According to the company, GPT-5.6 Sol is its flagship frontier model designed for the most advanced reasoning and complex tasks. GPT-5.6 Terra is optimized as a balanced model for efficient, everyday work, while GPT-5.6 Luna is built to deliver fast, cost-effective performance for high-volume workloads.
The limited preview marks the latest step in OpenAI's rollout of its newest AI technology, with broader access expected to expand over time.
The announcement has generated excitement across the AI community as developers and businesses look forward to testing the capabilities of the new models.
