Anthropic leads trader sentiment at 71.5% implied probability due to its October releases of dynamic workflows in Claude Managed Agents, enabling a lead agent to orchestrate up to 1,000 subagents with isolated contexts and background execution, alongside a decoupled harness-sandbox architecture that cuts startup latency by 90% while strengthening prompt-injection defenses. These updates build on Claude Opus 5.5 and Sonnet models' strong benchmarks in terminal-based agent tasks, code generation, and multi-step orchestration, outpacing rivals in developer adoption and enterprise partnerships. OpenAI trails at 12.5% despite Dots always-on agents and its Agents API, while Google sits at 4.8% amid less differentiated recent agent tooling. With resolution at year-end, further model drops or benchmark shifts could still alter positioning.