Clef Flash — Free AI Chat on Rewind.ai

Chat with Clef Flash for free — no signup, no credit card. Cloudflare's Clef Flash runs in your browser on Rewind.ai, with pay-as-you-go tokens and full API access.

What is Clef Flash?

Clef-flash is the fast 9B member of Cloudflare's open-source Clef decision model family, a fine-tune of Qwen3.5-9B served on Workers AI. It turns a state (text or structured JSON) plus.

How does Clef Flash work?

Type your message in the box above and Clef Flash replies instantly — no setup required. Your chat history is saved locally in your browser; sign up free to sync it across devices and get an extra 10,000 tokens. You can switch between Clef Flash and other models at any time from the picker at the top.

Is Clef Flash free?

Clef Flash is pay-as-you-go at $0.09/M input tokens, but you can use it without paying: every visitor gets 2,500 free tokens a day with no sign up, and a free account raises that to 5,000.