feat(providers): add gemini

package.json

@@ -31,6 +31,7 @@
     "@langchain/anthropic": "^0.2.3",
     "@langchain/community": "^0.2.16",
     "@langchain/openai": "^0.0.25",
+    "@langchain/google-genai": "^0.0.23",
     "@xenova/transformers": "^2.17.1",
     "axios": "^1.6.8",
     "better-sqlite3": "^11.0.0",

sample.config.toml

@@ -7,6 +7,7 @@ KEEP_ALIVE = "5m" # How long to keep Ollama models loaded into memory. (Instead
 OPENAI = "" # OpenAI API key - sk-1234567890abcdef1234567890abcdef
 GROQ = "" # Groq API key - gsk_1234567890abcdef1234567890abcdef
 ANTHROPIC = "" # Anthropic API key - sk-ant-1234567890abcdef1234567890abcdef
+GEMINI = "" # Gemini API key - sk-1234567890abcdef1234567890abcdef
 
 [API_ENDPOINTS]
 SEARXNG = "http://localhost:32768" # SearxNG API URL

src/config.ts

@@ -14,6 +14,7 @@ interface Config {
     OPENAI: string;
     GROQ: string;
     ANTHROPIC: string;
+    GEMINI: string;
   };
   API_ENDPOINTS: {
     SEARXNG: string;
@@ -43,6 +44,8 @@ export const getGroqApiKey = () => loadConfig().API_KEYS.GROQ;
 
 export const getAnthropicApiKey = () => loadConfig().API_KEYS.ANTHROPIC;
 
+export const getGeminiApiKey = () => loadConfig().API_KEYS.GEMINI;
+
 export const getSearxngApiEndpoint = () =>
   process.env.SEARXNG_API_URL || loadConfig().API_ENDPOINTS.SEARXNG;
 

src/lib/providers/gemini.ts

@@ -0,0 +1,69 @@
+import {
+  ChatGoogleGenerativeAI,
+  GoogleGenerativeAIEmbeddings,
+} from '@langchain/google-genai';
+import { getGeminiApiKey } from '../../config';
+import logger from '../../utils/logger';
+
+export const loadGeminiChatModels = async () => {
+  const geminiApiKey = getGeminiApiKey();
+
+  if (!geminiApiKey) return {};
+
+  try {
+    const chatModels = {
+      'gemini-1.5-flash': {
+        displayName: 'Gemini 1.5 Flash',
+        model: new ChatGoogleGenerativeAI({
+          modelName: 'gemini-1.5-flash',
+          temperature: 0.7,
+          apiKey: geminiApiKey,
+        }),
+      },
+      'gemini-1.5-flash-8b': {
+        displayName: 'Gemini 1.5 Flash 8B',
+        model: new ChatGoogleGenerativeAI({
+          modelName: 'gemini-1.5-flash-8b',
+          temperature: 0.7,
+          apiKey: geminiApiKey,
+        }),
+      },
+      'gemini-1.5-pro': {
+        displayName: 'Gemini 1.5 Pro',
+        model: new ChatGoogleGenerativeAI({
+          modelName: 'gemini-1.5-pro',
+          temperature: 0.7,
+          apiKey: geminiApiKey,
+        }),
+      },
+    };
+
+    return chatModels;
+  } catch (err) {
+    logger.error(`Error loading Gemini models: ${err}`);
+    return {};
+  }
+};
+
+export const loadGeminiEmbeddingsModels = async () => {
+  const geminiApiKey = getGeminiApiKey();
+
+  if (!geminiApiKey) return {};
+
+  try {
+    const embeddingModels = {
+      'text-embedding-004': {
+        displayName: 'Text Embedding',
+        model: new GoogleGenerativeAIEmbeddings({
+          apiKey: geminiApiKey,
+          modelName: 'text-embedding-004',
+        }),
+      },
+    };
+
+    return embeddingModels;
+  } catch (err) {
+    logger.error(`Error loading Gemini embeddings model: ${err}`);
+    return {};
+  }
+};

src/lib/providers/index.ts

@@ -3,18 +3,21 @@ import { loadOllamaChatModels, loadOllamaEmbeddingsModels } from './ollama';
 import { loadOpenAIChatModels, loadOpenAIEmbeddingsModels } from './openai';
 import { loadAnthropicChatModels } from './anthropic';
 import { loadTransformersEmbeddingsModels } from './transformers';
+import { loadGeminiChatModels, loadGeminiEmbeddingsModels } from './gemini';
 
 const chatModelProviders = {
   openai: loadOpenAIChatModels,
   groq: loadGroqChatModels,
   ollama: loadOllamaChatModels,
   anthropic: loadAnthropicChatModels,
+  gemini: loadGeminiChatModels,
 };
 
 const embeddingModelProviders = {
   openai: loadOpenAIEmbeddingsModels,
   local: loadTransformersEmbeddingsModels,
   ollama: loadOllamaEmbeddingsModels,
+  gemini: loadGeminiEmbeddingsModels,
 };
 
 export const getAvailableChatModelProviders = async () => {

src/routes/config.ts

@@ -7,6 +7,7 @@ import {
   getGroqApiKey,
   getOllamaApiEndpoint,
   getAnthropicApiKey,
+  getGeminiApiKey,
   getOpenaiApiKey,
   updateConfig,
 } from '../config';
@@ -52,6 +53,7 @@ router.get('/', async (_, res) => {
     config['ollamaApiUrl'] = getOllamaApiEndpoint();
     config['anthropicApiKey'] = getAnthropicApiKey();
     config['groqApiKey'] = getGroqApiKey();
+    config['geminiApiKey'] = getGeminiApiKey();
     
     res.status(200).json(config);
   } catch (err: any) {
@@ -68,6 +70,7 @@ router.post('/', async (req, res) => {
       OPENAI: config.openaiApiKey,
       GROQ: config.groqApiKey,
       ANTHROPIC: config.anthropicApiKey,
+      GEMINI: config.geminiApiKey,
     },
     API_ENDPOINTS: {
       OLLAMA: config.ollamaApiUrl,

ui/components/SettingsDialog.tsx

@@ -63,6 +63,7 @@ interface SettingsType {
   openaiApiKey: string;
   groqApiKey: string;
   anthropicApiKey: string;
+  geminiApiKey: string;
   ollamaApiUrl: string;
 }
 
@@ -476,6 +477,22 @@ const SettingsDialog = ({
                         }
                       />
                     </div>
+                    <div className="flex flex-col space-y-1">
+                      <p className="text-black/70 dark:text-white/70 text-sm">
+                        Gemini API Key
+                      </p>
+                      <Input
+                        type="text"
+                        placeholder="Gemini API key"
+                        defaultValue={config.geminiApiKey}
+                        onChange={(e) =>
+                          setConfig({
+                            ...config,
+                            geminiApiKey: e.target.value,
+                          })
+                        }
+                      />
+                    </div>
                   </div>
                 )}
                 {isLoading && (

yarn.lock

@@ -293,6 +293,11 @@
   resolved "https://registry.yarnpkg.com/@esbuild/win32-x64/-/win32-x64-0.19.12.tgz#c57c8afbb4054a3ab8317591a0b7320360b444ae"
   integrity sha512-T1QyPSDCyMXaO3pzBkF96E8xMkiRYbUEZADd29SyPGabqxMViNoii+NcK7eWJAEoU6RZyEm5lVSIjTmcdoB9HA==
 
+"@google/generative-ai@^0.7.0":
+  version "0.7.1"
+  resolved "https://registry.yarnpkg.com/@google/generative-ai/-/generative-ai-0.7.1.tgz#eb187c75080c0706245699dbc06816c830d8c6a7"
+  integrity sha512-WTjMLLYL/xfA5BW6xAycRPiAX7FNHKAxrid/ayqC1QMam0KAK0NbMeS9Lubw80gVg5xFMLE+H7pw4wdNzTOlxw==
+
 "@huggingface/jinja@^0.2.2":
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/@huggingface/jinja/-/jinja-0.2.2.tgz#faeb205a9d6995089bef52655ddd8245d3190627"
@@ -380,6 +385,23 @@
     zod "^3.22.4"
     zod-to-json-schema "^3.22.3"
 
+"@langchain/core@>=0.2.16 <0.3.0":
+  version "0.2.36"
+  resolved "https://registry.yarnpkg.com/@langchain/core/-/core-0.2.36.tgz#75754c33aa5b9310dcf117047374a1ae011005a4"
+  integrity sha512-qHLvScqERDeH7y2cLuJaSAlMwg3f/3Oc9nayRSXRU2UuaK/SOhI42cxiPLj1FnuHJSmN0rBQFkrLx02gI4mcVg==
+  dependencies:
+    ansi-styles "^5.0.0"
+    camelcase "6"
+    decamelize "1.2.0"
+    js-tiktoken "^1.0.12"
+    langsmith "^0.1.56-rc.1"
+    mustache "^4.2.0"
+    p-queue "^6.6.2"
+    p-retry "4"
+    uuid "^10.0.0"
+    zod "^3.22.4"
+    zod-to-json-schema "^3.22.3"
+
 "@langchain/core@>=0.2.9 <0.3.0":
   version "0.2.15"
   resolved "https://registry.yarnpkg.com/@langchain/core/-/core-0.2.15.tgz#1bb99ac4fffe935c7ba37edcaa91abfba3c82219"
@@ -415,6 +437,15 @@
     zod "^3.22.4"
     zod-to-json-schema "^3.22.3"
 
+"@langchain/google-genai@^0.0.23":
+  version "0.0.23"
+  resolved "https://registry.yarnpkg.com/@langchain/google-genai/-/google-genai-0.0.23.tgz#e73af501bc1df4c7642b531759b82dc3eb7ae459"
+  integrity sha512-MTSCJEoKsfU1inz0PWvAjITdNFM4s41uvBCwLpcgx3jWJIEisczFD82x86ahYqJlb2fD6tohYSaCH/4tKAdkXA==
+  dependencies:
+    "@google/generative-ai" "^0.7.0"
+    "@langchain/core" ">=0.2.16 <0.3.0"
+    zod-to-json-schema "^3.22.4"
+
 "@langchain/openai@^0.0.25", "@langchain/openai@~0.0.19":
   version "0.0.25"
   resolved "https://registry.yarnpkg.com/@langchain/openai/-/openai-0.0.25.tgz#8332abea1e3acb9b1169f90636e518c0ee90622e"
@@ -712,6 +743,11 @@
   resolved "https://registry.yarnpkg.com/@types/triple-beam/-/triple-beam-1.3.5.tgz#74fef9ffbaa198eb8b588be029f38b00299caa2c"
   integrity sha512-6WaYesThRMCl19iryMYP7/x2OVgCtbIVflDGFpWnb9irXI3UjYE4AzmYuiUKY1AJstGijoY+MgUszMgRxIYTYw==
 
+"@types/uuid@^10.0.0":
+  version "10.0.0"
+  resolved "https://registry.yarnpkg.com/@types/uuid/-/uuid-10.0.0.tgz#e9c07fe50da0f53dc24970cca94d619ff03f6f6d"
+  integrity sha512-7gqG38EyHgyP1S+7+xomFtL+ZNHcKv6DwNaCZmJmo1vgMugyF3TCnXVg4t1uk89mLNwnLtnY3TpOpCOyp1/xHQ==
+
 "@types/uuid@^9.0.1":
   version "9.0.8"
   resolved "https://registry.yarnpkg.com/@types/uuid/-/uuid-9.0.8.tgz#7545ba4fc3c003d6c756f651f3bf163d8f0f29ba"
@@ -1900,6 +1936,18 @@ langchainhub@~0.0.8:
   resolved "https://registry.yarnpkg.com/langchainhub/-/langchainhub-0.0.8.tgz#fd4b96dc795e22e36c1a20bad31b61b0c33d3110"
   integrity sha512-Woyb8YDHgqqTOZvWIbm2CaFDGfZ4NTSyXV687AG4vXEfoNo7cGQp7nhl7wL3ehenKWmNEmcxCLgOZzW8jE6lOQ==
 
+langsmith@^0.1.56-rc.1:
+  version "0.1.68"
+  resolved "https://registry.yarnpkg.com/langsmith/-/langsmith-0.1.68.tgz#848332e822fe5e6734a07f1c36b6530cc1798afb"
+  integrity sha512-otmiysWtVAqzMx3CJ4PrtUBhWRG5Co8Z4o7hSZENPjlit9/j3/vm3TSvbaxpDYakZxtMjhkcJTqrdYFipISEiQ==
+  dependencies:
+    "@types/uuid" "^10.0.0"
+    commander "^10.0.1"
+    p-queue "^6.6.2"
+    p-retry "4"
+    semver "^7.6.3"
+    uuid "^10.0.0"
+
 langsmith@~0.1.1, langsmith@~0.1.7:
   version "0.1.14"
   resolved "https://registry.yarnpkg.com/langsmith/-/langsmith-0.1.14.tgz#2b889dbcfb49547614df276a4a5a063092a1585d"
@@ -2568,6 +2616,11 @@ semver@^7.3.5, semver@^7.5.3, semver@^7.5.4:
   dependencies:
     lru-cache "^6.0.0"
 
+semver@^7.6.3:
+  version "7.6.3"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-7.6.3.tgz#980f7b5550bc175fb4dc09403085627f9eb33143"
+  integrity sha512-oVekP1cKtI+CTDvHWYFUcMtsK/00wmAEfyqKfNdARm8u1wNVhSgaX7A8d4UuIlUI5e84iEwOhs7ZPYRmzU9U6A==
+
 send@0.18.0:
   version "0.18.0"
   resolved "https://registry.yarnpkg.com/send/-/send-0.18.0.tgz#670167cc654b05f5aa4a767f9113bb371bc706be"