RT Thariq: Re @simonw we're working on removing Haiku from WebFetch now that automode is default
RT ThariqRe @simonw we're working on removing Haiku from WebFetch now that automode is default
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Claude Haiku is my current least favorite model – it hallucinates wildly, and is out-performed now by other similarly priced models like GPT-5.6-Luna …
Claude Haiku is my current least favorite model - it hallucinates wildly, and is out-performed now by other similarly priced models like GPT-5.6-LunaEven worse: it seems…
Muse Glimmer, the new 30B model, is available on Hugging Face right now – here's the GGUF version: https://huggingface.co/meta-models/Muse-Glimmer-30B…
Muse Glimmer, the new 30B model, is available on Hugging Face right now - here's the GGUF version: https://huggingface.co/meta-models/Muse-Glimmer-30B-GGUFAlexandr Wang: 1/ big announcement today: we will…
RT antirez: Fast H3 implementation for Metal. Enjoy, modify, and so forth: https://github.com/antirez/h3.c Contains code from @liuliu which is welcome…
RT antirezFast H3 implementation for Metal. Enjoy, modify, and so forth: https://github.com/antirez/h3.c Contains code from @liuliu which is welcomed in taking back whatever parts he likes…
Just noticed the Claude Opus 5 system prompt includes details of the Fable export control situation, in case people ask about it despite it being outs…
Just noticed the Claude Opus 5 system prompt includes details of the Fable export control situation, in case people ask about it despite it being outside…
RT Simon Willison: Re @GergelyOrosz I've been vibe coding a few games recently and it has given me SO much respect for game designers Churning out som…
RT Simon WillisonRe @GergelyOrosz I've been vibe coding a few games recently and it has given me SO much respect for game designersChurning out something that…
Neat example here of the agents communicating purely through file names, including adding base64-encoded attachments and using "zz" prefixes to ensure…
Neat example here of the agents communicating purely through file names, including adding base64-encoded attachments and using "zz" prefixes to ensure their new message sorts to…
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👀Thariq: we should have called this post "defeating the lethal trifecta"https://claude.com/blog/auto-mode-default-in-claude-code
Re I built Moonlight & Mayhem with my Codex monthly subscription, but if I had been paying API prices it would have cost $23.28 (according to AgentsVi…
Re I built Moonlight & Mayhem with my Codex monthly subscription, but if I had been paying API prices it would have cost $23.28 (according to…
Re More details on my blog: https://simonwillison.net/2026/Aug/7/moonlight-mayhem/ There was one bug I had to fix before shipping though (unlike Fable…
Re More details on my blog: https://simonwillison.net/2026/Aug/7/moonlight-mayhem/There was one bug I had to fix before shipping though (unlike Fable which did it all from a single…