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Comparison

Cloudflare Clef vs Meta Muse

People have published 126 builds with Cloudflare Clef and 126 with Meta Muse, overlapping in 8 use cases. Cloudflare Clef has more education, agents examples; Meta Muse has more coding.

Cloudflare Clef

Clef (27B) and Clef-flash (9B) are Cloudflare-trained open-weight (Apache 2.0) multimodal decision models: given a state and typed questions they return bounded structured answers with probabilities in one forward pass, Jev/System One API compatible, hosted on Workers AI with a 64k context. Launched alongside a new RL fine-tuning platform.

126
Entries
118
Creators
GitHub, YouTube, Hacker News
Top source
Meta Muse

Meta's personal AI agent, launched in the US on Sep 8 2026. It runs in a dedicated cloud VM (Muse Secure VM), is reached via its app, web or WhatsApp, and books, buys, emails and calls on the user's behalf. Powered by the Muse Spark model family.

126
Entries
115
Creators
GitHub, X, YouTube
Top source

Same use case, side by side

Top builds with Cloudflare Clef

  1. 1
    Cloudflare Just Challenged Jev, So I Tested Their New Model (Clef)on YouTube:Better Stack· 64K views
  2. 2
    Say Hi to Clef. Better Open Source Jevon YouTube:CoderOne· 19.6K views
  3. 3
    Clef: Open-source decision models, and new RL fine-tuning platformon YouTube:Signal Coders· 17.3K views
  4. 4
    Cloudflare Clef: Free Open Source AI Decisions in 38mson YouTube:Prism Labs· 13.9K views
  5. 5
    Cloudflare Clef : The #1 Open Source Alternative to Jev Is Hereon YouTube:Codedigipt· 10K views

Top builds with Meta Muse

  1. 1
    muse-gadget-sdk: Meta official SDK for building Muse gadgetson GitHub:facebookincubator· 1.6K stars
  2. 2
    Alexandr Wang: Muse Gadgets ecosystem alerton X:Alexandr Wang· 8.3K likes
  3. 3
    Muse gets its own email address: forward it things and it handles themon X:Alexandr Wang· 6.6K likes
  4. 4
    Meta Muse is incredible: 5 features you need to tryon YouTube:Paul J Lipsky· 288K views
  5. 5
    Meta Muse AI connectors: the app store for AI?on YouTube:Greg Isenberg· 142.4K views