readable AI benchmarks (simplified)

readable AI benchmarks

Anthropic

Claude Opus 5.5 (Low, Default Fallback)

reasoning · closed weights · release date not listed

Claude Opus 5.5 (Low, Default Fallback) has a Quality Score of 52.1, ranking 40th among 237 scored models. Per 1M tokens, pricing is $4.00 input, $20.00 output, $0.200 cached input, and $5.00 cache write. It has a 1M token context window. Its Reliability Score is 69.5, ranking 21st among 245 scored models, above average (total average: 46.4). Its Value Score is 32.1, around average compared with the total Value average of 28.3.

Quality Score52.1coverage 100.0%: AA Intelligence and AA-Omniscience outcomes available
Value Score32.1
Factual reliability69.5
Cache Discount95%

Model specification

Reasoning
reasoning
Input modalities
none
Output modalities
none
Context window
1M tokens
Weights
closed weights

Token prices USD per 1M tokens

Input
$4.00
Output
$20.00
Cached Input
$0.200
Cache write
$5.00
Cost per task
$0.976

Capability

Intelligence
34.8
Omniscience (native net)
39.0
Correct
63.3%
Blended price
$2.94

Answer outcomes

Fully graded outcomes (Correct + Incorrect): 87.6%

Correct 63.3%Incorrect 24.3%Partial / not attempted 12.4%

Artificial Analysis benchmarks aa-v5

Current Intelligence Index components

AA-Briefcase v1.1
1279.0 Elo
AutomationBench-AA
52.9%
private 657-task split from dataset v1.0.6
GDP.pdf
25.6%
FrontierCode v2.0
15.8%
AA Stirrup · 132 tasks, 3 attempts per task
Terminal-Bench v4.0
31.3%
AA mini-swe-agent standardized runs · 66 tasks, pass@1 averaged over 3 repeats per task
AA-Omniscience v1.1
39.0 native net
HLE-Diamond
41.7%
CritPt v2 Hard
36.0%
AA Stirrup · hard subset, 40 of 70 problems
Terminal-Bench-Science v0.1.0
24.3%

Standalone evaluations

GDPval-AA v2.1
1240.2 Elo

Historical evaluations

SciCode v1.0.1
58.6%
AA Long Context Reasoning v1.1
80.7%
Humanity's Last Exam
48.3%
CritPt
17.7%
FrontierCode
42.7%

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