Comparison
Cloudflare Clef vs GPT-6 Astra
People have published 126 builds with Cloudflare Clef and 137 with GPT-6 Astra, overlapping in 8 use cases. Cloudflare Clef has more education, research examples; GPT-6 Astra has more games.
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
OpenAI's flagship GPT-6 model, released 2026-09-03 and pitched as its most intelligent and aligned yet, with state-of-the-art results on long-running computer-use benchmarks and ARC-AGI-3. Available in ChatGPT, Codex and the API; it powers products such as Dots and ChatGPT Work.
- 137
- Entries
- 128
- Creators
- X, GitHub, YouTube
- Top source
Same use case, side by side
Top builds with Cloudflare Clef
- 1Cloudflare Just Challenged Jev, So I Tested Their New Model (Clef)on YouTube:Better Stack· 64K views
- 2Say Hi to Clef. Better Open Source Jevon YouTube:CoderOne· 19.6K views
- 3Clef: Open-source decision models, and new RL fine-tuning platformon YouTube:Signal Coders· 17.3K views
- 4Cloudflare Clef: Free Open Source AI Decisions in 38mson YouTube:Prism Labs· 13.9K views
- 5Cloudflare Clef : The #1 Open Source Alternative to Jev Is Hereon YouTube:Codedigipt· 10K views
Top builds with GPT-6 Astra
- 1Interactive 3D anatomy site with 2,234 modelled pieceson X:ashe· 53.4K likes
- 2Astra breaks a 217-year-old cipher to a Napoleonic generalon X:Carter Church· 11.9K likes
- 3GPT 6 Astra - End of Developers?on YouTube:CodeWithHarry· 3.8M views
- 4Unreal Engine world filled with Astra-powered agents who must surviveon X:Matt Shumer· 28.3K likes
- 5Astra reads a never-deciphered 1918 German radio messageon X:prinz· 12.4K likes
