GPT-5.6's tiered Sol, Terra, and Luna models launch Thursday, but developers are more excited about Terra's economics than Sol's benchmarks.
OpenAI's confirmation late Tuesday that GPT-5.6 Sol, Terra, and Luna will launch publicly on Thursday closes one of the more unusual rollouts in recent memory. After weeks of restricting GPT-5.6 to roughly 20 pre-approved partner organizations, the Trump...