slop
subs
What a task really costs on a subscription
Download PNG
Line chart
Labels
Plans & models
13
Intelligence Index
FrontierCode 2.0
Effective cost vs intelligence
API prices
Pareto line
Linear
Log
0
10
20
30
40
50
60
$0.0003
$0.001
$0.003
$0.01
$0.03
$0.1
$0.3
$1
$3
$10
Intelligence index
Effective cost per task (USD, log scale)
Opus 5.5
GPT-6 Astra
GPT-6.1 Sol
Sonnet 5.5
GPT-6.1 Terra
Gemini 4 Argon
Fable 5.1
Muse Spark 1.3
Haiku 5.5
GPT-6 Luna
API
Claude Ultra
ChatGPT Pro 200
OpenCode Go