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DECISIONx-1.5B

thinkingdbxDecision modelOpen weights

DECISIONx-1.5B by thinkingdbx 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
thinkingdbx
Parameters
2B
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/Qwen2.5-1.5B-Instruct
Jev-compatible request
No
Runs on CPU
No
License
decisionx-research
Hugging Face
thinkingdbx/DECISIONx-1.5B

Compare DECISIONx-1.5B with…

DECISIONx-1.5B vs amos-1-large—/1M inDECISIONx-1.5B vs amos-1-medium—/1M inDECISIONx-1.5B vs Celeris-1 Decision$0.04/1M inDECISIONx-1.5B vs ScaleDown Classify-1$0.04/1M inDECISIONx-1.5B vs Cloudflare clef—/1M inDECISIONx-1.5B vs Cloudflare clef-flash—/1M in

FAQ

How much does DECISIONx-1.5B cost?

DECISIONx-1.5B has no hosted price listed; its weights are open, so the cost is the compute you run it on.

What questions can DECISIONx-1.5B answer?

DECISIONx-1.5B answers choice (one of n options), score (ordered rubric), yes / no questions, returning a probability for each allowed answer.

Is DECISIONx-1.5B well calibrated?

No calibration measurement for DECISIONx-1.5B is recorded yet.

Is DECISIONx-1.5B open weight, and can it run on a CPU?

Yes, DECISIONx-1.5B 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.