Fixing LinkedIn Image Generation with the Correct Gemini Model

The devlog-ist/landing project focuses on creating landing pages, and a key feature is generating images for sharing on social media platforms like LinkedIn.

The Problem

Image generation for LinkedIn previews was failing due to an outdated Gemini model ID. The previous model, gemini-2.0-flash-preview-image-generation, was returning a 404 error, preventing the creation of these preview images.

The Solution

The fix involved updating the model ID used for image generation to the current, valid model: gemini-2.5-flash-image.

This ensures that the image generation process can successfully create the necessary previews for sharing content on LinkedIn.

// Old model ID (invalid)
const oldModelId = 'gemini-2.0-flash-preview-image-generation';

// New model ID (valid)
const newModelId = 'gemini-2.5-flash-image';

// Usage example (illustrative)
function generateLinkedInImage(text) {
  const modelId = newModelId; // Use the updated model ID
  // ... image generation logic using the model
  return generatedImage;
}

Key Takeaway

It's crucial to keep track of model deprecations and updates in external services. Regularly monitor API responses and error logs to identify and address issues promptly, ensuring continued functionality and preventing disruptions in features that rely on external APIs.