Cheap, powerful AI models are increasing usage, a bullish sign for the AI boom

AI companies are pivoting to cost reduction, with cheaper models driving increased usage—a bullish sign for the AI boom. OpenAI releases GPT-6 Sol and Luna on Tuesday, cutting costs for top business customers by 50%. Anthropic's Opus 5.5 costs 40% less to run than Opus 5, and xAI's Grok 4.7 launched Monday, all at unprecedented price-performance levels.