- Will Anthropic have the best Code Arena | WebDev AI at the end of September 2026?100¢100%
- Will OpenAI have the best Code Arena | WebDev AI at the end of September 2026?0¢0%
- Will Moonshot have the best Code Arena | WebDev AI at the end of September 2026?0¢0%
- Will Google have the best Code Arena | WebDev AI at the end of September 2026?0¢0%
- Will Alibaba have the best Code Arena | WebDev AI at the end of September 2026?0¢0%
- Will SpaceXAI have the best Code Arena | WebDev AI at the end of September 2026?0¢0%
- Will Z.ai have the best Code Arena | WebDev AI at the end of September 2026?0¢0%
- Will Meta have the best Code Arena | WebDev AI at the end of September 2026?0¢0%
- Will Xiaomi have the best Code Arena | WebDev AI at the end of September 2026?0¢0%
- Will DeepSeek have the best Code Arena | WebDev AI at the end of September 2026?0¢0%
- Will MiniMax have the best Code Arena | WebDev AI at the end of September 2026?0¢0%
- Will ByteDance have the best Code Arena | WebDev AI at the end of September 2026?0¢0%
Anthropic's Claude Opus 5.5, released September 22, 2026, drives the overwhelming trader consensus by topping the Code Arena WebDev leaderboard with strong performance on front-end coding tasks and agentic workflows. The model's gains in architecture, logic, and real-time web app generation outpace rivals like OpenAI's GPT-6 variants and earlier Claude iterations, reflecting verified benchmark leadership in a competitive landscape of large language models. This positions Anthropic ahead in the implied probability for end-of-September evaluations. Potential challenges include rapid updates from competitors such as DeepSeek or Moonshot, shifts in arena voting patterns, or undisclosed internal model iterations that could alter rankings before month-end resolution.
Aturan
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 September 30, 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".