BREAKING
OpenAI previews GPT-5.6 Sol
Three models in the GPT-5.6 lineup
Sol
Flagship
●
Top performance
●
Strongest model
Terra
Balanced
●
Everyday work
●
2x more affordable
Luna
Fast
●
Low cost
●
Quick inference
Sol tops Terminal-Bench 2.1
GPT-5.5
88
Sol
88.8
Sol Ultra
91.9
Output pricing per 1M tokens
Sol
30
Terra
15
Luna
6
Limited rollout with safety focus
1
Trusted partners
↓
2
Safety stack
↓
3
ChatGPT soon
↓
4
GA undecided
Watch the GA timing
AI NEWS BLITZ
OpenAI has opened a limited preview of three new GPT-5.6 models led by Sol.