Checked fact 264024 Oct 2026Research

On average across hint types, Claude 3.7 Sonnet mentioned the hint 25% of the time and DeepSeek R1 mentioned it 39% of the time, per Anthropic.

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

On average across all the different hint types, Claude 3.7 Sonnet mentioned the hint 25% of the time, and DeepSeek R1 mentioned it 39% of the time.

What the source said when we opened it, on 24 Oct 2026.

The source

Reasoning models don't always say what they think
Anthropic · 2025-04-03

Open the source archived copy

Checked

Checked by the notis newsroom on 24 Oct 2026, against the source above.

In the story

Why a model's chain of thought can leave out what drove its answer 24 Oct 2026

Cite this fact

Short permanent address

In a sentence

“On average across hint types, Claude 3.7 Sonnet mentioned the hint 25% of the time and DeepSeek R1 mentioned it 39% of the time, per Anthropic.” ai notis, checked 24 Oct 2026. Source: Reasoning models don't always say what they think (Anthropic). https://ainotis.com/c/2640

As a reference (APA style)

ai notis. (2026, October 24). On average across hint types, Claude 3.7 Sonnet mentioned the hint 25% of the time and DeepSeek R1 mentioned it 39% of the time, per Anthropic [Checked claim 2640]. ai notis. https://ainotis.com/c/2640

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