OpenAI is introducing GPT-5.6, its next-generation model, two months after the release of GPT-5.5. However, the rollout to customers won’t be as straightforward as previous model updates to ChatGPT and Codex.
GPT-5.6 consists of three models
OpenAI’s new GPT-5.6 models include three versions, inspired by the Sun, Earth, and Moon. From today’s announcement:
Sol, our flagship model
Terra, a balanced model for everyday work











