Sieve 9B
Sieve 9B by Sthānika AI is a decision model: it answers typed questions with a probability for each allowed answer instead of generating text. It scores 44.6 on the Jev Decision Index (rank 68).
Pricing
No hosted price is listed. The weights are open: the cost is your own compute.
Specifications
- Provider
- Sthānika AI
- Parameters
- 10B
- 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/Qwen3.5-9B
- Jev-compatible request
- No
- Runs on CPU
- No
- License
- apache-2.0
- Hugging Face
- sthanika-ai/Sieve-9B
Benchmarks
- Jev Decision IndexECE 0.043
- 44.6
Jev Decision Index: public 41.9, ECE 0.043, Brier 0.441. Lower ECE means its probabilities can be taken at face value.
Self-reported by the publisher
The model's own claims, often on its own sets or a self-run copy of a public suite. Not independently verified and never ranked alongside measured results.
- Jev Decision Index public suite (self-run)Self-reportedDecision Index public balanced skill, edition 0.2.1 kit (release-v2.1), self-run
- 41.7
- Decision Index 0.2.1 (150,317 requests over 44 benchmarks; tSelf-reported
- 41.7
- Decision Index 0.3.2 leaderboard (public suite and the maintSelf-reported
- 44.6
- decision-v7 development (1,264 clean questions)Self-reported
- 0.872
- transfer-v4 development (656 clean questions)Self-reported
- 0.829
- transfer-v9 development, strict (936 questions)Self-reported
- 0.753
Speed & latency
Compare Sieve 9B with…
FAQ
How much does Sieve 9B cost?
Sieve 9B has no hosted price listed; its weights are open, so the cost is the compute you run it on.
What questions can Sieve 9B answer?
Sieve 9B answers choice (one of n options), score (ordered rubric), yes / no questions, returning a probability for each allowed answer.
Is Sieve 9B well calibrated?
On the Jev Decision Index its expected calibration error (ECE) is 0.043; below about 0.05, a stated 80% confidence is right roughly 80% of the time.
Is Sieve 9B open weight, and can it run on a CPU?
Yes, Sieve 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 (Jev Decision Index, Hugging Face). Pricing is per 1M tokens (USD); confirm with the provider before production use.