BREAKING
OpenAI Launches GPT-5.6 in Three Tiers
Sol, Terra and Luna
Sol
Flagship
●
Top performance
●
Ultra runs parallel agents
Terra
Balanced
●
GPT-5.5-class output
●
About half the cost
Luna
Fastest
●
Cheapest tier
●
Beats prior top setting
0
x
cheaper vs GPT-5.5 max
0
$/M
input tokens
0
$/M
output tokens
Sol Tops Benchmarks vs Fable 5
Sol: Agents' Last Exam
53.6
Fable 5: Agents' Last Exam
40.5
Sol max: Coding Index
80
Praise and Caution on Rollout
GPT-5.6 Rolling Out Globally
AI NEWS BLITZ
OpenAI has rolled out GPT-5.6 with three new model tiers.