OpenAI Announces Limited Preview of Next-Gen Models: GPT-5.6 Sol, Terra, and Luna

Core summary

One sentence to understand this update

OpenAI has introduced a limited preview of its next-generation frontier model, GPT-5.6 Sol, alongside balanced model GPT-5.6 Terra and fast, affordable model GPT-5.6 Luna.

Impact & opportunity

What this could mean

Developers now have early access to OpenAI's latest models, enabling them to build and experiment with cutting-edge AI capabilities across different performance tiers.