Simon Willison’s Weblog

The strength of edition (via) Brian Hamman defends “digital editions”—not a position you see very often.

Posted 6th March 2005 at 10:14 pm

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GPT-5: Key characteristics, pricing and model card - 7th August 2025
OpenAI's new open weight (Apache 2) models are really good - 5th August 2025
ChatGPT agent's user-agent - 4th August 2025

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