Anthropic leads with overwhelming trader consensus at 91% implied probability due to Claude Opus 5.5 topping recent agent benchmarks such as BenchAlign v5.8 and Terminal-Bench with scores well ahead of OpenAI and Google models. Its September 2026 releases delivered stronger native tool calling, multi-agent orchestration, computer use, and long-horizon reasoning in large language models, giving developers clear advantages in real agent workflows. OpenAI’s GPT-6 series and new managed Agents API provide competitive ecosystems and adoption momentum, yet trail on the same evaluations. With resolution at month-end, any surprise capability jump or benchmark shift from OpenAI or Google in the next two weeks remains the main risk to this positioning.
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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