ChatGPT News 09/22/2026 Read AI Rating: High
OpenAI Introduces GPT-6 Sol and Luna, Cutting Prices in Half Versus Predecessors
OpenAI launched GPT-6 Sol and GPT-6 Luna, more cost-efficient tiers of the GPT-6 family that match or approach GPT-6 Astra's quality at a fraction of the price โ Sol beats Claude Opus 5 on AutomationBench at 9% of the cost, while Luna runs at $0.10/$0.50 per million tokens.