RSP v3.4 Appendix A, scenario "Anthropic in the lead": having developed or imminently developing a highly capable model with clear evidence no other competitor will soon develop one, Anthropic commits: "We will require a strong argument that catastrophic risk is contained... We will delay AI development and deployment as needed to achieve this, until and unless we no longer believe we have a significant lead."

The exact words it rests on

Anthropic in the lead. We have developed or will imminently develop a highly capable model; and we have clear evidence that no other competitor will soon develop such a model. ... We will require a strong argument that catastrophic risk is contained, along the lines of our recommendations for industry-wide safety (see Section 1). We will delay AI development and deployment as needed to achieve this, until and unless we no longer believe we have a significant lead.

What the source said when we opened it, on 5 Nov 2026.

The source

Anthropic Responsible Scaling Policy, version 3.4
Anthropic · 2026-07-08

Open the sourcearchived copy

Checked

Checked by the notis newsroom on 5 Nov 2026, against the source above.

In the story

How Anthropic's RSP decides a capability threshold is met, and what follows 5 Nov 2026