GPT-6 Astra vs Claude Fable 5.1: Faster on All Three
OpenAI’s GPT-6 Astra and Anthropic’s Claude Fable 5.1 got the same three build briefs — a motorway interchange, a seaside fairground and a cinematic rocket launch — one attempt each, at maximum reasoning effort, and neither could open a browser to check its own work. All six builds run live inside the article, faults and all: a bridge that hides a truck mid-crossing, a carousel that is not doing what it looks like it is doing, and two rockets with very different ideas of what a launch is. Score it yourself.
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