The Artificial Intelligence Show · Tuesday, September 29, 2026
OpenAI has introduced GPT-6 Sol and Luna, bringing advanced model capabilities to faster, cheaper options for everyday work. These models are available to paid ChatGPT users and via API, with a significant 50% reduction in API prices compared to the previous generation. OpenAI also reported that Sol made approximately half as many factual errors in internal tests.
“So Open AI introduced GPT-6 Sol and Luna this past week. So they're basically bringing the advances from their top tier Astra model into faster, cheaper options for everyday work.”
“Open AI says it cut API prices by 50% compared with the previous generation, promotional pricing.”
“On an internal test that they built from conversations where users were flagging factual errors in responses, Sol made about half as many mistakes as its predecessors.”