diff --git a/src/apis/index.js b/src/apis/index.js
index 48e6452..09aea94 100644
--- a/src/apis/index.js
+++ b/src/apis/index.js
@@ -21,6 +21,7 @@ import {
   OPT_TRANS_OLLAMA,
   OPT_TRANS_OLLAMA_2,
   OPT_TRANS_OLLAMA_3,
+  OPT_TRANS_OPENROUTER,
   OPT_TRANS_CUSTOMIZE,
   OPT_TRANS_CUSTOMIZE_2,
   OPT_TRANS_CUSTOMIZE_3,
@@ -316,6 +317,7 @@ export const apiTranslate = async ({
     case OPT_TRANS_OPENAI_2:
     case OPT_TRANS_OPENAI_3:
     case OPT_TRANS_GEMINI_2:
+    case OPT_TRANS_OPENROUTER:
       trText = res?.choices?.map((item) => item.message.content).join(" ");
       isSame = text === trText;
       break;
diff --git a/src/apis/trans.js b/src/apis/trans.js
index 24be8d4..c779185 100644
--- a/src/apis/trans.js
+++ b/src/apis/trans.js
@@ -20,6 +20,7 @@ import {
   OPT_TRANS_OLLAMA,
   OPT_TRANS_OLLAMA_2,
   OPT_TRANS_OLLAMA_3,
+  OPT_TRANS_OPENROUTER,
   OPT_TRANS_CUSTOMIZE,
   OPT_TRANS_CUSTOMIZE_2,
   OPT_TRANS_CUSTOMIZE_3,
@@ -465,6 +466,62 @@ const genClaude = ({
   return [url, init];
 };
 
+const genOpenRouter = ({
+  text,
+  from,
+  to,
+  url,
+  key,
+  systemPrompt,
+  userPrompt,
+  model,
+  temperature,
+  maxTokens,
+  customHeader,
+  customBody,
+}) => {
+  systemPrompt = systemPrompt
+    .replaceAll(INPUT_PLACE_FROM, from)
+    .replaceAll(INPUT_PLACE_TO, to)
+    .replaceAll(INPUT_PLACE_TEXT, text);
+  userPrompt = userPrompt
+    .replaceAll(INPUT_PLACE_FROM, from)
+    .replaceAll(INPUT_PLACE_TO, to)
+    .replaceAll(INPUT_PLACE_TEXT, text);
+
+  customHeader = parseJsonObj(customHeader);
+  customBody = parseJsonObj(customBody);
+
+  const data = {
+    model,
+    messages: [
+      {
+        role: "system",
+        content: systemPrompt,
+      },
+      {
+        role: "user",
+        content: userPrompt,
+      },
+    ],
+    temperature,
+    max_tokens: maxTokens,
+    ...customBody,
+  };
+
+  const init = {
+    headers: {
+      "Content-type": "application/json",
+      Authorization: `Bearer ${key}`,
+      ...customHeader,
+    },
+    method: "POST",
+    body: JSON.stringify(data),
+  };
+
+  return [url, init];
+};
+
 const genOllama = ({
   text,
   from,
@@ -587,6 +644,7 @@ export const genTransReq = ({ translator, text, from, to }, apiSetting) => {
     case OPT_TRANS_OLLAMA:
     case OPT_TRANS_OLLAMA_2:
     case OPT_TRANS_OLLAMA_3:
+    case OPT_TRANS_OPENROUTER:
     case OPT_TRANS_NIUTRANS:
     case OPT_TRANS_CUSTOMIZE:
     case OPT_TRANS_CUSTOMIZE_2:
@@ -638,6 +696,8 @@ export const genTransReq = ({ translator, text, from, to }, apiSetting) => {
     case OPT_TRANS_OLLAMA_2:
     case OPT_TRANS_OLLAMA_3:
       return genOllama(args);
+    case OPT_TRANS_OPENROUTER:
+      return genOpenRouter(args);
     case OPT_TRANS_CUSTOMIZE:
     case OPT_TRANS_CUSTOMIZE_2:
     case OPT_TRANS_CUSTOMIZE_3:
diff --git a/src/config/index.js b/src/config/index.js
index e131ca5..c9864f4 100644
--- a/src/config/index.js
+++ b/src/config/index.js
@@ -136,6 +136,7 @@ export const OPT_TRANS_CLOUDFLAREAI = "CloudflareAI";
 export const OPT_TRANS_OLLAMA = "Ollama";
 export const OPT_TRANS_OLLAMA_2 = "Ollama2";
 export const OPT_TRANS_OLLAMA_3 = "Ollama3";
+export const OPT_TRANS_OPENROUTER = "OpenRouter";
 export const OPT_TRANS_CUSTOMIZE = "Custom";
 export const OPT_TRANS_CUSTOMIZE_2 = "Custom2";
 export const OPT_TRANS_CUSTOMIZE_3 = "Custom3";
@@ -162,6 +163,7 @@ export const OPT_TRANS_ALL = [
   OPT_TRANS_OLLAMA,
   OPT_TRANS_OLLAMA_2,
   OPT_TRANS_OLLAMA_3,
+  OPT_TRANS_OPENROUTER,
   OPT_TRANS_CUSTOMIZE,
   OPT_TRANS_CUSTOMIZE_2,
   OPT_TRANS_CUSTOMIZE_3,
@@ -331,6 +333,9 @@ export const OPT_LANGS_SPECIAL = {
   [OPT_TRANS_OLLAMA_3]: new Map(
     OPT_LANGS_FROM.map(([key, val]) => [key, val.split(" - ")[0]])
   ),
+  [OPT_TRANS_OPENROUTER]: new Map(
+    OPT_LANGS_FROM.map(([key, val]) => [key, val.split(" - ")[0]])
+  ),
   [OPT_TRANS_CLOUDFLAREAI]: new Map([
     ["auto", ""],
     ["zh-CN", "chinese"],
@@ -738,6 +743,22 @@ export const DEFAULT_TRANS_APIS = {
   [OPT_TRANS_OLLAMA]: defaultOllamaApi,
   [OPT_TRANS_OLLAMA_2]: defaultOllamaApi,
   [OPT_TRANS_OLLAMA_3]: defaultOllamaApi,
+  [OPT_TRANS_OPENROUTER]: {
+    url: "https://openrouter.ai/api/v1/chat/completions",
+    key: "",
+    model: "openai/gpt-4o",
+    systemPrompt: `You are a professional, authentic machine translation engine.`,
+    userPrompt: `Translate the following source text from ${INPUT_PLACE_FROM} to ${INPUT_PLACE_TO}. Output translation directly without any additional text.\n\nSource Text: ${INPUT_PLACE_TEXT}\n\nTranslated Text:`,
+    customHeader: "",
+    customBody: "",
+    temperature: 0,
+    maxTokens: 256,
+    fetchLimit: 1,
+    fetchInterval: 500,
+    apiName: OPT_TRANS_OPENROUTER,
+    isDisabled: false,
+    httpTimeout: DEFAULT_HTTP_TIMEOUT * 2,
+  },
   [OPT_TRANS_CUSTOMIZE]: defaultCustomApi,
   [OPT_TRANS_CUSTOMIZE_2]: defaultCustomApi,
   [OPT_TRANS_CUSTOMIZE_3]: defaultCustomApi,
diff --git a/src/views/Options/Apis.js b/src/views/Options/Apis.js
index fe7bacf..4832153 100644
--- a/src/views/Options/Apis.js
+++ b/src/views/Options/Apis.js
@@ -24,6 +24,7 @@ import {
   OPT_TRANS_OLLAMA,
   OPT_TRANS_OLLAMA_2,
   OPT_TRANS_OLLAMA_3,
+  OPT_TRANS_OPENROUTER,
   OPT_TRANS_CUSTOMIZE,
   OPT_TRANS_CUSTOMIZE_2,
   OPT_TRANS_CUSTOMIZE_3,
@@ -187,6 +188,7 @@ function ApiFields({ translator, api, updateApi, resetApi }) {
     OPT_TRANS_OLLAMA,
     OPT_TRANS_OLLAMA_2,
     OPT_TRANS_OLLAMA_3,
+    OPT_TRANS_OPENROUTER,
     OPT_TRANS_NIUTRANS,
     OPT_TRANS_CUSTOMIZE,
     OPT_TRANS_CUSTOMIZE_2,
@@ -249,6 +251,7 @@ function ApiFields({ translator, api, updateApi, resetApi }) {
       {(translator.startsWith(OPT_TRANS_OPENAI) ||
         translator.startsWith(OPT_TRANS_OLLAMA) ||
         translator === OPT_TRANS_CLAUDE ||
+        translator === OPT_TRANS_OPENROUTER ||
         translator.startsWith(OPT_TRANS_GEMINI)) && (
         <>
           <TextField
@@ -324,6 +327,7 @@ function ApiFields({ translator, api, updateApi, resetApi }) {
 
       {(translator.startsWith(OPT_TRANS_OPENAI) ||
         translator === OPT_TRANS_CLAUDE ||
+        translator === OPT_TRANS_OPENROUTER ||
         translator === OPT_TRANS_GEMINI ||
         translator === OPT_TRANS_GEMINI_2) && (
         <>