Image Generation

Updated on May 15, 2026

Overview

Image generation in just4o.chat is a universal tool—one interface, multiple models from different providers. No matter which chat model you're using (GPT, Claude, Gemini, or Grok), you can ask for images and the system routes your request to the LLM which creates the prompt for your pre-chosen image model configured on the account screen. You describe what you want; the model generates it.

Toggle image generation on in the chat composer, or use the dedicated Images page for a focused workflow with prompt input, reference images, and iteration history. Set your preferred model in Account → Image Generation. Choose aspect ratio and, for some models, quality or resolution. You'll clearly see cost estimates before each generation.

Image credits are billed monthly and reset each month. Check Account → Usage for your current limit and usage.

Images Page & Editor

The Images page offers a full editor: generate with or without reference images (limits vary by model), browse previous generations in a collapsible iterations list, and manage project media—all generations and uploads for that conversation. References are sent to the model for better consistency.

Built on Just4o.chat Files: pick from File Manager generations or upload. Drag-and-drop to add project media to references. Open the Images page from the sidebar or navigate to /images.

Wikipedia Image Pulls

Search Wikipedia articles directly from the Images page. Open the Wikipedia modal, enter a topic, and browse results. Each article shows its images—click "Tag" to save an image to your gallery for reuse, or "Use as ref" to add it as a reference for your next generation.

Tagged images persist across sessions and appear in your project media. Use them for style consistency, character references, or visual research without leaving the editor.

Models & Pricing

Image generation uses image credits. Each generated image costs a number of credits depending on the model and settings. You'll clearly see cost estimates before each generation.

Limits per tier: Explorer 0; Builder 10; Studio 25; Aurora 50; Pro 100 image credits per month. See the models table for per-image costs and reference image rules.

OpenAI

ModelReference imagesCredits per image
ChatGPT Image LatestUp to 8 references1–6
GPT Image 2Up to 8 references1–6
GPT Image 1.5Up to 8 references1–6

Google

ModelReference imagesCredits per image
Nano Banana / Gemini 2.5 Flash ImageUp to 3 references2
Nano Banana Pro / Gemini 3 Pro ImageUp to 8 references3–6
Nano Banana 2 / Gemini 3.1 Flash ImageUp to 8 references2–4
Imagen 4 FastUp to 3 references1
Imagen 4Up to 3 references1
Imagen 4 UltraUp to 3 references2

xAI

ModelReference imagesCredits per image
Grok ImagineUp to 3 references1
Grok Imagine Image (Quality)Up to 3 references1–2

Black Forest Labs

ModelReference imagesCredits per image
FLUX.1 Kontext ProUp to 8 references1
FLUX.1 Kontext MaxUp to 8 references2

ByteDance Seedream

ModelReference imagesCredits per image
Seedream 4.5Up to 10 references1
Image credits per month by tier
TierImage credits/month
Explorer0
Builder10
Studio25
Aurora50
Pro100

Open Images page to generate, edit, and manage your creations with reference images and Wikipedia integration.