Anthropic said it has given METR employee-like access for model safety reviews and outlined a three-tier evaluator program.

Anthropic said on Oct. 15, 2026, that it has started giving employee-like access to a team from METR, a nonprofit that evaluates frontier AI models, as part of a broader effort to deepen independent review of its safety practices. The company said METR will publish the results of its risk assessments and that the arrangement is meant to increase public accountability while protecting sensitive information.

In its update, Anthropic said the METR team has been onboarded with company hardware, office space and access to internal tools and systems that are "roughly on par" with those used by its own risk assessment teams. Anthropic said that, outside narrowly defined categories such as customer data, attorney-client-privileged information and model architecture details, employees are encouraged to share information with METR in the same way they would with a colleague working on alignment risk.

The company said METR may publish its analysis of Anthropic's risk levels, incidents or practices without a veto from Anthropic. Anthropic can require redactions for information that falls within the predefined protected categories, and METR may publicly state whether it believes those redactions were justified, so long as it does not reveal the redacted material. Anthropic said the engagement is limited to a small team operating under enforceable agreements and that other METR employees are siloed from the work.

Anthropic described three tiers for evaluator access. Tier one covers narrowly scoped reviews where Anthropic controls access and publication requires company approval.

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