Bret Kerr 🛡️🧠🛜

@BretKerr

AI Go-to-Market Engineer: I turn complex AI & tech into clear buyer narratives, exec messaging & multimedia systems driving product adoption.

Franklin, MA contextjamming.com Joined December 2024

1.9K Following 570 Followers 25K Posts

Latest posts 5

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Bret Kerr 🛡️🧠🛜 @BretKerr 8h

Fig. 1 on the cover: L(N) ∝ N^−0.076

The 2020 scaling law. The @AnthropicAI story starts in physics, so the book does too.

The Anthropic Book: 16 chapters, primary sources, every quote substring-verified. Created with @claudeai

contextjamming.com/book/

Bret Kerr 🛡️🧠🛜 @BretKerr 1d

How it started @OpenAI , how it's going ... @AnthropicAI @DarioAmodei

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Bret Kerr 🛡️🧠🛜 @BretKerr 3h

Gonna be quite the movie someday

Bret Kerr 🛡️🧠🛜 @BretKerr 7h

Age of Miracles FTW

Bret Kerr 🛡️🧠🛜 @BretKerr 10h

A pop-up book explainer of @AnthropicAI Constitutional Classifiers++ 🏰

40x cheaper. 0.05% refusals. 1,700 red-team hours, no universal jailbreak.

The trick: move the guard inside the model.

2 min, every frame is code: three.js + @claudeai Fable 5.2

contextjamming.com

2:06

Bret Kerr 🛡️🧠🛜 @BretKerr 10h

@AnthropicAI ad spend went from $33M in 2024 to $147M in 2025, then rose another $273M YoY in H1 2026. It has a Cannes Film Grand Prix. And it kept every campaign slogan out of its 41-minute IPO film. @motherlondon

bretkerr.substack.com/p/the-ipo-film…