What is the difference between GPT Image 2 and GPT Image 2.5 Sunburst?

Both are developed by OpenAI but target different use cases. You can compare their actual outputs across 19 challenges on Rival to see how they differ in practice.

Which is better, GPT Image 2 or GPT Image 2.5 Sunburst?

It depends on your use case. GPT Image 2 and GPT Image 2.5 Sunburst each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 19 challenges so you can judge which fits your needs best.

How can I compare GPT Image 2 and GPT Image 2.5 Sunburst on Rival?

This page shows a side-by-side comparison of GPT Image 2 and GPT Image 2.5 Sunburst 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.

Updated Sep 2026

GPT Image 2vsGPT Image 2.5 Sunburst

GPT Image 2.5 Sunburst is the newer model, released after GPT Image 2.

GPT Image 2 and GPT Image 2.5 Sunburst compared across 19 shared prompts
Spec	GPT Image 2	GPT Image 2.5 Sunburst
Input price	—	$5/M tokens
Output price	—	$30/M tokens
Parameters	Not disclosed	Not disclosed
Weights	—	Closed
Free API (OpenRouter)	—	No
Released	Apr 2026	Sep 2026