# Levanto Sage

> Documentation for the Levanto Sage decision model — structured decisions for routing, scoring, and classification.

## Docs

- [Authentication](https://docs.levanto.ai/decision-model/authentication.md): Authenticate /decide and /decide/batch calls with a Levanto API key.
- [Batch requests](https://docs.levanto.ai/decision-model/batch.md): Run multiple decisions in a single request.
- [Choice decisions](https://docs.levanto.ai/decision-model/choice.md): Pick the best option from a set with per-option probabilities.
- [Errors](https://docs.levanto.ai/decision-model/errors.md): Status codes and error response bodies for the Sage decision API.
- [Grounding](https://docs.levanto.ai/decision-model/grounding.md): Optional web search before deciding on low-confidence requests.
- [Limits](https://docs.levanto.ai/decision-model/limits.md): Per-kind size limits and the content and question token budget.
- [Quickstart](https://docs.levanto.ai/decision-model/quickstart.md): Make your first Levanto Sage decision API call.
- [Scale decisions](https://docs.levanto.ai/decision-model/scale.md): Rubric scoring with expectation and confidence.
- [Sort decisions](https://docs.levanto.ai/decision-model/sort.md): Rank a list of items by a criterion.
- [Tags decisions](https://docs.levanto.ai/decision-model/tags.md): Apply independent yes/no labels to the same content.
- [Yes/No decisions](https://docs.levanto.ai/decision-model/yesno.md): Binary decisions with probability, answer, and confidence.
- [Introduction](https://docs.levanto.ai/index.md): Levanto Sage documentation — structured decision API for routing, scoring, and classification.
- [Agent skill](https://docs.levanto.ai/levanto-sage-decide.md): Drop-in Cursor/Claude agent skill for calling the Levanto Sage decision API.
- [OpenAPI schema](https://docs.levanto.ai/openapi-schema.md): Machine-readable OpenAPI specification for the Sage decision API.
- [Pricing](https://docs.levanto.ai/pricing.md): How Levanto Sage decision calls are priced.
- [SDK](https://docs.levanto.ai/sdk.md): Thin, typed JavaScript/TypeScript and Python clients for the Levanto Sage decision API.
- [Use cases](https://docs.levanto.ai/use-cases.md): Where Levanto Sage fits — agents, operations, guardrails, moderation, and risk.