OpenAI Officially Launches GPT-5.6 Series Models

TechFlow News, July 10: Following the earlier limited preview, OpenAI officially launched the GPT-5.6 series models, making them open for public use. The GPT-5.6 series models Sol, Terra, and Luna will be available on ChatGPT, Codex, and API. The GPT-5.6 models are billed per million tokens, featuring 3 model specifications: Sol model input is $5, output is $30; Terra model input is $2.50, output is $15; Luna model input is $1, output is $6. (Jin10)