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Lumma-fev-9b

FrontiersMindDecision modelOpen weights

Lumma-fev-9b by FrontiersMind is a decision model: it answers typed questions with a probability for each allowed answer instead of generating text.

Pricing

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

Specifications

Provider
FrontiersMind
Parameters
8B
Released
Sep 2026
Open weights
Yes
Question types
Choice (one of N options), Score (ordered rubric), Yes / no
Mechanism
Encoder classifier
Backbone
—
Jev-compatible request
Yes
Runs on CPU
No
License
apache-2.0
Hugging Face
FrontiersMind/Lumma-fev-9b

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FAQ

How much does Lumma-fev-9b cost?

Lumma-fev-9b has no hosted price listed; its weights are open, so the cost is the compute you run it on.

What questions can Lumma-fev-9b answer?

Lumma-fev-9b answers choice (one of n options), score (ordered rubric), yes / no questions, returning a probability for each allowed answer.

Is Lumma-fev-9b well calibrated?

No calibration measurement for Lumma-fev-9b is recorded yet.

Is Lumma-fev-9b open weight, and can it run on a CPU?

Yes, Lumma-fev-9b 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 (Hugging Face). Pricing is per 1M tokens (USD); confirm with the provider before production use.