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LAYA multilingual

Convai InnovationsOpen weights

The 100+ language LAYA checkpoint on an mmBERT-base backbone. Ships with temperature [1, 1, 1], so it runs uncalibrated out of the box.

typed-decisions
0.345
2/20 over baseline
Metatext suite
0.431
2/7 over baseline
ECE untuned
0.322
→ 0.073 held-out fitted
p50 per case
149 ms
four CPU cores

Specifications

Checkpoint
convaiinnovations/laya-multilingual
Publisher
Convai Innovations
Mechanism
Encoder with a decision head (System One)
Backbone
mmBERT-base + decision head
Parameters
322M
License
Apache 2.0
Runs as
open weights, self-hosted
Library
laya
Primitives
Choice, Score, Noul
Pricing
none — your compute

Metatext decisionsrank 18 of 21

Full leaderboard →
Per-question accuracy — default payload, systemone mode, 120 judgments
TaskQuestionTypeAccuracyBaselineBeats?
agent_tracesoutcomechoice0.1430.357❌
agent_tracesneeds_humannoul0.5000.714❌
customer_servicedepartmentchoice0.6500.400✅
customer_servicerefund_requestednoul0.6500.700❌
customer_servicefrustrationscore0.3000.500❌
security_incidentsseveritychoice0.3750.312✅
security_incidentsactively_exploitednoul0.5000.688❌

typed-decisionsrank 8 of 9

Full leaderboard →
Per-question accuracy — default payload, systemone mode, 2,000 judgments
TaskQuestionTypeAccuracyBaselineBeats?
td_agent_trace_observabilityactionchoice0.0600.360❌
td_agent_trace_observabilityneeds_reviewnoul0.5100.550❌
td_agent_trace_observabilityoutcomechoice0.3300.500❌
td_agent_trace_observabilityriskscore0.2100.340❌
td_agent_trace_observabilityurgencyscore0.1300.370❌
td_customer_serviceactionchoice0.1000.520❌
td_customer_servicecategorychoice0.7300.380✅
td_customer_servicechurn_riskscore0.3400.470❌
td_customer_serviceneeds_humannoul0.5300.670❌
td_customer_serviceurgencyscore0.3800.420❌
td_invoice_processingdiscrepancy_severityscore0.1600.470❌
td_invoice_processingdispositionchoice0.4100.450❌
td_invoice_processingduplicatenoul0.1100.890❌
td_invoice_processingmatches_ordernoul0.5400.540❌
td_invoice_processingurgencyscore0.3300.510❌
td_security_incidentscredential_compromisenoul0.5800.550✅
td_security_incidentsdispositionchoice0.1400.740❌
td_security_incidentsseverityscore0.2700.490❌
td_security_incidentstrue_positivenoul0.7100.730❌
td_security_incidentsurgencyscore0.3200.500❌

Fitted temperature per primitive (fold 0, judged on fold 1): choice 7, score 4, noul 7 — ECE 0.347 → 0.073, accuracy → 0.329.

Published numbers

Reported by the authors or by third parties, on their own suites. Not comparable to the leaderboard above; attributed so you can check them.

Third partyLargitData · 2026-09-20

Jev vs open models on multi-turn RAG routing

Measured on: 100 multi-turn RAG-routing decisions (20 conversations × 5), multilingual

All four sub-decisions correct
0.0% (p50 189 ms)

Third-party, per-item logs on GitHub.

Model cardConvai Innovations

LAYA typed-decisions model card

Measured on: typed-decisions test split (400 cases, 2,000 decisions)

Accuracy (no fine-tune)
0.342

Author-reported; the Jev row is quoted as "published", not measured by them. Trained on the suite's own train split.

Model cardConvai Innovations

LAYA multilingual model card

Measured on: MASSIVE (51 languages, 20-way), XNLI

MASSIVE macro accuracy / ECE
0.366 / 0.387 (ships uncalibrated; 0.106 after refit)
XNLI
en 0.843, 14 other languages 0.731

Author-reported.

Frequently asked questions

How does LAYA multilingual compare to Jev?

On typed-decisions LAYA multilingual scores 0.345 against Jev's 0.726, beating the majority baseline on 2 of 20 questions (Jev: 18/20).

Is LAYA multilingual open source?

Yes. convaiinnovations/laya-multilingual is released under Apache 2.0 and runs on your own hardware with the laya library.

Can LAYA multilingual extract entities?

No. LAYA multilingual answers questions about text and never returns spans; use a GLiNER-family model for extraction.