readable AI benchmarks (simplified)

readable AI benchmarks

Anthropic

Claude Sonnet 5.5 (Adaptive Reasoning, Max Effort, Default Fallback)

reasoning · closed weights · Sep 28, 2026

Claude Sonnet 5.5 (Adaptive Reasoning, Max Effort, Default Fallback) has a Quality Score of 76.1, ranking 8th among 559 scored models. Per 1M tokens, pricing is $2.00 input, $10.00 output, $0.200 cached input, and $2.50 cache write. It accepts text, image, and pdf input, outputs text, and has a 1M token context window. Its Reliability Score is 66.2, ranking 20th among 561 scored models, above average (total average: 35.9). Its Value Score is 50.6, high compared with the total Value average of 31.1.

Quality Score76.1coverage 100.0%: AA Intelligence and AA-Omniscience outcomes available
Value Score50.6
Factual reliability66.2
Cache Discount90%

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
$2.00
Output
$10.00
Cached Input
$0.200
Cache write
$2.50
Cost per task
$7.60

Capability

Intelligence
56.0
Coding
not available
Agentic
not available
Omniscience
32.3
Correct
53.9%
Blended price
$1.54

Answer outcomes

Fully graded outcomes (Correct + Incorrect): 75.6%

Correct 53.9%Incorrect 21.7%Partial / not attempted 24.4%

Artificial Analysis benchmarks

GDPval-AA v2
67%
SciCode
61%
Humanity’s Last Exam
55%
CritPt
31%
AA-Omniscience
66%
AA-LCR
83%

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