An experiment in posting 3 images to Substack

After having an AI create a draft and images, I also want to ask it to handle the posting.On October 6, 2026, I published an ...

Reading Claude Sonnet 5.5 from Primary Sources: Half the Price of Opus 5.5 with a 2-Point Gap, but 'Thinking Off' Code Stops at 400

Engineers and PMs who are using Claude Sonnet 5 via API or Claude Code and want to decide whether to switch to Sonnet 5.5 and ...