- Sub-40ms Edge Decision: Cloudflare Clef-flash hits 38.8ms median latency on Workers AI—13x faster than Jev for real-time routing.
- AI Search GA: Cloudflare AI Search is now generally available with usage-based billing starting November 1, 2026.
- AI Gateway Web Search API: Developers can now empower AI agents to search live internet sources directly through Cloudflare's secure gateway.
As part of its landmark Birthday Week wrap-up, Cloudflare unveiled two transformative advancements for modern web architects: Clef and Clef-flash on Workers AI, and the General Availability (GA) of Cloudflare AI Search.
In modern web applications, speed is everything. Sending every single click or form input across the world to a massive 70-billion-parameter cloud LLM introduces perceptible lag. With Clef-flash, Cloudflare places ultra-fast decision intelligence inside the CDN edge with a median latency of just 38.8 milliseconds.
export default {
async fetch(request, env) {
const { userPrompt } = await request.json();
// Sub-40ms Edge Decision Routing with Clef-flash
const decision = await env.AI.run('@cf/cloudflare/clef-flash', {
prompt: `Classify query intent (fast_route or deep_llm): ${userPrompt}`
});
if (decision.intent === 'fast_route') {
return new Response(JSON.stringify({ cached: true, route: 'edge' }));
}
// Fallback to heavy frontier model only when necessary
return fetch('https://api.openai.com/v1/chat/completions', { ... });
}
};Most Searched Common Doubt
"Why should I use an edge model like Clef instead of sending requests to GPT-4o or Claude Sonnet?"
Quick Answer: Frontier models like GPT-4o take 800ms to 2,000ms to respond, which ruins interactive web app UI responsiveness. Cloudflare Clef-flash runs in under 40ms right at the CDN edge, allowing you to classify user intent, authenticate tokens, and route requests before deciding whether an expensive frontier LLM call is even needed.
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