[OpenAI Launches Next-Generation GPT-5.6 Series Models, Limited Preview Available to Select Partners] Odaily Planet Daily reports that OpenAI has officially launched the preview version of its next-generation GPT-5.6 series models, including the flagship model Sol, the balanced model Terra, and the fast, low-cost model Luna. GPT-5.6 introduces a new maximum inference effort and features a super mode capable of accelerating complex tasks through sub-agents. The model boasts enhanced capabilities in areas such as coding, biology, and cybersecurity. In terms of pricing, calculated per 1 million tokens: - Sol: $5 for input, $30 for output - Terra: $2.5 for input, $15 for output - Luna: $1 for input, $6 for output The model is currently available for limited preview to a select group of trusted partners, with plans for full release in the coming weeks. Additionally, the model will go live on Cerebras in July.