OpenAI market share this week — OpenAI market share - Sep 28, 2026
Markets
Every market on this event, moneyline first. Select one to compare it across platforms in the side panel.
| Outcome | Best | Volume | Azuro | Gemini | Kalshi | Limitless | Novig | Polymarket | Polymarket US |
|---|---|---|---|---|---|---|---|---|---|
Above 13.3% Winner | 99.0%Kalshi | $4.6K | — | — | — | — | — | — | |
Above 16.0% Winner | 99.0%Kalshi | $9.4K | — | — | — | — | — | — | |
Above 17.6% Winner | 99.0%Kalshi | $50.4K | — | — | — | — | — | — | |
Above 18.1% Winner | 99.0%Kalshi | $99.9K | — | — | — | — | — | — | |
Above 18.5% | 2.0%Kalshi | $107.3K | — | — | — | — | — | — | |
Above 18.9% | 2.0%Kalshi | $45.1K | — | — | — | — | — | — | |
Above 19.3% | 1.0%Kalshi | $30.2K | — | — | — | — | — | — | |
Above 20.3% | 1.0%Kalshi | $11.7K | — | — | — | — | — | — | |
Above 21.5% | 1.0%Kalshi | $6.5K | — | — | — | — | — | — |
Description from Kalshi. A cross-platform summary is generated once this event is matched across platforms.
This event will resolve based on 10:00AM ET Monday updated market share values reported by OpenRouter, rounded to one decimal place, for the week of Sep 28, 2026. If the named model author’s market share is not separately identified in the source chart, including if it is included in “Others,” all markets in the event will resolve to No. Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the governing benchmark. All trademarks, logos, and brand names are the property of their respective owners.
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