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Everything we have published

Walk reports, counts and the occasional argument, newest first.

The government broke Anthropic's best model this week

Jun 19, 2026

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5 min read

The government broke Anthropic's best model this week

Anthropic's Fable 5 ban is ending, two of the field's most consequential people moved to the same lab, and the gap between an agent demo and a production system just closed faster than procurement can absorb.

Haroon Choudery
Haroon Choudery
Cursor is training its own 1.5T-parameter model

Jun 18, 2026

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4 min read

Cursor is training its own 1.5T-parameter model

Cursor announced a 1.5T-parameter frontier model at Compile, and OpenAI's leaked 2025 financials show what that bill looks like.

Haroon Choudery
Haroon Choudery
SpaceX just bought your engineering team's IDE for $60B

Jun 17, 2026

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4 min read

SpaceX just bought your engineering team's IDE for $60B

The strategic buyers of AI tooling are no longer the software companies you'd expect, and the price tags are doubling between rounds.

Haroon Choudery
Haroon Choudery
Anthropic's best model got an export control letter on Friday night

Jun 16, 2026

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7 min read

Anthropic's best model got an export control letter on Friday night

Lutnick's letter shut down Claude Fable 5 worldwide on Saturday. The precedent matters more than the model.

Haroon Choudery
Haroon Choudery
AI just got $535 billion more expensive to build, and harder to buy.

Jun 12, 2026

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6 min read

AI just got $535 billion more expensive to build, and harder to buy.

Anthropic charged a premium for refusal, OpenAI signed a $500B Ohio lease, and Apple shipped Siri AI on a Gemini foundation.

Haroon Choudery
Haroon Choudery
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