OpenAI Unveils GPT-6 Sol and Luna: Faster, Cheaper Models with Major Upgrades

Key Info

OpenAI has introduced GPT-6 Sol and Luna, new models in the GPT-6 family that deliver much of GPT-6 Astra's strengths in faster and more affordable packages, with per-token pricing halved compared to the 5.6-family predecessors.

Highlights

• Sol and Luna offer significant improvements over the 5.6 family in intelligence, alignment, work output, coding, and computer use.
• They are priced at half the cost per token, with even lower per-task costs, making them more economical for large-scale work.
• OpenAI has optimized caching and inference efficiency, passing savings to users.
• CEO Sam Altman asserts that on per-task pricing—the metric he deems most important—nothing else in the market is competitive.