I built a new feature for my blog entirely by voice with Codex Desktop, while I was cooking dinner simonwillison.net/2026/Oct/9/b...

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After a long wait, releasing the SYNTH paper! It’s not pretraining, mid-training or post-training, it’s just training: a fully synthetic single-stage pipeline to train workable reasoning models with unprecedented data efficiency. arxiv.org/abs/2609.378...

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> opus ultracode #SoME animations in manim for each and turn on the tv, now!

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Google releases EmbeddingGemma 2, a new open model that runs locally on 0.5GB RAM. The 740M parameter embedding model combines a 270M text model with vision (170M) + audio (300M). Run & train the model via Unsloth. GGUF: huggingface.co/unsloth/embe... Guide: unsloth.ai/docs/models/...

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If you have not yet been to see the scale model of NYC built by Joe Macken out of cardboard and balsa wood over a period of 21 years you only have until the 12th of October to see it! It's at the Museum of the City of New York, by the north east end of Central Park

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