A version of Chinese startup DeepSeek's flagship AI model is by far the least expensive to run on benchmark tests among well-known models globally and more than 100 times cheaper to run than Anthropic's Claude Fable 5, according to a research firm.

Company touts more capable offerings and says it will implement peak-hour pricing plan

DeepSeek launches beta for V4 models amid AI price war. Anthropic's model leads at 93% YES for best AI by August 2026.