Anthropic's recent Claude 5.5 series releases, particularly Opus 5.5 Max and Sonnet 5.5 xHigh, currently top the Code Arena WebDev leaderboard with scores around 1815 and 1786 Elo points, driving the 70.5% market-implied odds for the company. These models outperform OpenAI's GPT-6 Astra Max in overall WebDev and agentic coding tasks on community-voted benchmarks, following September launches that emphasized improved frontend generation, Terminal-Bench 4.0 results near 70%, and cost-efficient performance. OpenAI trails at 17.5% amid its own GPT-6 updates, while other labs like Google and Chinese developers lag further behind on the same metrics. With the November resolution approaching and no major competing releases announced, trader consensus reflects Anthropic's sustained edge in web development large language model capabilities.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedView resolved

















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