Future-Proof Your Career with AI

Future-Proof Your Career with AI

Jensen makes the case for open source AI

AI Weekly Round-Up #43: Building an enterprise knowledge base and redoing your Claude skills

Khe Hy's avatar
Khe Hy
Jul 26, 2026
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Hi friends,

It’s been another one of those weeks, it still feels like we’re drinking from the fire hose.

If you’re new here, every Sunday I curate the top AI articles, tweets, podcasts and tutorials (so that you don’t have to).

Let’s jump in:

If you only read 3 things

  • Open weights and American AI Leadership — Jensen and 50 AI companies signed a pro-open source letter. (There is one notable exception).

  • How Cerebras Built Its Enterprise Knowledge Base — A detailed explainer on connecting all your company’s knowledge (Slack, shared drives, GitHub) so that everyone can access it.

  • When AI Skills Help—and When They Hurt — Opus and Fable require less handholding (which means we need to simplify our skills).

News from the frontier labs

  • Claude Opus 5: Anthropic’s New Flagship AI Model — Early reports are that it’s Fable-like intelligence at Opus pricing.

  • ChatGPT’s new model broke out of its sandbox — The AIs have started going rogue (just to cheat on their benchmarks).

  • Why Chinese AI Models Threaten U.S.…

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