Anthropic’s early September release of Claude Fable 5.1, which quickly topped independent benchmarks such as the Artificial Analysis Intelligence Index and led in coding, knowledge-work, and scientific tasks, underpins the 96.4% market-implied probability that the company fields the best large language model by month-end. Traders are pricing in sustained leadership from its 1M-token context, strong SWE-bench and agentic results, and competitive positioning against OpenAI’s GPT-6 Astra and Google’s Gemini lineup. A last-minute superior release or benchmark rebase from another lab before September 30 remains the main scenario that could shift the near-settled outcome.
Tóm tắt AI thử nghiệm tham chiếu dữ liệu Polymarket. Đây không phải tư vấn giao dịch và không ảnh hưởng đến cách thị trường này được giải quyết. · Cập nhậtAnthropic's Claude Fable 5 reaches peak market confidence at 96%
Anthropic jumps to 96%9%
By September 13, 2026, Anthropic's Claude Fable 5 had reached a peak market confidence of 96% in prediction markets, reflecting its sustained top position on the Arena.ai Text Arena leaderboard and dominance in human preference evaluations.
Anthropic's Claude Fable 5 leads Arena Text Arena Overall leaderboard at September 12
Anthropic jumps to 96%7%
As of September 12, 2026, Anthropic's Claude Fable 5 held the top position on the Arena Text Arena Overall leaderboard with a 96% market probability, confirming its status as the best AI model by human preference at the end of September.






















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