CoCo-Decision-4B 2.3.0
CoCo-Decision-4B 2.3.0 by Corners is a decision model: it answers typed questions with a probability for each allowed answer instead of generating text. It scores 48.8 on the Jev Decision Index (rank 48).
Pricing
No hosted price is listed. The weights are open: the cost is your own compute.
Specifications
- Provider
- Corners
- Parameters
- 4B
- Released
- Oct 2026
- Open weights
- Yes
- Question types
- Choice (one of N options), Score (ordered rubric), Yes / no
- Mechanism
- Decoder LM with a decision readout
- Backbone
- Qwen/Qwen3.5-4B
- Jev-compatible request
- Yes
- Runs on CPU
- No
- License
- cc-by-nc-4.0
- Hugging Face
- corners-ai/CoCo-Decision-4B
Benchmarks
- Jev Decision IndexECE 0.116
- 48.8
Jev Decision Index: public 55.4, ECE 0.116, Brier 0.389. Lower ECE means its probabilities can be taken at face value.
Self-reported by the publisher
The model's own claims, often on its own sets or a self-run copy of a public suite. Not independently verified and never ranked alongside measured results.
- Jev Decision Index public suite (self-run)Self-reportedDecision Index public balanced skill, edition 0.3 kit (release-v3), self-run
- 55.4
- Jev Decision Index 0.3 (public panel, self-scored)Self-reported
- 55.4
Speed & latency
Compare CoCo-Decision-4B 2.3.0 with…
FAQ
How much does CoCo-Decision-4B 2.3.0 cost?
CoCo-Decision-4B 2.3.0 has no hosted price listed; its weights are open, so the cost is the compute you run it on.
What questions can CoCo-Decision-4B 2.3.0 answer?
CoCo-Decision-4B 2.3.0 answers choice (one of n options), score (ordered rubric), yes / no questions, returning a probability for each allowed answer.
Is CoCo-Decision-4B 2.3.0 well calibrated?
On the Jev Decision Index its expected calibration error (ECE) is 0.116; below about 0.05, a stated 80% confidence is right roughly 80% of the time.
Is CoCo-Decision-4B 2.3.0 open weight, and can it run on a CPU?
Yes, CoCo-Decision-4B 2.3.0 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, Hugging Face). Pricing is per 1M tokens (USD); confirm with the provider before production use.