Early Tester: Fable 5.2 Built a 3,100-City Water Map in One Go, but Still Makes Silly Errors

alliekmiller · x · 2026-11-10

AI researcher alliekmiller shared her experience as an early tester of Fable 5.2, calling it the model she trusts more than any other she has tested:

Her verdict: the model is "unbelievable at handling complexity" — "there is no such thing as a needle in a haystack anymore" — but it still makes weirdly obvious errors (colors, units, overlapping text) that secondary agents failed to catch. She feels she "could be more ambitious."

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