
OpenAI Launches GPT-6 Sol and Luna With 50% Lower API Prices and 90% Cache Discounts
OpenAI has released GPT-6 Sol and GPT-6 Luna, cutting API prices by 50% and introducing a 90% discount on cached input. Here is what the numbers mean for per-task costs, the Opus 5.5 launch the same day, and how to choose models for AI agents.








