# Cloudflare Clef — AI Compare Ninja

> Decision models on Workers AI: typed questions in, probabilities out. Not Typesafe Jev and not Cloudflare AI Search.

## Overview
- **Category:** Development & Code (Agent & RAG frameworks)
- **Status:** Active · checked - Active decision models on Workers AI, checked on the model cards.
- **Paid from:** 0.09 USD / per 1 million input tokens (Clef-flash)
- **Free access:** No free plan published
- **Website:** https://developers.cloudflare.com/workers-ai/models/clef/
- **Canonical URL:** https://www.aicompare.ninja/en/tool/cloudflare-clef

## What it does
- Decision models on Workers AI. Not Typesafe Jev and not Cloudflare AI Search.
- Clef-flash 0.09 USD per 1 million input tokens. Clef 0.24 USD per 1 million input tokens. No output price on the cards.
- Context window 65536 tokens. Weights Apache 2.0. Fine-tuning has no public dollar price.

## In brief
Cloudflare Clef on Workers AI covers Clef and Clef-flash. Typed questions go in and probabilities come out. The weights are Apache 2.0. This is not Typesafe Jev, not Cloudflare AI Search, and not an LLM chat seat.

Clef-flash is 0.09 USD per 1 million input tokens. Clef is 0.24 USD per 1 million input tokens. The model cards do not publish an output-token price. The context window is 65536 tokens. The blog does not publish a public dollar price for fine-tuning. Prices in US dollars as listed by the vendor, without currency conversion.


## Limits
Clef and Clef-flash are Cloudflare decision models on Workers AI. Typed questions go in and probabilities come out. The weights are Apache 2.0. This is not Typesafe Jev, not Cloudflare AI Search, and not an LLM chat seat. Clef-flash is 0.09 USD per 1 million input tokens. Clef is 0.24 USD per 1 million input tokens. The model cards do not publish an output-token price. The context window is 65536 tokens. The blog does not publish a public dollar price for fine-tuning.

## Pricing tiers
| Tier | Price | Period | What you get |
| --- | --- | --- | --- |
| Clef-flash | 0.09 USD | per 1 million input tokens | 0.09 USD per 1 million input tokens. The card does not publish an output-token price. Context window 65536 tokens.; Not Typesafe Jev, not Cloudflare AI Search, and not an LLM chat seat. |
| Clef | 0.24 USD | per 1 million input tokens | 0.24 USD per 1 million input tokens. The card does not publish an output-token price. Context window 65536 tokens.; Not Typesafe Jev, not Cloudflare AI Search, and not an LLM chat seat. |

## Sources
All details regarding plans, limits, and features are based on official vendor documentation and the primary sources verified below.

- https://developers.cloudflare.com/workers-ai/models/clef/
- https://developers.cloudflare.com/workers-ai/models/clef-flash/
- https://blog.cloudflare.com/clef-decision-models/

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*Source: AI Compare Ninja (2026) - https://www.aicompare.ninja/en/tool/cloudflare-clef*