Clef measured on 11 of 12 Decision models benchmarks11
BenchmarkByScoreRank
No benchmark matches
Alternatives?
ModelScoreCostPer taskWhat changes
bBettermammoth-1 (27B)Open+25%—$0 / —Context: 66K → 16K+1ModelScoreCostPer taskWhat changes
Nothing here yet.
ModelScoreCostPer taskWhat changes
bmammoth-1 (27B)Open+25%—$0 / —Context: 66K → 16K+1ModelScoreCostPer taskWhat changes
bmammoth-1 (27B)Open+25%—$0 / —Context: 66K → 16K+1ModelScoreCostPer taskWhat changes
CClef OmniOpen-18%—$0.15 / —Context: 66K → 64K+1CClef FlashOpen-19%—$0.038 / —Context: 66K → 25KAll Cloudflare models →Run it yourself
estimateFits on✗ 8 GB (phone, laptop)✗ 16 GB✓ 24 GB GPU · compressed✓ 48 GB GPU · 8-bit✓ 80 GB GPU · full quality
LicenceApache-2.0free for commercial use
Benchmarks
in Decision modelsAA Decision Index v1.048.6#12
JevBench v1.6.116.8#3
JevBench v1.6.37 · open capability75.3#2
FAQ
How much does Clef cost?›
$0.24 per 1M input tokens and — per 1M output tokens; cheapest via OpenRouter at $0.042 / $0.
Is Clef free to use?›
There is no free API; the cheapest paid price is $0.042 per 1M input tokens. The weights are open, so you can run it yourself.
How good is Clef, and what is it best at?›
#12 of 15 in Decision models.
Is Clef better than Wald 26B A4B?›
On Community Decision Index 0.4.1, Clef scores 54.9 vs 55.4 — about the same.
How can I use Clef?›
Through the API of DeepInfra, OpenRouter.
What is the context window of Clef?›
66K tokens.
When was Clef released? Is there a newer version?›
Released 2026-09-30. It is the current version in its line.
Is Clef open source?›
Yes, the weights are open (Apache-2.0 licence).
Can I run Clef locally?›
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
Can Clef read images?›
It accepts text and images, video as input.
What is Clef?›
Clef is an open-weights language model from Cloudflare, released Sep 2026.
What are the best alternatives to Clef?›
mammoth-1 (27B) (better).