OpenAI Previews GPT-5.6 Sol, Terra, and Luna Models

Core summary

One sentence to understand this update

OpenAI announced a limited preview of its next-generation frontier model, GPT-5.6 Sol, along with GPT-5.6 Terra for balanced everyday work and GPT-5.6 Luna for fast and affordable applications.

Impact & opportunity

What this could mean

Tracking OpenAI's new model releases across different tiers and use cases helps developers select the most suitable models for building diverse AI applications.