OpenAI: GPT-5.6 Models Face Major Price Cuts

OpenAI delivered sharp API price reductions today, extending the pattern of OpenAI GPT model API pricing history and cuts that has reshaped developer economics. GPT-5.6 Luna fell 80% to $0.20 per million input tokens and $1.20 output; GPT-5.6 Terra dropped 20% to $2/$12; GPT-5.6 Sol now offers Fast mode at up to 2.5x speed for double the price with unchanged intelligence. These moves illustrate the impact of LLM inference price reductions on AI industry competition as lower costs accelerate model deployment across sectors.