Winnow-E4B
Winnow-E4B by EldanRing is a decision model: it answers typed questions with a probability for each allowed answer instead of generating text. It scores 38.7 on the Jev Decision Index (rank 87).
Pricing
No hosted price is listed. The weights are open: the cost is your own compute.
Specifications
- Provider
- EldanRing
- Parameters
- 8B
- Released
- Sep 2026
- Open weights
- Yes
- Question types
- Choice (one of N options), Score (ordered rubric), Yes / no
- Mechanism
- Decoder LM with a decision readout
- Backbone
- google/gemma-4-E4B
- Jev-compatible request
- Yes
- Runs on CPU
- No
- License
- apache-2.0
- Hugging Face
- EldanRing/Winnow-E4B
Benchmarks
- Jev Decision IndexECE 0.058
- 38.7
- Jev Decision Index — VisionECE 0.050
- 42.1
Jev Decision Index: public 40.9, ECE 0.058, Brier 0.461. Lower ECE means its probabilities can be taken at face value.
Speed & latency
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FAQ
How much does Winnow-E4B cost?
Winnow-E4B has no hosted price listed; its weights are open, so the cost is the compute you run it on.
What questions can Winnow-E4B answer?
Winnow-E4B answers choice (one of n options), score (ordered rubric), yes / no questions, returning a probability for each allowed answer.
Is Winnow-E4B well calibrated?
On the Jev Decision Index its expected calibration error (ECE) is 0.058; below about 0.05, a stated 80% confidence is right roughly 80% of the time.
Is Winnow-E4B open weight, and can it run on a CPU?
Yes, Winnow-E4B has open weights. It needs a GPU to run at useful speed.
Data as of 2026-10-14. Source: Metatext decision-model catalogue, 2026-10-14 (Jev Decision Index, Enterprise Decision Arena, Hugging Face). Pricing is per 1M tokens (USD); confirm with the provider before production use.