Second-best Code Arena WebDev AI Lab end of August?: how this market works

What you need to know

This market is asking which AI company will rank second place, not first, on a specific public leaderboard that scores AI models on web development coding tasks. The leaderboard is run by arena.ai, where real users rate AI-generated code for building websites and web apps. A 'Yes' for Anthropic means its models land in second place on that list by the end of August 2026, behind whoever takes the top spot. The same logic applies to Moonshot and ByteDance. On August 31, 2026 at 12:00 PM Eastern Time, someone checks the arena.ai Code Arena WebDev leaderboard, filters it by 'Labs', and reads the Lab Rank column. Whichever company sits in second place wins this market. If rankings are unclear, the tiebreaker goes to individual model scores, then alphabetical order. If the leaderboard is down that day, the check is delayed until it comes back. If it goes offline permanently, the market resolves as 'Other', meaning no listed company wins. None of the news provided connects to this market. The headlines are about energy companies, a court trial, and precious metals, none of which relate to AI coding benchmarks or the companies listed here. The kind of news that would actually matter is new model releases from Anthropic, Moonshot, or ByteDance, or any significant shift in how those models perform on web development tasks. More than a year remains before the check date, and the AI industry moves extremely fast. A company that looks strong today can fall behind after a single competitor releases a better model. The market prices Anthropic at around 56% for second place, reflecting a real lead in current perception, but Moonshot and ByteDance are active competitors with strong engineering teams. Leaderboard rankings also shift based on ongoing user votes, not a single fixed test, so the standings can drift gradually over many months.

The odds right now

• Anthropic65%
• Moonshot19%
• OpenAI8%
• Alibaba5%
• SpaceXAI5%
• DeepSeek5%
• ByteDance4%
• Meta4%
• Tencent4%
• Xiaomi3%
• Z.ai3%
• Poolside3%

Price history

How this resolves

Resolves August 31, 2026

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. Read the full resolution rules on the live market page.

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