Anthropic and OpenAI roll out cheaper models in first release since call for slowdown

Anthropic and OpenAI released cheaper AI models this week, with OpenAI introducing GPT-6 Sol and GPT-6 Luna at 50% lower API prices (the cost to use them through their services), and Anthropic launching Claude Opus 5.5, which uses fewer tokens (the small chunks of text the AI processes) and costs about 40% less than the previous version. These releases come despite recent industry calls for slowing down advanced AI development, as both companies face competition from cheaper alternatives and customer demand for more cost-effective models.