All articles tagged with #claude opus 55
OpenAI and Anthropic have released new, more cost-effective AI models, GPT-6 Sol/Luna and Claude Opus 5.5, to compete with open-weight rivals. While these models offer significant price cuts, they follow a period of intense debate over AI safety and potential existential risks.
OpenAI and Anthropic released new AI models on September 22, 2026, prioritizing cost reduction over raw capability gains. Anthropic’s Claude Opus 5.5 costs 40% less than its predecessor, while OpenAI’s GPT-6 Sol and Luna are priced at half the cost of their GPT-5.6 counterparts. Both companies emphasize improved efficiency and safety, responding to enterprise demand for affordable, reliable AI deployments.