LAYA
LAYA by Convai Innovations is a decision model: it answers typed questions with a probability for each allowed answer instead of generating text. It scores 4.4 on the Jev Decision Index (rank 150). Hosted, it costs about Free per 1,000 decisions.
Pricing
Cost per 1,000 decisions assumes 200 input tokens per decision.
Specifications
- Provider
- Convai Innovations
- Parameters
- 421M
- Released
- Sep 2026
- Open weights
- Yes
- Question types
- Choice (one of N options), Score (ordered rubric), Yes / no
- Mechanism
- Encoder classifier
- Backbone
- ModernBERT-large + decision head (RLCD)
- Jev-compatible request
- Yes
- Runs on CPU
- Yes
- License
- Apache 2.0
- Hugging Face
- convaiinnovations/laya
Benchmarks
- Jev Decision IndexECE 0.140
- 4.4
- Jev Decision Indexedition 0.1 (earlier edition)
- 1.5
- DecisionBenchECE 0.142
- 0.392
Jev Decision Index: public 6.2, ECE 0.140, Brier 0.721. Lower ECE means its probabilities can be taken at face value.
Speed & latency
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FAQ
How much does LAYA cost?
Hosted, LAYA costs $0.00 per 1M input tokens, about Free per 1,000 decisions at 200 input tokens each.
What questions can LAYA answer?
LAYA answers choice (one of n options), score (ordered rubric), yes / no questions, returning a probability for each allowed answer.
Is LAYA well calibrated?
On the Jev Decision Index its expected calibration error (ECE) is 0.140; below about 0.05, a stated 80% confidence is right roughly 80% of the time.
Is LAYA open weight, and can it run on a CPU?
Yes, LAYA has open weights. It is small enough to run on a CPU.
Data as of 2026-10-14. Source: Metatext System One registry (metatext.io/system-one). Pricing is per 1M tokens (USD); confirm with the provider before production use.