---
title: "What is Clef Omni: a decision model that reads text and images | system-one.dev"
description: "Clef Omni is a multimodal decision model. It reads text and images and returns a choice, a score, or a yes/no probability—without generating text. Sign in to try live."
canonical: "https://system-one.dev/en/models/clef-omni"
language: "en"
---

# Clef Omni

A decision model that reads text and images and returns a choice, a score, or a yes/no answer.

Clef Omni is a multimodal decision model. Give it text, JSON, or images and a few questions (pick one, score, or yes/no); it returns a choice, a score, or a yes/no probability and does not generate text.

system-one.dev provides Clef Omni. Call it with the TypeScript SDK or the API. Billing is in credits; the rate is in Model info on this page. Sign in to try live: [Try live (sign in required)](https://system-one.dev/en/demo).

To learn what this kind of model is, see [What is a decision model?](https://system-one.dev/en/blog/what-is-a-decision-model).


## Model info

- Provided by: system-one.dev
- 4 credits per question per 4KB
- Up to 32 questions · 13MB per request
- Inputs: text, JSON, and images (PNG, JPEG, WebP)
- Images: up to 4 · 4MB each · 8MB total
- Pick one: up to 255 options; Score: 2–10 levels
- Released 2026-10-09

## Uses

- **Ticket routing with screenshots**: Read the user’s description and screenshot together, then pick a team or a tool. See [Agent tool routing](https://system-one.dev/en/blog/agent-tool-routing).
- **Text-and-image moderation**: Read a post and its image, then allow, block, or hand off from a yes/no probability. See [Agent guardrails](https://system-one.dev/en/blog/agent-guardrails).
- **Screenshot classification and routing**: Look at an uploaded screenshot and decide what kind of problem it is, or which model should handle it. See [Model routing](https://system-one.dev/en/blog/model-routing).
- **Text-and-image scoring**: Use Score on a generated image or a text-and-image result, as a first-pass evaluation. See [Using Score instead of an LLM as judge](https://system-one.dev/en/blog/llm-as-a-judge-alternative).
- **Agent completion checks**: Look at a UI screenshot and decide whether the task is done. See [When an agent should stop](https://system-one.dev/en/blog/agent-stop-condition).

## Frequently asked questions

### Is Clef Omni a large language model?

No. It does not generate text. You ask a few questions (pick one, score, or yes/no) and it only returns a choice, a score, or a probability. Use a generative model when you need written content.

### What inputs does Clef Omni accept?

On this site it currently accepts text (including JSON) and images. Limits are in Model info on this page.

### How is Clef Omni different from Clef and Clef Flash?

The three share the same request format and all accept text and images. Clef Flash is the cheapest and fits high-volume, cost-sensitive work. Clef has the highest rate; when Jev or Clef Flash is not good enough, compare Clef on the same data. Clef Omni sits between them. Compare the rates in each page’s Model info.

### Does Clef Omni support Chinese?

Test Chinese results with your own data first.

### How is it billed?

By credits, from the number of questions and the request size. See Model info on this page. Details: [Pricing](https://system-one.dev/en/pricing).

### Can I try it live?

Yes. [Try live (sign in required)](https://system-one.dev/en/demo).

## Official sources

- [On this site: decision primitives](https://docs.system-one.dev/en/docs/primitives)
- [GET /v1/models](https://system-one.dev/v1/models)
- [All models](https://system-one.dev/en/models)

Last updated 2026-10-11

- [Open GET /v1/models](https://system-one.dev/v1/models)

- [Developer docs](https://docs.system-one.dev/en/docs/api#developer-details)

- [Try live (sign in required)](https://system-one.dev/en/demo)

- [All models](https://system-one.dev/en/models)