Running Fable 5.1 through AA's Intelligence Index cost $8,523 — 140M output tokens
ArtificialAnlys · x · 2026-09-02
Artificial Analysis published its full analysis page for Claude Fable 5.1 (Adaptive Reasoning, max effort, default fallback): it ranks #1 of 192 models on intelligence with a score of 66 (median: 36), but #84 on cost — $10/1M input and $50/1M output vs medians of $2/$10, at $3.69 per Intelligence Index task.
The model generated 140M output tokens during the index evaluation versus a median of 71M, making it notably verbose; the full evaluation cost $8,523.16. It supports text and image input, text output, a 1M context window, and reasoning. The page includes a full breakdown of individual evaluations across reasoning efforts and comparisons with other leading models.
Related event: Fable 5.1 Tops Finance Benchmark at Higher Cost(2 posts)→
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