OpenAI’s September 8 release of ChatGPT Images 2.5 has anchored its 89.5% implied probability, delivering sharper subject preservation, more reliable multi-turn instruction following, precise local edits via sketches or annotations, and up to 50% faster generation compared with the prior version. Traders view the update as extending OpenAI’s edge in conversational image-to-image workflows just weeks before the late-October resolution. Google’s Nano Banana models, Black Forest Labs’ FLUX variants, and smaller players like Reve or Luma AI continue to post competitive benchmarks on specific tasks such as text rendering or multi-reference compositing, yet lack a comparable recent public leap. Market odds reflect aggregated capital assessing demonstrated stability and usability gains over historical release cycles in the image-editing segment.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedOpenAI 90%
Reve 15.4%
Google 7%
Luma AI 1.9%

OpenAI
90%

Reve
15%

7%

Luma AI
2%

Pruna
1%

KlingAI
1%

SpaceXAI
<1%

Alibaba
<1%

Tencent
<1%

Black Forest Labs
<1%

Microsoft AI
<1%

Meta
<1%

ByteDance
<1%

StepFun
<1%
OpenAI 90%
Reve 15.4%
Google 7%
Luma AI 1.9%

OpenAI
90%

Reve
15%

7%

Luma AI
2%

Pruna
1%

KlingAI
1%

SpaceXAI
<1%

Alibaba
<1%

Tencent
<1%

Black Forest Labs
<1%

Microsoft AI
<1%

Meta
<1%

ByteDance
<1%

StepFun
<1%
Results from the "Rank" column under the "Image Edit Arena" Leaderboard tab at https://arena.ai/leaderboard/image-edit (Overall) filtered for "Models" will be used to resolve this market.
Note: Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score. Models marked “Preliminary” at the applicable check time will be considered.
Models will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by which model is listed higher on the leaderboard. If a tie still remains, alphabetical order of company names as listed in this market group will be used as a final tiebreaker (e.g., “Google” would be ranked ahead of “SpaceXAI”). This market will resolve based on the company that occupies first place under this ranking.
The resolution source for this market is the arena.ai Image Edit Arena Leaderboard. If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and will resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve to "Other".
Market Opened: Sep 9, 2026, 3:56 PM ET
Resolver
0x69c47De9D...Results from the "Rank" column under the "Image Edit Arena" Leaderboard tab at https://arena.ai/leaderboard/image-edit (Overall) filtered for "Models" will be used to resolve this market.
Note: Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score. Models marked “Preliminary” at the applicable check time will be considered.
Models will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by which model is listed higher on the leaderboard. If a tie still remains, alphabetical order of company names as listed in this market group will be used as a final tiebreaker (e.g., “Google” would be ranked ahead of “SpaceXAI”). This market will resolve based on the company that occupies first place under this ranking.
The resolution source for this market is the arena.ai Image Edit Arena Leaderboard. If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and will resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve to "Other".
Resolver
0x69c47De9D...OpenAI’s September 8 release of ChatGPT Images 2.5 has anchored its 89.5% implied probability, delivering sharper subject preservation, more reliable multi-turn instruction following, precise local edits via sketches or annotations, and up to 50% faster generation compared with the prior version. Traders view the update as extending OpenAI’s edge in conversational image-to-image workflows just weeks before the late-October resolution. Google’s Nano Banana models, Black Forest Labs’ FLUX variants, and smaller players like Reve or Luma AI continue to post competitive benchmarks on specific tasks such as text rendering or multi-reference compositing, yet lack a comparable recent public leap. Market odds reflect aggregated capital assessing demonstrated stability and usability gains over historical release cycles in the image-editing segment.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated

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