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Decisions API

Classify, score, and route text through one API

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What is Decisions API?

  • AI
  • Freemium
  • Launched week 40, 2026

Explore and compare decision models in the playground, then use a single API to classify, score, or route text. Submit text or JSON state with Choice, Score, or Noul questions and receive structured answers with probability or confidence information. Decisions API includes Jev 1.13, Liquid d1, Solar Decide, Tev1 4B Experimental, Kev 4B, Span-01, and Span-01 Lite. New accounts get 100 credits; one-time credit packs start at $10 and credits do not expire.

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Someone answered our questions about Decisions API.

Why use Decisions API to classify, score, and route text instead of writing custom prompts for each model?

Decisions API brings multiple decision models into one playground and one API. You can compare models, submit text or JSON state with Choice, Score, or Noul questions, and receive structured answers with probability or confidence information. The same SystemOne endpoint provides a consistent integration path for these decision workflows.

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