Fable 5.1 matches Opus 5 at 20% lower cost, user finds
JasonBotterill · x · 2026-09-02
A user benchmark reveals that Fable 5.1 (high) matches Opus 5 (xhigh) on the AA Intelligence Index but offers 20% lower cost per task, making it a strong price/performance contender.
Related event: Fable 5.1 Matches Opus 5 Performance at Lower Cost(2 posts)→
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