OpenAI cut GPT-5.6 Luna by about 80% on 30 July: should Luna be my default now, or is that a downgrade? Pricing
The announcement on 30 July cut API prices on the GPT 5.6 line: Luna by roughly 80%, to about $0.20 per million input tokens and $1.20 per million output, and Terra by around 20%, to about $2 and $12. Sol's standard…