BREAKING
OpenAI Unveils GPT-5.6 Series
Three Models: Sol, Terra, Luna
SolFlagship
Strong agentic tasks
Most robust safety stack
TerraBalanced
Like GPT-5.5
At half the cost
LunaLow-cost
Cheapest and fastest
Everyday use
Output Price per 1M Tokens
Sol30
Opus 4.825
Terra15
Luna6
0h
Sol speedup time
0h
Opus speedup time
METR: Below AI R&D Threshold
Preview, Real Verdict Awaits
AI NEWS BLITZ
OpenAI has revealed its next-generation GPT-5.6 lineup in a limited preview.