GPT-5.6 API Access: The Fastest Way In, Ranked by Friction
GPT-5.6 Luna API is OpenAI’s economy-tier reasoning model, and right now it is also the lowest-friction door into the GPT-5.6 family API: one key, an OpenAI-SDK-compatible endpoint, and a model string get you a working call at $0.20 in / $1.20 out per million tokens after the cut. The family is not one model, though…