OpenAI has previewed its GPT-5.6 models, which will feature new pricing. The models, which include Sol, Terra, and Luna, are being introduced as part of a new enterprise AI model strategy, with some outlets reporting they are already available to limited preview partners, while others indicate a public rollout is planned. The availability and rollout details of the GPT-5.6 models are not entirely clear, with some sources suggesting a general release and others indicating a more limited or staggered launch.