Hello GPT-6 Sol and GPT-6 Luna! ☀️🌖
Better at coding and computer use, so you can build more capable apps and agents.
Half the token price of GPT-5.6, and even cheaper per task!
Please welcome GPT-6 Sol and GPT-6 Luna to the GPT-6 universe.
GPT-6 Sol and Luna build on the advances behind GPT-6 Astra, bringing much of its strengths into faster and more affordable models to support work at scale.
We’ve also made caching and inference more efficient, and we’re passing the savings directly to you: 50% lower API prices for Sol and Luna compared with GPT‑5.6 promotional pricing.