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%

Time left: 07d:07h:43m

Will Anthropic have the best Code Arena | WebDev AI at the end of August 2026?

97%chance
Amount

$

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Description

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.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Timing MismatchHero tip: Traders should be aware of the different resolution dates across platforms and consider hedging positions accordingly.

Critical divergence points:

  • Polymarket: Resolves based on the leaderboard ranking as of August 31, 2026, 12:00 PM ET. "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."
  • Kalshi: Resolves based on the leaderboard ranking as of August 3, 2026, 10:00 AM ET. "If [model] is the #1 model on LM Code Arena Leaderboard on Aug 3, 2026 at 10:00AM ET, then the market resolves to Yes."
Our PredictionHero Resolution Divergence Alerts (RDA) are there to help users identify potential differences across platforms. They do not replace or supersede the official rules and description of any prediction market. Users are solely responsible for reviewing and understanding the applicable rules and resolution criteria before placing any trade or bet. If you notice a potential inconsistency, discrepancy, or error in an alert, please report it to our team so we can review and improve the accuracy of our data.
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Polymarket

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".

Kalshi

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.

Frequently asked questions

The dashboard tracks the ongoing competition in the Code Arena AI model race, aggregating real-time data from multiple prediction platforms. It visualizes how traders across venues price the likelihood of different companies leading in web development AI capabilities by the end of August. This view offers a consensus snapshot of market sentiment, with volume of $69,775} and 24-hour volume of $5,996 across all platforms, helping users monitor shifts in expectations for this high-stakes tech contest.

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.