Day-one review: Fable 5.1 a big step up for serious codebases, coordination shines
xeophon · x · 2026-09-02
After a day on a real codebase, a heavy user calls Fable (New) a major step up: better big-picture understanding, tighter cross-module reasoning, and more dexterous coordination—it even reorganized and completed work Fable 5 had deferred. The pace burnt through a Codex subscription in a day. Usage limits remain tight, but the model impresses.
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