Dossier
AI model efficiency
Coverage of AI model efficiency in the Nexus archive.
- DeepSeek V4 Is Here—Its Pro Version Costs 98% Less Than GPT 5.5 Pro
DeepSeek V4, a new AI model from a Chinese lab, was released with a Pro version that costs 98% less than GPT-5.5 Pro. The launch occurred hours after OpenAI's GPT-5 update, highlighting competitive advancements in AI efficiency.