TOTAL VOLUME:
$115.9b
24H VOL:
$70,835,432
24H TRANSACTIONS:
1,351,118,393
OPEN INTEREST:
$1,118,817,482
313,553
Markets across
30,526
events
MATCHED EVENTS:
3,357
PLATFORM COVERAGE:
5
Polymarket:
42%
VS.
Kalshi:
58%
Anthropic
- Polymarket
Anthropic - Polymarket
98.1%
1W
News
Positive
Negative
Neutral
Hover marker for details
Aug 17
Aug 18
Aug 20
Aug 21
Aug 22
Aug 23
Aug 24
Vol.
$2.9k
·
Resolves Aug 31, 2026
Time left: 07d:07h:43m
$
This group of markets determines which company has the best Code Arena WebDev AI model as of the end of August 2026. The resolution is based on the ranking of models on the arena.ai Code Arena | WebDev Leaderboard, filtered for Models, at a specific date and time.
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 August 31, 2026, 12:00 PM ET. Results from the "Rank" column under the "Code Arena | WebDev" Leaderboard tab at https://arena.ai/leaderboard/code/webdev (Overall) filtered for "Models" will be used to resolve this market. 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 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".
Each market resolves based on whether a specific AI model holds the #1 position on the LM Code Arena Leaderboard as of August 3, 2026, at 10:00 AM ET. If multiple models tie for the top rank, the publisher's official tie-breaking methodology determines the resolution. When no official tie-breaker exists, all tied models share the highest rank, and contracts for those markets resolve proportionally based on the number of tied entities. Kalshi disclaims any affiliation with the Governing League, and all trademarks remain the property of their respective owners.
This market resolves around Aug 31, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Judges and independent evaluations will assess the latest Code Arena submissions, determining which company's web development AI model demonstrates superior performance across key benchmarks. The result will reflect the most recent, publicly available data, ensuring an objective conclusion based on observable results rather than speculation.
Major code releases, benchmark announcements, and developer community feedback could shift this market significantly before Aug 31, 2026. Any surprise improvements from competing teams, partnerships with large tech firms, or critical vulnerabilities found in current models may also cause rapid price adjustments. Traders on Polymarket and Kalshi will closely watch these developments, as each new data point could reshape expectations about who will lead the field by the deadline.