Clef measured on 11 of 12 Decision models benchmarks11
BenchmarkByScoreRank
No benchmark matches
Alternatives?
ModelScoreCostPer taskWhat changes
BetterD1 Ultra+30%—$0.042 / —Context: 66K → 33K
OpenDecider v1.2+24%—$0.02 / —CBetterCeleris-1 Decision+18%—$0.04 / —Context: not verifiedFBetterGLiDEunstated+18%—$0.15 / —Context: 66K → 40K
BetterMicrosoft Decision 1+15%—$0.042 / —Context: 66K → 33K+1ModelScoreCostPer taskWhat changes
Nothing here yet.
ModelScoreCostPer taskWhat changes
D1 Ultra+30%—$0.042 / —Context: 66K → 33KDecider v1.2Open+24%—$0.02 / —CCeleris-1 Decision+18%—$0.04 / —Context: not verifiedFGLiDEunstated+18%—$0.15 / —Context: 66K → 40KMicrosoft Decision 1+15%—$0.042 / —Context: 66K → 33K+1ModelScoreCostPer taskWhat changes
Decider v1.2Open+24%—$0.02 / —Decider v1.1 27BOpen+8%——Context: 66K → 8KDecider Flash v1.2Open+5%—$0.01 / —CClef FlashOpen-9%—$0.038 / —Context: 66K → 25KCClef OmniOpen-13%—$0.15 / —Context: 66K → 64K+1ModelScoreCostPer taskWhat changes
CClef FlashOpen-9%—$0.038 / —Context: 66K → 25KCClef OmniOpen-13%—$0.15 / —Context: 66K → 64K+1All 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 GPT-6 Luna Decisions?›
On AA Decision · When2Call accuracy, Clef scores 71 vs 74.1 — lower.
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?›
D1 Ultra (better), Decider v1.2 (open weights).