OpenAI cut GPT-5.6 pricing for Terra and Luna while Sol is now 2.5x faster in the API. Here's why this matters, as AI budgets come under scrutiny due to mounting costs.

Efficiency gains drive major GPT-5.6 discounts.

July 30 : OpenAI slashed prices of its low- and mid-tier AI models on Thursday, a move that may intensify competition in the industry as U.S. companies battle cheaper Chinese…

The ChatGPT maker lowered the cost of its smaller GPT-5.6 Luna model by 80% and its mid-tier Terra by 20%, while leaving the price of its biggest and flagship Sol model…