OpenAI models
GPT-OSS open weights to run yourself, GPT-5.x served online.
Online - optional, pay per use
GPT-5.3 Codex391K context
$2.27 in · $18 out /MGPT-5.6 (Web)1.0M context
$2.60 in · $16 out /MGPT-5.6 Terra1.0M context · reads images
$2.60 in · $16 out /MGPT-6 Astra1.0M context · reads images
$13 in · $65 out /MGPT-6 Luna1.0M context · reads images
$0.13 in · $0.65 out /MGPT-6.1 Sol1.0M context · reads images
$2.60 in · $13 out /M