Informal SVG Test Compares Claimed Fable 5.2 and Gemini 4 Pro With GPT-6 Astra

An informal SVG challenge posted on September 26 compared outputs labeled Fable 5.2, Gemini 4 Pro and Astra 6 Pro on a single prompt: render an Xbox 360 controller using pure SVG. The exercise is not a vendor benchmark, but it spotlights a fast-growing evaluation niche: testing whether frontier language models can convert visual and spatial understanding into code that actually renders.