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OpenAI's GPT-Image-2.5 Launches and Tops the Image Arena
OpenAI released GPT-Image-2.5 with Flare and Sunburst variants, offering 50% faster generation, watermarks and C2PA metadata. The models quickly topped the image arena leaderboard.
2026-09-11 ~ 2026-09-13 · 2 episodes · 6 posts
Episode 1 · OpenAI's GPT-Image-2.5 Topped the Image Arena Leaderboard (2026-09-11, 4 posts)
OpenAI released GPT-Image-2.5 (Flare and Sunburst), with Sunburst topping LMArena's Image Arena and available via Direct Mode until September 13. Tests show higher quality, half the latency, and unchanged pricing.
- 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
- GPT-Image-2.5 Sunburst appears on Arena, direct access ends Sept 13 — arena · 2026-09-12
Episode 2 · OpenAI Releases GPT-Image-2.5: Up to 50% Faster, Adds Watermarks and C2PA Metadata (2026-09-12, 2 posts)
OpenAI has released GPT-Image-2.5 with Flare and Sunburst variants, up to 50% faster generation, more stable inpainting, watermarks and C2PA metadata, on top of over 3 billion images generated weekly.
- OpenAI releases GPT-Image-2.5 in Flare and Sunburst variants, up to 50% faster — dl_weekly · 2026-09-12
- OpenAI ships Images 2.5 with steadier local edits, 50% faster generation — 创业邦 · 2026-09-13