diff --git a/book_maker/cli.py b/book_maker/cli.py
index 4f1437f..fea8470 100644
--- a/book_maker/cli.py
+++ b/book_maker/cli.py
@@ -372,7 +372,7 @@ So you are close to reaching the limit. You have to choose your own value, there
         API_KEY = options.custom_api or env.get("BBM_CUSTOM_API")
         if not API_KEY:
             raise Exception("Please provide custom translate api")
-    elif options.model == "gemini":
+    elif options.model in ["gemini", "geminipro"]:
         API_KEY = options.gemini_key or env.get("BBM_GOOGLE_GEMINI_KEY")
     elif options.model == "groq":
         API_KEY = options.groq_key or env.get("BBM_GROQ_API_KEY")
@@ -488,6 +488,15 @@ So you are close to reaching the limit. You have to choose your own value, there
     if options.batch_use_flag:
         e.batch_use_flag = options.batch_use_flag
 
+    if options.model == "gemini":
+        if options.model_list:
+            e.translate_model.set_model_list(options.model_list.split(","))
+        else:
+            e.translate_model.set_geminiflash_models()
+
+    if options.model == "geminipro":
+        e.translate_model.set_geminipro_models()
+
     e.make_bilingual_book()
 
 
diff --git a/book_maker/translator/__init__.py b/book_maker/translator/__init__.py
index 8f848d5..3044027 100644
--- a/book_maker/translator/__init__.py
+++ b/book_maker/translator/__init__.py
@@ -21,6 +21,7 @@ MODEL_DICT = {
     "deeplfree": DeepLFree,
     "claude": Claude,
     "gemini": Gemini,
+    "geminipro": Gemini,
     "groq": GroqClient,
     "tencentransmart": TencentTranSmart,
     "customapi": CustomAPI,
diff --git a/book_maker/translator/gemini_translator.py b/book_maker/translator/gemini_translator.py
index fad32ae..0241d03 100644
--- a/book_maker/translator/gemini_translator.py
+++ b/book_maker/translator/gemini_translator.py
@@ -1,5 +1,7 @@
 import re
 import time
+from os import environ
+from itertools import cycle
 
 import google.generativeai as genai
 from google.generativeai.types.generation_types import (
@@ -28,6 +30,19 @@ safety_settings = [
         "category": "HARM_CATEGORY_DANGEROUS_CONTENT",
         "threshold": "BLOCK_MEDIUM_AND_ABOVE",
     },
+
+GEMINIPRO_MODEL_LIST = [
+    "gemini-1.5-pro",
+    "gemini-1.5-pro-latest",
+    "gemini-1.5-pro-001",
+    "gemini-1.5-pro-002",
+]
+
+GEMINIFLASH_MODEL_LIST = [
+    "gemini-1.5-flash",
+    "gemini-1.5-flash-latest",
+    "gemini-1.5-flash-001",
+    "gemini-1.5-flash-002",
 ]
 
 
@@ -50,11 +65,17 @@ class Gemini(Base):
         self.interval = interval
         generation_config["temperature"] = temperature
         model = genai.GenerativeModel(
-            model_name="gemini-pro",
+            model_name=self.model,
             generation_config=generation_config,
             safety_settings=safety_settings,
         )
         self.convo = model.start_chat()
+        # print(model)  # Uncomment to debug and inspect the model details. 
+
+    def rotate_model(self):
+        self.model = next(self.model_list)
+        self.create_convo()
+        print(f"Using model {self.model}")
 
     def rotate_key(self):
         pass
@@ -97,3 +118,28 @@ class Gemini(Base):
         if num:
             t_text = str(num) + "\n" + t_text
         return t_text
+
+    def set_geminipro_models(self):
+        self.set_models(GEMINIPRO_MODEL_LIST)
+
+    def set_geminiflash_models(self):
+        self.set_models(GEMINIFLASH_MODEL_LIST)
+
+    def set_models(self, allowed_models):
+        available_models = [
+            re.sub(r"^models/", "", i.name) for i in genai.list_models()
+        ]
+        model_list = sorted(
+            list(set(available_models) & set(allowed_models)),
+            key=allowed_models.index,
+        )
+        print(f"Using model list {model_list}")
+        self.model_list = cycle(model_list)
+        self.rotate_model()
+
+    def set_model_list(self, model_list):
+        # keep the order of input
+        model_list = sorted(list(set(model_list)), key=model_list.index)
+        print(f"Using model list {model_list}")
+        self.model_list = cycle(model_list)
+        self.rotate_model()