**Recent pledges by leading AI labs and a voluntary White House accord have driven trader sentiment toward several frontier developers committing to third-party vetting by the October 31 deadline.** In mid-September 2026, Anthropic CEO Dario Amodei announced plans for embedded third-party evaluators with employee-like access to verify safety practices and alignment during training, followed hours later by OpenAI CEO Sam Altman matching the commitment. Elon Musk endorsed the approach for xAI. Anthropic quickly contracted Accenture’s Faculty unit for such evaluations. The September 29–30 White House Accord on Super Intelligence, signed by executives from OpenAI, Anthropic, Google, Meta, xAI, and Nvidia, explicitly includes independent external auditors or evaluators as one of four oversight layers, alongside internal controls and board review—though the framework remains non-binding and leaves standards for access, independence, and reporting undefined. OpenAI has since published detailed principles for assessments covering safety cases, dangerous capabilities, and incident investigations while engaging groups such as METR. California’s new auditor registry and certification rules add regulatory momentum. With the deadline weeks away, sentiment centers on whether additional labs will formalize similar pledges or if the accord signatories’ voluntary steps suffice for market resolution.