OpenAI’s recent DevDay launches of persistent “Dots” agents on GPT-6 Astra, an expanded Agents API, and Codex Cloud have reinforced trader consensus that it holds the strongest shot at second place behind a likely leader such as Anthropic. With implied odds clustered near 50 percent for most rivals, the market reflects a fluid competitive landscape where Google’s Skills rollout, Alibaba and Moonshot’s open-weight agent benchmarks, and Anthropic’s Claude Cowork updates keep outcomes tightly contested. Persistent safety incidents across labs underscore the uncertainty in long-horizon agent reliability, while upcoming year-end model releases and enterprise adoption metrics could still shift relative rankings before December resolution.