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PolymarketCloses January 1, 2027

Second-best Code Arena WebDev AI Lab end of December?

OpenAI leads at 45% (about 5 in ten) on Polymarket, as of Nov 9, 04:20 UTC. It's down 14 points in the last 24 hours.

OpenAI 45% ▼ 14 pts · 24h

The odds

as of Nov 9, 04:20 UTC
  • OpenAI 45% −14
  • Google 28% +13
  • Anthropic 21% +3
  • Thinky 5.1% −1.7
  • Tencent 4.8% −1.4
  • SpaceXAI 4.3% +1
  • Alibaba 2.4% −4.7
  • Z.ai 2.1% −1
Traded today$5K
Traded in all$30K
Favourite, 7 days−9.5 pts

OpenAI, the last 7 days

Polymarket price
25%50%75%Nov 1Nov 945%

Nov 2: 54% · Nov 3: 57% · Nov 4: 57% · Nov 5: 57% · Nov 6: 59% · Nov 7: 59% · Nov 8: 47% · Nov 9: 45%

How it resolves

Polymarket's rule, word for word
This market will resolve according to the second-highest ranked Company based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Labs" is checked on December 31, 2026, 12:00 PM ET. Results from the "Lab Rank" column under the "Code Arena | WebDev" Leaderboard tab at https://arena.ai/leaderboard/code/webdev?rankBy=labs (Overall) filtered for "Labs" 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. AI companies will be ordered primarily by their Lab Rank at the market’s check time. If the results based on the lab ranking are ambiguous or unavailable, the relevant AI companies will be ordered according to their highest-ranking AI model in the leaderboard’s “Models” view. 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 AI lab/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 second place under this ranking. The resolution source for this market is the arena.ai Code Arena | WebDev 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".
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