Expert attention map

The Who's Who of AI

What credible people across AI noticed, why it matters, and where the field is converging or disagreeing.

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Showing signals surfaced by Mor Naaman ×
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Established Models & releases Development 4d ago
⚡ 5 h early
Claude system prompt song lyrics restriction observed

Claude’s new system prompt really doesn’t want to reproduce song lyrics

3 experts across 3 network communities independently surfaced this.

3 experts 3 communities 1 sources clustered
Simon Willison Mor Naaman Jon Keegan

“I wrote some notes on what's new in the (published) Fable 5.1 system prompt in comparison to Fable 5 - it's mostly about not reproducing song lyrics and avoiding drawing copyrighted characters simonwillison.net/2026/Sep/2/c...”

“Another fun report from one of my favorite model-trackers, @simonwillison.net simonwillison.net/2026/Sep/2/c...”

Primary source simonwillison.net ↗