Liquid AI's Decision Model D1 Hits OpenRouter: Typed Answers With Probabilities at $0.04/M Input, $0 Output

maximelabonne · x · 2026-10-02

Liquid AI's structured decision model D1 is live on OpenRouter at $0.04/M input tokens and $0 output, with a 65K context window. Served as a System One endpoint, it takes app state plus yes/no, choice, or score questions and returns typed answers with probabilities drawn directly from the model rather than written as text — suited for routing, classification, and policy checks that need fast scored answers instead of prose.

Maxime Labonne amplified the launch, joking "Run wild and destroy our serving infra." The listing also surfaces Liquid's free LFM2.5-2.6B compact reasoning model (for agent workflows, data extraction, RAG) and the LFM2.5-Embedding-350M embedding model.

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