Which company has the best Code Arena WebDev AI model end of November?
This market will resolve according to the company that owns the model that has the highest rank based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Models" is checked on November 30, 2026, 12:00 PM ET. Results from the "Rank" column under the "Code Arena | Web…
As of 16 October 2026, "Anthropic" leads at 72% implied probability (+2.0pp over the last 24h). The biggest 24h move is "OpenAI", from 20% to 17%. The event has traded $11.9K in total ($311 in the last 24h) with $15.3K of liquidity across 30 markets. Trading is due to close on 1 December 2026.
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Holders and activity
Markets and probabilities
30 marketsThe percentage is the implied probability of the outcome, between 0% and 100%. For mutually-exclusive markets the sum trends to 100% (no vig). The ▲/▼ arrow shows the change over the selected window (1h/24h/7d/30d) in percentage points (pp). Click a market to see its top holders (with average entry price and position change) and the latest trades.