OpenAI's GPT Image 2.5 Tops Image Arena with Halved Latency

OpenAI released GPT Image 2.5 (Flare/Sunburst), topping LMArena's Image Arena with higher quality, half the latency of GPT Image 2 and unchanged pricing, available in Direct Mode until September 13—though old prompts reportedly underperform.

2026-09-11 ~ 2026-09-12 · 3 related posts

• OpenAI's GPT-Image-2.5 Sunburst Tops Image Arena, Direct Access Ends Sept 13 — arena · 2026-09-11
• GPT Image 2.5 Flare and Sunburst sweep Artificial Analysis Image Arena at half the latency, same price — ArtificialAnlys · 2026-09-12
• GPT Image 2.5 Tops Image Arena, but Old Prompts Cause Artifacts, User Ablations Find — altryne · 2026-09-12