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Tech·AI

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

icon for Second-best Code Arena WebDev AI Lab end of August?
Tech·AI

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

Aug 31

Aug 31

Anthropic 47%

Z.ai 46%

SpaceXAI 42%

ByteDance 42%

Polymarket
NEW

Anthropic 47%

Z.ai 46%

SpaceXAI 42%

ByteDance 42%

Polymarket
NEW
icon for Anthropic

Anthropic

$0 Vol.

47%

icon for Z.ai

Z.ai

$0 Vol.

46%

icon for SpaceXAI

SpaceXAI

$0 Vol.

42%

icon for ByteDance

ByteDance

$0 Vol.

42%

icon for Meta

Meta

$0 Vol.

42%

icon for Mistral

Mistral

$33 Vol.

41%

icon for Moonshot

Moonshot

$0 Vol.

41%

icon for Xiaomi

Xiaomi

$0 Vol.

39%

icon for OpenAI

OpenAI

$0 Vol.

38%

icon for Google

Google

$0 Vol.

38%

icon for Alibaba

Alibaba

$0 Vol.

38%

icon for Poolside

Poolside

$0 Vol.

38%

icon for MiniMax

MiniMax

$0 Vol.

38%

icon for Tencent

Tencent

$20 Vol.

37%

icon for Thinky

Thinky

$0 Vol.

37%

icon for DeepSeek

DeepSeek

$0 Vol.

36%

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 August 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. 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".The closely matched market-implied odds around 50% reflect the fluid early results on the newly launched Code Arena WebDev leaderboard, where frontier labs compete on agentic, multi-file web development tasks such as building React apps and handling real tool-use workflows. Anthropic edges ahead on trader sentiment due to Claude Opus 4.8 and related models posting leading scores on related agent benchmarks like Online-Mind2Web and strong SWE-bench Verified performance, highlighting reliability in complex frontend-backend integration. OpenAI’s GPT-5.5 and GPT-5.6 variants remain direct contenders through superior planning capabilities and ecosystem integration, while cost-effective challengers like DeepSeek V4-Pro and various Qwen/Alibaba releases add uncertainty. With the arena still accumulating votes and labs iterating rapidly ahead of the August resolution, small shifts in human preference data or new releases could quickly reorder the field.

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 August 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.

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".
Volume
$53
End Date
Aug 31, 2026
Market Opened
Jul 20, 2026, 8:25 PM ET

Resolution Source

https://arena.ai/leaderboard/code/webdev?rankBy=labs

Resolver

0x69c47De9D...
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 August 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. 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".
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 August 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. 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".The closely matched market-implied odds around 50% reflect the fluid early results on the newly launched Code Arena WebDev leaderboard, where frontier labs compete on agentic, multi-file web development tasks such as building React apps and handling real tool-use workflows. Anthropic edges ahead on trader sentiment due to Claude Opus 4.8 and related models posting leading scores on related agent benchmarks like Online-Mind2Web and strong SWE-bench Verified performance, highlighting reliability in complex frontend-backend integration. OpenAI’s GPT-5.5 and GPT-5.6 variants remain direct contenders through superior planning capabilities and ecosystem integration, while cost-effective challengers like DeepSeek V4-Pro and various Qwen/Alibaba releases add uncertainty. With the arena still accumulating votes and labs iterating rapidly ahead of the August resolution, small shifts in human preference data or new releases could quickly reorder the field.

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 August 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.

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".
Volume
$53
End Date
Aug 31, 2026
Market Opened
Jul 20, 2026, 8:25 PM ET

Resolution Source

https://arena.ai/leaderboard/code/webdev?rankBy=labs

Resolver

0x69c47De9D...
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 August 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. 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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Frequently Asked Questions

"Second-best Code Arena WebDev AI Lab end of August?" is a prediction market on Polymarket with 16 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "Anthropic" at 47%, followed by "Z.ai" at 46%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 47¢ implies that the market collectively assigns a 47% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

"Second-best Code Arena WebDev AI Lab end of August?" is a newly created market on Polymarket, launched on Jul 20, 2026. As an early market, this is your opportunity to be among the first traders to set the odds and establish the market's initial price signals. You can also bookmark this page to track volume and trading activity as the market gains traction over time.

To trade on "Second-best Code Arena WebDev AI Lab end of August?," browse the 16 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current frontrunner for "Second-best Code Arena WebDev AI Lab end of August?" is "Anthropic" at 47%, meaning the market assigns a 47% chance to that outcome. The next closest outcome is "Z.ai" at 46%. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.

The resolution rules for "Second-best Code Arena WebDev AI Lab end of August?" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.