-2.5-flash": "Gemini 2.5 Flash",
+  "gemini-2.5-flash-lite": "Gemini 2.5 Flash Lite",
+  // "gemini-2.5-pro-preview-05-06": "Gemini 2.5 Pro (Preview May 6th)",
 
   // 2.0 flash lite models
   "gemini-2.0-flash-lite": "Gemini 2.0 Flash Lite",
@@ -894,7 +897,7 @@ const MODEL_DISPLAY_NAMES: { [key: string]: string } = {
   "gemini-2.0-flash": "Gemini 2.0 Flash",
   "gemini-2.0-flash-001": "Gemini 2.0 Flash (v1)",
   "gemini-2.0-flash-exp": "Gemini 2.0 Flash (Experimental)",
-  "gemini-2.5-flash-preview-05-20": "Gemini 2.5 Flash (Preview May 20th)",
+  // "gemini-2.5-flash-preview-05-20": "Gemini 2.5 Flash (Preview May 20th)",
   // "gemini-2.0-flash-thinking-exp-01-02":
   //   "Gemini 2.0 Flash Thinking (Experimental January 2nd)",
   // "gemini-2.0-flash-thinking-exp-01-21":