---
title: "Cloudflare Clef returns decisions up to 2x faster on Workers AI: 2026-10-09 | Harbyn"
description: "Cloudflare Clef returns decisions up to 2x faster on Workers AI, announced Oct 9, 2026."
canonical: "https://harbyn.com/changes/cloudflare/2026-10-09-workers-ai-clef-omni-adds-audio-and-video-input-clef-flash-is-now-cheaper-an-2"
last-updated: 2026-10-09
---

# Cloudflare Clef returns decisions up to 2x faster on Workers AI

Markdown version of <https://harbyn.com/changes/cloudflare/2026-10-09-workers-ai-clef-omni-adds-audio-and-video-input-clef-flash-is-now-cheaper-an-2>.

Behavior change - Cloudflare. info severity. In effect.

Cloudflare changed how @cf/cloudflare/clef is served on Workers AI so decisions return up to 2x faster. The model weights and the API are unchanged.

## Facts

| Fact | Value |
| --- | --- |
| Vendor | [Cloudflare](https://harbyn.com/vendors/cloudflare.md) |
| Kind | Behavior change |
| Severity | info |
| Status | In effect |
| Announced | Oct 9, 2026 |
| Added to Harbyn | Oct 9, 2026 |
| Lead time | No dated deadline |
| Vendor page | <https://developers.cloudflare.com/changelog/post/2026-10-09-clef-omni-workers-ai/> |
| Review | Reviewed by a person, extracted by a model |

## Find it in your code

```sh
npx harbyn scan
```

This change names no identifier the scanner can match line by line, so the scan tells you whether your repository uses Cloudflare, from its packages and API hosts. Nothing leaves your machine.

## Sources

Where this event comes from: the page we read, when we read it, and the hash of that snapshot.

- <https://developers.cloudflare.com/changelog/rss/workers-ai.xml> (changelog, fetched 2026-10-09 22:43 UTC, sha256 `64b61c3933a7b1324444007d1ea79fbb872c8e79e46a16d29a954bb3386633e2`)

## Related changes

### More from Cloudflare

- [Clef-flash hosted context window cut to 24K tokens](https://harbyn.com/changes/cloudflare/2026-10-09-workers-ai-clef-omni-adds-audio-and-video-input-clef-flash-is-now-cheaper-an-3.md) (Breaking change, announced Oct 9, 2026)
- [Array form of createBatch() is deprecated](https://harbyn.com/changes/cloudflare/2026-10-08-workflows-workers-create-workflow-instance-batches-by-count-or-list-2.md) (Deprecation, announced Oct 8, 2026)
- [Workers requests and connections get a longer grace period during runtime updates](https://harbyn.com/changes/cloudflare/2026-10-12-workers-more-time-for-requests-to-finish-during-workers-runtime-updates.md) (Behavior change, announced Oct 12, 2026)
- [Workers Builds posts preview URLs faster](https://harbyn.com/changes/cloudflare/2026-10-12-workers-workers-builds-now-posts-preview-urls-in-seconds.md) (Behavior change, announced Oct 12, 2026)

### Changes at other vendors

- [Amazon Selling Partner API: ORDER\_CHANGE notifications add PreFulfillmentStatusChange for Amazon Autos](https://harbyn.com/changes/amazon-sp-api/2026-10-14-sp-api-updates-new-listings-items-api-ivp-values-in-eu5-jp-and-ca-stores-oct-3.md) (effective Oct 28, 2026)
- [BigCommerce: 301 redirects will apply only to storefront channels](https://harbyn.com/changes/bigcommerce/2026-10-07-301-redirects-now-apply-to-storefront-channels-only.md) (effective Nov 10, 2026)
- [GitHub: Secret scanning audit log business field changes to enterprise slug](https://harbyn.com/changes/github/2026-10-20-updates-to-github-secret-scanning-7.md) (effective Nov 12, 2026)
- [Jira / Atlassian Cloud: New IP address ranges in use from January 1, 2027](https://harbyn.com/changes/atlassian-jira/2026-10-16-atlassian-cloud-adds-new-ip-address-ranges.md) (effective Jan 1, 2027)

[All upcoming deadlines](https://harbyn.com/deadlines.md)