Merge pull request #643 from Portkey-AI/mintlify/add-gemini-pr-630-changes-88554

Add image_config parameter to Gemini image generation examples

Author: narengogi

integrations/llms/gemini.mdx

@@ -2185,6 +2185,10 @@ response = portkey.chat.completions.create(
     max_tokens=32768,
     stream=False,
     modalities=["image"],
+    image_config={    # optional
+        "aspect_ratio": "16:9",
+        "image_size": "2K"
+    },
     messages=[
         {
             "role": "system",
@@ -2224,6 +2228,10 @@ async function generateImage() {
         max_tokens: 32768,
         stream: false,
         modalities: ["image"],
+        image_config: {    // optional
+            aspect_ratio: "16:9",
+            image_size: "2K"
+        },
         messages: [
             {
                 role: "system",
@@ -2269,6 +2277,10 @@ async function generateImage() {
         max_tokens: 32768,
         stream: false,
         modalities: ["image"],
+        image_config: {    // optional
+            aspect_ratio: "16:9",
+            image_size: "2K"
+        },
         messages: [
             {
                 role: "system",
@@ -2310,6 +2322,10 @@ response = openai.chat.completions.create(
     max_tokens=32768,
     stream=False,
     modalities=["image"],
+    image_config={    # optional
+        "aspect_ratio": "16:9",
+        "image_size": "2K"
+    },
     messages=[
         {
             "role": "system",
@@ -2341,6 +2357,10 @@ curl "https://api.portkey.ai/v1/chat/completions" \
     "max_tokens": 32768,
     "stream": false,
     "modalities": ["image"],
+    "image_config": {
+        "aspect_ratio": "16:9",
+        "image_size": "2K"
+    },
     "messages": [
         {
             "role": "system",
@@ -2371,6 +2391,10 @@ response = portkey.chat.completions.create(
     max_tokens=32768,
     stream=False,
     modalities=["text", "image"],  # Include both text and image
+    image_config={    # optional
+        "aspect_ratio": "16:9",
+        "image_size": "2K"
+    },
     messages=[
         {
             "role": "user",
@@ -2391,6 +2415,10 @@ const response = await portkey.chat.completions.create({
     max_tokens: 32768,
     stream: false,
     modalities: ["text", "image"],  // Include both text and image
+    image_config: {    // optional
+        aspect_ratio: "16:9",
+        image_size: "2K"
+    },
     messages: [
         {
             role: "user",
@@ -2417,6 +2445,10 @@ curl "https://api.portkey.ai/v1/chat/completions" \
     "max_tokens": 32768,
     "stream": false,
     "modalities": ["text", "image"],
+    "image_config": {
+        "aspect_ratio": "16:9",
+        "image_size": "2K"
+    },
     "messages": [
         {
             "role": "user",
@@ -2443,6 +2475,10 @@ initial_response = portkey.chat.completions.create(
     model="gemini-3-pro-image-preview",
     max_tokens=32768,
     modalities=["text", "image"],
+    image_config={    # optional
+        "aspect_ratio": "16:9",
+        "image_size": "2K"
+    },
     messages=[
         {
             "role": "user",
@@ -2464,6 +2500,10 @@ edit_response = portkey.chat.completions.create(
     model="gemini-3-pro-image-preview",
     max_tokens=32768,
     modalities=["text", "image"],
+    image_config={    # optional
+        "aspect_ratio": "16:9",
+        "image_size": "2K"
+    },
     messages=[
         {
             "role": "user",
@@ -2494,6 +2534,10 @@ const initialResponse = await portkey.chat.completions.create({
     model: "gemini-3-pro-image-preview",
     max_tokens: 32768,
     modalities: ["text", "image"],
+    image_config: {    // optional
+        aspect_ratio: "16:9",
+        image_size: "2K"
+    },
     messages: [
         {
             role: "user",
@@ -2515,6 +2559,10 @@ const editResponse = await portkey.chat.completions.create({
     model: "gemini-3-pro-image-preview",
     max_tokens: 32768,
     modalities: ["text", "image"],
+    image_config: {    // optional
+        aspect_ratio: "16:9",
+        image_size: "2K"
+    },
     messages: [
         {
             role: "user",