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Intern-Decision-4B

Intern Large ModelsDecision modelOpen weights

Intern-Decision-4B by Intern Large Models is a decision model: it answers typed questions with a probability for each allowed answer instead of generating text. It scores 38.2 on the Jev Decision Index (rank 90).

Pricing

No hosted price is listed. The weights are open: the cost is your own compute.

Specifications

Provider
Intern Large Models
Parameters
5B
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
Qwen/Qwen3.5-4B-Base
Jev-compatible request
No
Runs on CPU
No
License
apache-2.0
Hugging Face
internlm/Intern-Decision-4B

Benchmarks

Jev Decision IndexECE 0.028
38.2

Jev Decision Index: public 38.0, ECE 0.028, Brier 0.474. Lower ECE means its probabilities can be taken at face value.

Speed & latency

Median latency per call (Decision Index)
44 ms

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FAQ

How much does Intern-Decision-4B cost?

Intern-Decision-4B has no hosted price listed; its weights are open, so the cost is the compute you run it on.

What questions can Intern-Decision-4B answer?

Intern-Decision-4B answers choice (one of n options), score (ordered rubric), yes / no questions, returning a probability for each allowed answer.

Is Intern-Decision-4B well calibrated?

On the Jev Decision Index its expected calibration error (ECE) is 0.028; below about 0.05, a stated 80% confidence is right roughly 80% of the time.

Is Intern-Decision-4B open weight, and can it run on a CPU?

Yes, Intern-Decision-4B 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.