readable AI benchmarks (simplified)

readable AI benchmarks

Anthropic

Claude Fable 5.2 (Max, Default Fallback)

reasoning · closed weights · Nov 9, 2026

Claude Fable 5.2 (Max, Default Fallback) has a Quality Score of 74.0, ranking 1st among 245 scored models. Per 1M tokens, pricing is $8.00 input, $40.00 output, $0.200 cached input, and $10.00 cache write. It accepts text, image, and pdf input, outputs text, and has a 1M token context window. Its Reliability Score is 83.4, ranking 1st among 252 scored models, above average (total average: 47.0). Its Value Score is 42.2, high compared with the total Value average of 28.7.

Quality Score74.0coverage 100.0%: AA Intelligence and AA-Omniscience outcomes available
Value Score42.2
Factual reliability83.4
Cache Discount98%

Model specification

Reasoning
reasoning
Input modalities
text, image, pdf
Output modalities
text
Context window
1M tokens
Weights
closed weights

Token prices USD per 1M tokens

Input
$8.00
Output
$40.00
Cached Input
$0.200
Cache write
$10.00
Cost per task
$26.54

Capability

Intelligence
64.6
Omniscience (native net)
66.8
Correct
79.1%
Blended price
$5.74

Answer outcomes

Fully graded outcomes (Correct + Incorrect): 91.5%

Correct 79.1%Incorrect 12.4%Partial / not attempted 8.5%

Artificial Analysis benchmarks aa-v5

Current Intelligence Index components

AA-Briefcase v1.1
1785.2 Elo
AutomationBench-AA
76.4%
private 657-task split from dataset v1.0.6
GDP.pdf
24.2%
FrontierCode v2.0
48.8%
AA Stirrup · 132 tasks, 3 attempts per task
Terminal-Bench v4.0
59.6%
AA mini-swe-agent standardized runs · 66 tasks, pass@1 averaged over 3 repeats per task
AA-Omniscience v1.1
66.8 native net
HLE-Diamond
80.2%
CritPt v2 Hard
76.5%
AA Stirrup · hard subset, 40 of 70 problems
Terminal-Bench-Science v0.1.0
73.3%

Standalone evaluations

GDPval-AA v2.1
1830.7 Elo

Historical evaluations

SciCode v1.0.1
67.7%
AA Long Context Reasoning v1.1
83.3%
Humanity's Last Exam
74.3%
CritPt
35.4%
FrontierCode
56.2%

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