Simon WillisonPut together some notes on Jev and the new category of system one aka decision models https://t.co/EQZvszIXQ9
Simon Willison is an open-source developer behind Datasette and LLM, and a co-creator of Django. He shares hands-on experiments with language models and coding agents, alongside practical Python and SQLite workflows.
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Simon WillisonSimon WillisonJev introduces a new shape of LLM—System One, aka Decision Models
Simon WillisonCloudflare Python Workers are now generally available
Simon WillisonA quote from voxium
Simon WillisonComment: MCP was always a bad idea?
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Earlier posts
Simon WillisonRelease: llm-keys-ui 0.1
Simon WillisonRelease: datasette-explain 0.2.2
Simon WillisonRelease: datasette-auth-github 1.0
Simon WillisonSighting: California Sea Lion, Brandt's Cormorant
Simon WillisonGemini Hacked Three Companies in First Known Breakout by Google’s AI
Simon WillisonNote on 18th September 2026
Simon WillisonBeing a computer scientist who refuses to find anything about LLMs interesting right now is a bit like being a geneticist who refuses to find anything interesting about the recently opened Jurassic Park
Simon WillisonA quote from Thariq Shihipar
Simon WillisonFinally!
Simon WillisonTIL that 1988 classic Who Framed Roger Rabbit features a pelican riding a bicycle!
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