jeff-base
jeff-base by mstrasser 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
- mstrasser
- Parameters
- 853M
- 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/Qwen3.5-0.8B
- Jev-compatible request
- No
- Runs on CPU
- Yes
- License
- apache-2.0
- Hugging Face
- mstrasser/jeff-base
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FAQ
How much does jeff-base cost?
jeff-base has no hosted price listed; its weights are open, so the cost is the compute you run it on.
What questions can jeff-base answer?
jeff-base answers choice (one of n options), score (ordered rubric), yes / no questions, returning a probability for each allowed answer.
Is jeff-base well calibrated?
No calibration measurement for jeff-base is recorded yet.
Is jeff-base open weight, and can it run on a CPU?
Yes, jeff-base 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.