TechCrunch
OpenAI launches GPT-6 Sol and Luna, boasting lower cost and fewer mistakes
Tuesday, September 22, 2026
OpenAI announced two new AI models, GPT-6 Sol and GPT-6 Luna, which the company said share architectural similarities with its Astra model.
Original reporting: https://techcrunch.com/2026/09/22/openai-launches-gpt-6-sol-and-luna/