Claude system prompt song lyrics restriction observed
3 experts across 3 network communities independently surfaced this.
3 experts
3 communities
1 sources clustered
“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...”
Established
AI field signal
Analysis
6d ago
⚡ 4 h early
Willison explains ChatGPT internals
4 experts across 2 network communities independently surfaced this.
4 experts
2 communities
1 sources clustered
“Here's my attempt at explaining what ChatGPT Work can actually do - it's a deeply confusing but extremely powerful tool with a whole lot of useful features that aren't available in regular ChatGPT simonwillison.net/2026/Aug/30/...”
“Understanding ChatGPT Work - Simon Willison simonwillison.net/2026/Aug/30/un… #AI #ChatGPTWork”
3 experts discussed this · 10 posts
Dan Hon: Squarespace has everything to lose simonwillison.net/2026/Aug/30/...
Liz Fong-Jones (方禮真): yeah, I already churned off, claude vibe-built lizthegrey.com / github.com/lizthegrey/w... and there's no reason for me to pay them hundreds of dollars a year
Liz Fong-Jones (方禮真): I still do use them for all my domain registrations because I trust them to adequately maintain security precautions and anti-hijacking commensurate with what Google did with Google Domains (e.g. s…
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Simon Willison Blender pelican bicycle AI experiment
4 experts are actively discussing the implications.
2 experts
2 communities
3 sources clustered
“Not sure! I didn't use the MCP, I had Codex drive Blender directly though their Python API and there's no sign of C2PA in the code: github.com/simonw/gpt-6...”
4 experts discussed this · 13 posts
Simon Willison: New TIL on using Blender with coding agents on macOS: til.simonwillison.net/llms/blender... GPT-6 Astra (medium): > Use the already install /Applications/Blender to render a scene of a pelican ridi…
Simon Willison: It's one of my favorite prompts, I find it entertaining and ridiculous that you can tell computers "do it better" these days and they usually do!
Ted Underwood: We're going to need a more challenging version of this, like: "engineer pelicans that actually can ride bicycles; and, for extra credit, otters that use wifi."
Open the full discussion →
3 experts across 3 network communities independently surfaced this.
3 experts
3 communities
1 sources clustered
“Thanks to the video from the Black Hat security conference of OpenAI's presentation about "The Hugging Face Incident" we now have a detailed timeline of what happened from OpenAI's perspective - I wrote up the details here, it's pretty wild https://t.co/QZ1…”
“Their initial disclosure openai.com/index/huggin... Write-up of the specific details of the hack simonwillison.net/2026/Aug/7/o...”
Developing
AI field signal
Analysis
2d ago
⚡ 6 h early
GPT-6 GPT-5.6 SVG reasoning comparison
4 experts are actively discussing the implications.
3 experts
1 community
1 sources clustered
“Got access to GPT-6 Astra. Want to see some pelicans? Yeah you want to see some pelicans... here's a grid comparing Astra to GPT-5.6 Sol, Terra, and Luna static.simonwillison.net/static/2026/... Transcript from generating the Astra pelicans here: tools.simo…”
“That’s a really good pelican! static.simonwillison.net/static/2026/...”
4 experts discussed this · 8 posts
Simon Willison: Got access to GPT-6 Astra. Want to see some pelicans? Yeah you want to see some pelicans... here's a grid comparing Astra to GPT-5.6 Sol, Terra, and Luna static.simonwillison.net/static/2026/... Tr…
Simon Willison: Here's the gpt-6-astra one at full size (with alt text generated by gpt-5-astra)
tj mahr 🤘: finally, a pelican pointing to the left
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Qwen3 overthinking analysis
3 experts across 2 network communities independently surfaced this.
3 experts
2 communities
1 sources clustered
“@omt66 I got a fantastic pelican out of that one! https://t.co/iFMWjc7SvG”
“Simon tried it out as well: simonwillison.net/2026/Aug/16/... The speed (or lack thereof) would make me avoid it on my M5, but wonder how it would run on an RTX 5090”
2 experts discussed this · 13 posts
Simon Willison: Heees my review of Qwen 3.8 27B - I can't remember the last time I've had this much fun playing with a local model that runs on my own computers simonwillison.net/2026/Aug/16/...
Simon Willison: Fun bonus: I set Pi up with Qwen 3.8 27B and had it build a script for transforming its own .jsonl transcripts to Markdown... which it did! Here's the transcript of it building the tool I then used…
Simon Willison: My conclusions from the end of the post
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LLM cliché highlighter tool launched
2 directory members surfaced this signal.
2 experts
2 communities
1 sources clustered
“It takes the URL to a page like this (not an article written with AI): tools.simonwillison.net/llm-cliche-h...”
Developing
AI field signal
Signal
2d ago
2 directory members surfaced this signal.
2 experts
1 community
1 sources clustered
“Got access to GPT-6 Astra. Want to see some pelicans? Yeah you want to see some pelicans... here's a grid comparing Astra to GPT-5.6 Sol, Terra, and Luna static.simonwillison.net/static/2026/... Transcript from generating the Astra pelicans here: tools.simo…”
Claude Fable 5.1 released
2 experts are actively discussing the implications.
2 experts
1 community
1 sources clustered
“A few notes on Anthropic's new Claude Fable 5.1 - with Max thinking level I got the best SVG pelican I've had from any Anthropic model (at a hefty cost of $3.30!), which I then had it animate simonwillison.net/2026/Sep/1/c...”
2 experts discussed this · 6 posts
Simon Willison: A few notes on Anthropic's new Claude Fable 5.1 - with Max thinking level I got the best SVG pelican I've had from any Anthropic model (at a hefty cost of $3.30!), which I then had it animate simon…
Liz Fong-Jones (方禮真): A few notes on Anthropic's new Claude Fable 5.1 - with Max thinking level I got the best SVG pelican I've had from any Anthropic model (at a hefty cost of $3.30!), which I then had it animate simon…
Simon Willison: That sounds like my dream
Open the full discussion →
1 directory member surfaced this signal.
1 expert
1 community
1 sources clustered
“@PatrikarSanket @dotey Already on it! https://t.co/PQ9DBJQT6T”
Established
AI field signal
Resource
4d ago
Claude system prompts tracking repo launched
1 directory member surfaced this signal.
1 expert
1 community
2 sources clustered
“And sure enough... claude.ai/share/3e5a19...”
1 directory member surfaced this signal.
1 expert
1 community
1 sources clustered
“It happened again... this time OpenAI's rogue agents cyber-attacked (well, spammed) a dormant German wiki and used it to share the answers to a benchmark they were training against simonwillison.net/2026/Sep/4/r...”
Anthropic sued music copyright theft
1 directory member surfaced this signal.
1 expert
1 community
1 sources clustered
“Here's some extra context on that lyrics thing www.theguardian.com/business/202...”
Established
AI field signal
Resource
4d ago
Simon Willison tools collection
1 directory member surfaced this signal.
1 expert
1 community
1 sources clustered
“228 slop tools and counting! tools.simonwillison.net”
llm-gemini 0.33 released
1 directory member surfaced this signal.
1 expert
1 community
1 sources clustered
“Gemini 3.7 Flash did one with a whole lot more flair simonwillison.net/2026/Aug/13/...”
1 directory member surfaced this signal.
1 expert
1 community
1 sources clustered
“I use it for spelling, grammar, and basic fact checking with this prompt: simonwillison.net/guides/agent...”
Established
AI field signal
Signal
18d ago
1 directory member surfaced this signal.
1 expert
1 community
1 sources clustered
“Notes here https://t.co/VGzmtn8RVc research report here: https://t.co/B2rR4rgCJR”
1 directory member surfaced this signal.
1 expert
1 community
1 sources clustered
