GPT Image 1.5 is the newer model, released after Grok Imagine Image.
One prompt, one photorealistic portrait. Skin, eyes, light.
Which answer wins?
| Spec | ||
|---|---|---|
| Released | Dec 2025 | Dec 2025 |
GPT Image 1.5 is developed by OpenAI while Grok Imagine Image is developed by xAI. You can compare their actual outputs across 17 challenges on Rival to see how they differ in practice.
It depends on your use case. GPT Image 1.5 and Grok Imagine Image each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 17 challenges so you can judge which fits your needs best.
This page shows a side-by-side comparison of GPT Image 1.5 and Grok Imagine Image across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.