OpenAI

Full rules

As written on Polymarket for “Will OpenAI be the first company to have an AI model hit 1550 on Chatbot Arena in 2026?”.

1. §1This market will resolve according to the listed entity, which is the first to reach an Arena Score of 1550+ on the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) by December 31, 2026, 11:59 PM ET.
2. §2Results from the "Text Arena" section on the leaderboard/text tab of https://lmarena.ai/ with the style control unchecked (https://arena.ai/leaderboard/text/overall-no-style-control) will be used to resolve this market.
3. §3If no company's model reaches 1550+ Arena Score by the specified time, this market will resolve to "None in 2026".
4. §4If the first model to reach a 1550+ Arena Score belongs to any company other than the listed ones, this market will be resolved to "Other".
5. §5The resolution source for this market is the Chatbot Arena LLM Leaderboard found at https://lmarena.ai/.
6. §6If this resolution source becomes unavailable, the market will remain open until it is accessible again.
7. §7If it becomes permanently unavailable, resolution will be based on another credible source.