Liquid AI's specialized decision model now provides structured answers to app-state and choice questions for $0.04 per million input tokens. The d1 model is available for integration on OpenRouter with zero output fees, zero data retention, and a 65K context window, returning typed answers with probability scores for every option.

Developed in two weeks for software environments, d1 is the first model to beat Jev on Hugging Face's Decision Index. It features resistance to prompt injection and strong performance on multilingual evaluations, leading early users to build tools such as the LiquidRouter to optimize costs. The company's release of the tool has been compared by some early testers to the influence of BERT in 2020.