LLM Perks

clef

Free right now Small New

clef is a language model. It is currently free at 1 provider with up to 66K tokens of context.

Context
66K tokens
Type
Text
Free since
October 1, 2026

Where to use clef for free

Each row is a separate free endpoint with its own limits.

ProviderContextLimitCard
Cloudflare Workers AI
@cf/cloudflare/clef
66K Workers Free: 10,000 Neurons/day shared across eligible models — Open

Quick start

curl https://api.cloudflare.com/client/v4/accounts/ACCOUNT_ID/ai/v1/chat/completions \
  -H "Authorization: Bearer $CLOUDFLARE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "@cf/cloudflare/clef",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Example for Cloudflare Workers AI. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.

Benchmarks

This model is not on the Artificial Analysis leaderboard yet. We do not publish our own estimates.

FAQ

Is clef free?

Yes. As of October 1, 2026, clef is free at Cloudflare Workers AI. Each provider has its own limits — see the table above.

What is the context window of clef?

The largest context among free routes is 65,536 tokens. Some providers cap it lower.

How do I call clef via API?

Use any OpenAI-compatible client with base URL https://api.cloudflare.com/client/v4/accounts/ACCOUNT_ID/ai/v1, model ID @cf/cloudflare/clef, and a Cloudflare Workers AI key.