[FEAT] Add support for gemini-1.5-flash-latest model (#1502)

* add support for gemini-1.5-flash-latest

* update comment in gemini LLM provider

frontend/src/components/LLMSelection/GeminiLLMOptions/index.jsx

@@ -30,7 +30,11 @@ export default function GeminiLLMOptions({ settings }) {
                 required={true}
                 className="bg-zinc-900 border-gray-500 text-white text-sm rounded-lg block w-full p-2.5"
               >
-                {["gemini-pro", "gemini-1.5-pro-latest"].map((model) => {
+                {[
+                  "gemini-pro",
+                  "gemini-1.5-pro-latest",
+                  "gemini-1.5-flash-latest",
+                ].map((model) => {
                   return (
                     <option key={model} value={model}>
                       {model}

frontend/src/hooks/useGetProvidersModels.js

@@ -10,7 +10,7 @@ export const DISABLED_PROVIDERS = [
 ];
 const PROVIDER_DEFAULT_MODELS = {
   openai: [],
-  gemini: ["gemini-pro", "gemini-1.5-pro-latest"],
+  gemini: ["gemini-pro", "gemini-1.5-pro-latest", "gemini-1.5-flash-latest"],
   anthropic: [
     "claude-instant-1.2",
     "claude-2.0",

server/utils/AiProviders/gemini/index.js

@@ -17,8 +17,12 @@ class GeminiLLM {
     this.gemini = genAI.getGenerativeModel(
       { model: this.model },
       {
-        // Gemini-1.5-pro is only available on the v1beta API.
-        apiVersion: this.model === "gemini-1.5-pro-latest" ? "v1beta" : "v1",
+        // Gemini-1.5-pro and Gemini-1.5-flash are only available on the v1beta API.
+        apiVersion:
+          this.model === "gemini-1.5-pro-latest" ||
+          this.model === "gemini-1.5-flash-latest"
+            ? "v1beta"
+            : "v1",
       }
     );
     this.limits = {
@@ -95,7 +99,11 @@ class GeminiLLM {
   }
 
   isValidChatCompletionModel(modelName = "") {
-    const validModels = ["gemini-pro", "gemini-1.5-pro-latest"];
+    const validModels = [
+      "gemini-pro",
+      "gemini-1.5-pro-latest",
+      "gemini-1.5-flash-latest",
+    ];
     return validModels.includes(modelName);
   }
 

server/utils/helpers/updateENV.js

@@ -526,7 +526,11 @@ function supportedTranscriptionProvider(input = "") {
 }
 
 function validGeminiModel(input = "") {
-  const validModels = ["gemini-pro", "gemini-1.5-pro-latest"];
+  const validModels = [
+    "gemini-pro",
+    "gemini-1.5-pro-latest",
+    "gemini-1.5-flash-latest",
+  ];
   return validModels.includes(input)
     ? null
     : `Invalid Model type. Must be one of ${validModels.join(", ")}.`;