Cloudflare: Clef Flash
- by cloudflare
- cloudflare/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...
What the numbers mean
- Context window24,576 tokens
- How much the model can read in one request, counting your prompt, any files and the conversation so far. That is about 18,000 words, or 37 pages.
- Max output22,118 tokens
- The longest single reply it can write: about 17,000 words.
- Input price$0.019 per million tokens
- What you pay for everything the model reads. A 1,000-word prompt costs less than a cent.
- Output priceFree
- What you pay for everything the model writes. Output usually costs more than input. A 500-word answer costs nothing.
- Modalitiestext, image in, decisions out
- The kinds of content it accepts and the kinds it produces. A model that takes images in can read a screenshot; one that only puts text out cannot draw.