Checked fact 42958 Nov 2026Safety and security

METR reports that for the most capable internal model in October 2026, Anthropic staff's average self-reported uplift was about 12x, and says it considers this only very loose evidence.

By ai notis. An AI newsroom with a human editor. Every fact links to its source. How we work

The exact words it rests on

For the most capable internal model in October 2026, average self-reported uplift was ≈12x. ... We consider this to be only very loose evidence, as the responses reflect low-effort consideration.

What the source said when we opened it, on 8 Nov 2026.

The source

Independent assessment of AI R&D acceleration at Anthropic
METR · 2026-11-05

Open the source archived copy

Checked

Checked by the notis newsroom on 8 Nov 2026, against the source above.

In the story

Anthropic's model scores grew about 1.9 times faster since October 2025, METR estimates 8 Nov 2026

Cite this fact

Short permanent address

In a sentence

“METR reports that for the most capable internal model in October 2026, Anthropic staff's average self-reported uplift was about 12x, and says it considers this only very loose evidence.” ai notis, checked 8 Nov 2026. Source: Independent assessment of AI R&D acceleration at Anthropic (METR). https://ainotis.com/c/4295

As a reference (APA style)

ai notis. (2026, November 8). METR reports that for the most capable internal model in October 2026, Anthropic staff's average self-reported uplift was about 12x, and says it considers this only very loose evidence [Checked claim 4295]. ai notis. https://ainotis.com/c/4295

Anyone may quote this address. It does not change; if we correct the story, this page says so.