diff --git a/internal/providers/configs/gemini.json b/internal/providers/configs/gemini.json
index 61e67c92cf703156b810f5714466f0949f764c92..bd928c29cbdee2cc30c1fd7fea98381055ca18ec 100644
--- a/internal/providers/configs/gemini.json
+++ b/internal/providers/configs/gemini.json
@@ -17,7 +17,8 @@
       "context_window": 1048576,
       "default_max_tokens": 64000,
       "can_reason": true,
-      "has_reasoning_efforts": false,
+      "reasoning_levels": ["low", "medium", "high"],
+      "default_reasoning_efforts": "medium",
       "supports_attachments": true
     },
     {
@@ -30,7 +31,8 @@
       "context_window": 1048576,
       "default_max_tokens": 64000,
       "can_reason": true,
-      "has_reasoning_efforts": false,
+      "reasoning_levels": ["low", "medium", "high"],
+      "default_reasoning_efforts": "medium",
       "supports_attachments": true
     },
     {
@@ -43,7 +45,8 @@
       "context_window": 1048576,
       "default_max_tokens": 64000,
       "can_reason": true,
-      "has_reasoning_efforts": false,
+      "reasoning_levels": ["low", "high"],
+      "default_reasoning_efforts": "high",
       "supports_attachments": true
     },
     {
@@ -56,6 +59,8 @@
       "context_window": 1048576,
       "default_max_tokens": 50000,
       "can_reason": true,
+      "reasoning_levels": ["minimal", "low", "medium", "high"],
+      "default_reasoning_efforts": "minimal",
       "supports_attachments": true
     },
     {