OpenAI drops GPT-5.6 Luna and Terra API prices by up to 80%

OpenAI has cut API prices for its GPT-5.6 Terra and Luna models by 20% and 80%, respectively, while also reducing the number of usage credits the models consume in ChatGPT Work and Codex, in an effort to effectively increase the amount of AI work enterprise subscribers can perform without paying more. “Starting July 30, API pricing is $2 per million input tokens and $12 per million output tokens for Terra, and $0.20 per million input tokens and $1.20 per million output tokens for Luna,” the comp