readable AI benchmarks (simplified)

readable AI benchmarks

OpenAI

GPT-5.5 (medium)

reasoning · closed weights · Apr 23, 2026

GPT-5.5 (medium) has a Quality Score of 63.4, ranking 16th among 53 scored models. Per 1M tokens, pricing is $5.00 input, $30.00 output, and $0.500 cached input. Its Reliability Score is 58.6, ranking 17th among 53 scored models, above average (total average: 50.1). Its Value Score is 38.7, around average compared with the total Value average of 39.6.

Quality Score63.4coverage 93.8%: missing Epoch General ECI and DeepSWE v1.1
Value Score38.7
Reliability58.6
Cache Discount90%

Model specification

Reasoning
reasoning
Input modalities
none
Output modalities
none
Context window
not available
Weights
closed weights

Token prices USD per 1M tokens

Input
$5.00
Output
$30.00
Cached Input
$0.500
Cache write
not available
Cost per task
$0.406

Capability

Intelligence
50.4
Coding
71.5
Agentic
37.8
Omniscience
17.3
Correct
55.6%
Blended price
$4.35

Answer outcomes

Attempt rate: 93.9%

Correct 55.6%Incorrect 38.3%Abstained 6.1%

Artificial Analysis benchmarks

GDPval-AA v2
44%
τ³-Banking
26%
Terminal-Bench v2.1
81%
SciCode
53%
Humanity’s Last Exam
41%
GPQA Diamond
93%
CritPt
19%
AA-Omniscience
59%
AA-LCR
72%

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