OpenAI vs xAI — two tech giants' latest image models compared. GPT Image 2 at 20 credits vs Grok at 15.
Grok Imagine is no longer offered on Melies. GPT Image 2 is available today. The specs below are kept for reference.
GPT Image 2 from OpenAI and Grok Imagine from xAI represent two different approaches to AI image generation. OpenAI's latest image model with state-of-the-art photorealism, pixel-perfect text rendering, and flexible resolutions up to 4K. On the other side, xAI's flagship image model with exceptional realism and artistic range.
At 15 credits, Grok Imagine costs 5 credits less than GPT Image 2 (20 credits). Grok Imagine is no longer offered on Melies. GPT Image 2 is, along with the other current image models listed on the pricing page.
Updated November 2026
Grok Imagine is no longer offered on Melies, so GPT Image 2 is the one you can use here. At 20 credits, it is a fit for highest quality generation. For other options, compare the current image models and their credit costs on the pricing page.
| Provider | OpenAI | xAI |
| Released | Apr 2026 | Jul 2025 |
| Cost | 20 | 15 |
| Speed | Medium | Medium |
| Reference images | Up to 1 | Up to 3 |
| Editing |
Grok Imagine is 25% cheaper than GPT Image 2. Here's how credits add up at scale.
| Volume | GPT Image 2 | Grok Imagine |
|---|---|---|
| 10 images | 200 | 150 |
| 50 images | 1,000 | 750 |
| 100 images | 2,000 | 1,500 |
GPT Image 2 is worth the extra credits when the output needs to be perfect — portfolio pieces, client work, or final deliverables.
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Compare GPT Image 2 with the other image models on Melies side by side. Switch models with one click, same credits.
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