BREAKING
OpenAI Previews GPT-5.6 Family
Three Models: Sol, Terra, Luna
Sol
Flagship
●
Top performance
●
1.5M token context
Terra
Balanced
●
Everyday work
●
GPT-5.5 level, lower cost
Terminal-Bench 2.1 Scores
Sol Ultra
91.9
Sol
88.8
Claude Mythos 5
88
GPT-5.5
83.4
0
$
Sol input
0
$
Sol output
0
$
Luna input
0
$
Luna output
General Release Delayed by US Gov
Preview Only, Rollout Pending
AI NEWS BLITZ
OpenAI has opened a limited preview of its next-generation GPT-5.6 models.