GPT Image 2.5 Blog
Insights, updates and stories from our team
Product Update2026/09/04
GPT Image 2.5: Everything We Know About OpenAI's Next Image Model
A deep dive into GPT Image 2.5 — the luna-lisa-alpha and mona-lisa-1 Arena checkpoints, the imageGen25 strings in Codex, what testers report on typography, realism, and edit consistency, and how it builds on GPT Image 2.
Comparison Guide2026/09/04
GPT Image 2.5 vs GPT Image 2 vs GPT Image 1.5: What Actually Changes?
A side-by-side comparison of GPT Image 1.5, GPT Image 2, and the expected GPT Image 2.5 — reasoning, typography, realism, editing consistency, speed, batch output, and cost — and which one to use for your work.