Anthropic's Claude Opus 5.5 leads Code Arena WebDev leaderboards with top Elo-style scores around 1810 as of late October 2026, driven by its September 2026 release and strong results in agentic coding workflows that test multi-step reasoning, tool use, and interactive web app generation. Traders see this as sustained competitive edge over OpenAI's GPT-6 Astra and Google's Gemini variants in blind preference votes and coding benchmarks. The near-certain market-implied odds reflect these demonstrated capabilities across multiple arenas. A late-month model update from a rival or resolution criteria favoring a different snapshot could still shift the outcome.
Polymarketデータを参照したAI生成の実験的な要約。これは取引アドバイスではなく、このマーケットの解決方法には一切関係ありません。 · 更新日View resolved

















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