DeepSeek V4-Flash: World's Lowest-Cost AI Model Emerges

DeepSeek, a Chinese AI startup, has unveiled its V4-Flash model, described as the world's most cost-efficient mainstream AI model. This model is significantly cheaper to operate than competing frontier models. What's interesting is that benchmark testing shows it costs over 100 times less to run than Anthropic’s Claude Fable 5. Yet, it still delivers competitive performance across reasoning and coding tasks. DeepSeek officially launched V4-Flash on Friday. According to research firm Artificial Analysis, V4-Flash costs approximately $0.03 per benchmark test. This makes it the least expensive well-known AI model evaluated by the firm. To put that in perspective, Moonshot AI’s Kimi K3 costs an estimated $0.86, OpenAI’s GPT-5.6 Sol is $1.86, and Anthropic’s Claude Fable 5 is $3.15. DeepSeek's V4-Flash charges $0.14 per million input tokens and $0.28 per million output tokens. This aggressive pricing strategy aims to make it attractive for high-volume applications like customer service and coding assistance. The bottom line is that this could significantly impact operational expenses for businesses using AI.