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Decision-model use cases

What teams run on decision models — each page pairs the pattern with a runnable example.

  • Intent Classification & Routing API — millisecond decisions
  • Content Moderation Pre-Filter API — decisions before generation
  • API & Command Permission Checks — decisions, not generations
  • LLM-as-a-Judge, without paying for verdicts — decision models
  • Scoring & Grading API — ordinal scores with calibrated confidence
  • State-machine decisions — branch your workflow on typed answers
  • Dedup, matching & cheap classification at volume
EASYJEV

EasyJev hosts the full System One decision-model catalog behind one typesafe-sdk-compatible endpoint: token-precise billing, free output tokens, live playground.

Model Square

  • typesafe/jev-1.13
  • typesafe/jev-1.14
  • typesafe/jev-latest
  • perplexity/pplx-decider-v1.2
  • perplexity/pplx-decider-flash-v1.2
  • baseten/mammoth-1
  • baseten/elephant-1
  • baseten/joey-1
  • nace-ai/drex-max
  • nace-ai/drex-v2.0
  • nace-ai/drex-v1.5
  • liquid/d1.1
  • Browse all decision models

Use Cases

  • Intent Classification & Routing API — millisecond decisions
  • Content Moderation Pre-Filter API — decisions before generation
  • API & Command Permission Checks — decisions, not generations
  • LLM-as-a-Judge, without paying for verdicts — decision models
  • Scoring & Grading API — ordinal scores with calibrated confidence
  • State-machine decisions — branch your workflow on typed answers
  • Guides

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