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Generating running routes with GPT-6 Astra and ChatGPT Work

Simon Willison·2026-09-12

— The SEO Cover · Daily Brief · Sep 13, 2026

On "Generating running routes with GPT-6 Astra and ChatGPT Work"

This is a clever demo of what newer models can do with extended reasoning and real data, but it's also exactly the kind of one-off use case that won't scale to SEO or discovery work. A model spending 27 minutes reasoning through a hyper-local problem for a single user is impressive engineering, sure, but it tells you nothing about how search engines should (or will) handle the vast majority of queries where instant answers matter more than perfect ones. The real takeaway for practitioners isn't that AI can solve complex problems—it's that the economics and user expectations around search haven't changed, and throwing compute at reasoning won't fix the fundamental tension between depth and speed.

From the source: Here's a neat thing I had ChatGPT Work with GPT-6 Astra (Max) do this morning: I live at . Figure out 5K and 10K running routes from me that loop from my house. Use OSM data. It worked for 27 minutes and produced exactly what I'd asked for, as both an embedded visualization and d

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