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Claude Fable 5.1 on Perception Test

About Perception TestHow this is measured

77.3%Rank #5 of 9 on Perception Test
351 of 454 questions answered correctly.
Coverage
Full (454/454)
Cost per task
$0.0742
Median latency
8.7s
Tokens per task
6,557 in · 173 out

Run setting: 1 fps.

Tokens and latency

Tokens per call

Token typeMeanMedian90th pct.
Input6,5576,5759,433
of which cached10900
Output17348516
of which reasoning1420503

Over 454 calls that returned an answer, including questions asked again after a failed attempt.

Latency

Median
8.7s
Mean
10.1s
90th percentile
14.7s
99th percentile
29.2s

Per call, end to end including file upload and processing.