Tiny-Jev

lostargonDecision modelOpen weights

Tiny-Jev by lostargon 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: lostargon
Parameters: 596M
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/Qwen3-0.6B
Jev-compatible request: Yes
Runs on CPU: Yes
License: apache-2.0
Hugging Face: lostargon/Tiny-Jev

Compare Tiny-Jev with…

Tiny-Jev vs amos-1-large—/1M in Tiny-Jev vs amos-1-medium—/1M in Tiny-Jev vs Celeris-1 Decision$0.04/1M in Tiny-Jev vs ScaleDown Classify-1$0.04/1M in Tiny-Jev vs Cloudflare clef—/1M in Tiny-Jev vs Cloudflare clef-flash—/1M in

FAQ

How much does Tiny-Jev cost?

Tiny-Jev has no hosted price listed; its weights are open, so the cost is the compute you run it on.

What questions can Tiny-Jev answer?

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

Is Tiny-Jev well calibrated?

No calibration measurement for Tiny-Jev is recorded yet.

Is Tiny-Jev open weight, and can it run on a CPU?

Yes, Tiny-Jev has open weights. It is small enough to run on a CPU.

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.