⚡ Leio · System 1 Decision Engine · Open Weights

Not a chatbot.
A mathematical decision engine.

Evaluating formal ontologies in < 1ms with proven subsumption monotonicity and zero hallucination. At $0.042 per 1M input tokens, outputs are always 100% free.

< 1 μs
In-Browser WASM Latency
$0.042
Per 1M Input Tokens · Free Outputs
P(A) ≤ P(B)
Formally Guaranteed Monotonicity
Leio Studio · System 1 Decision Runtime
WASM < 1μs
Observation Input 0 chars
Active Subgraph Ranked Probabilities Axiom Projected
Grounded Decision Verdict
axioms: verified ✓
leio:SystemOneEngine 100% Conf
P(child) ≤ P(parent) Subsumption Monotonicity holds
A ⊓ B = ⊥ Disjointness Exclusion holds
Down-Set: Subsumed Principal down-set membership verified
< 1 ms Runtime Sub-millisecond Browser ESModule
Verifiable Telemetry JSON Click to expand
Loading Ontologies & O-Laya Engine...
THE ARCHITECTURAL PARADIGM SHIFT

Why generative LLMs fail at structured decisions.

Generative LLMs sample tokens autoregressively one by one with unconstrained softmax pools. Leio evaluates formal knowledge graphs in a single forward pass with axiomatic exclusion.

Head-to-Head Latency & Reliability Race
Live simulated benchmark against cloud-hosted autoregressive models
Legacy: Generative LLM
1,450 ms
Output Paradigm: Autoregressive tokens (1 by 1)
Hallucination Risk: 8–14% (Stochastic sampling)
Math Guarantee: None (Unconstrained softmax)
Cost per 1M Decisions: $15,000.00 (Input + Output)
Client Offline: Impossible (Cloud GPUs only)
Idle — click "Run Live Latency Race"
⚡ Leio: Ontology-Grounded System 1
< 0.001 ms (0.8 μs)
Output Paradigm: Single forward pass over formal DAG
Hallucination Risk: 0.000% (Axiom verified)
Math Guarantee: P(child) ≤ P(parent) everywhere
Cost per 1M Decisions: $0.042 (Outputs 100% Free)
Client Offline: 189 KB WebAssembly in Browser
Ready in RAM (>500k decisions/sec)
REAL-TIME INDUSTRIAL AUTONOMY

Zero-latency dispatch for autonomous physical systems.

Watch a live System 1 agent evaluate high-speed 200kHz barcode sensor streams and trigger pneumatic diverter gates across supply chain chutes using formal GS1 axioms in <1ms.

🤖 Autonomous Cross-Dock Sorter Agent ● Live System 1 Agent

Dispatching pallets across high-speed conveyor chutes using GS1 ontology axioms.

Incoming Conveyor Pallet
Perishable Whole Milk Cartons (Pallet #4092)
GTIN: 0614141000036 | Sensor: 3.4°C | Carrier: ColdExpress
Grounded CURIE
gs1:MilkButterCream
Chute 1: Cold Chain
Perishables & Dairy (34-38°F)
Chute 2: Hazmat / UN
Lithium / Chem Quarantine
Chute 3: Ambient Dry
General Retail & Hardware
Chute 4: Reverse Pallet
Returnable Euro Packaging
Autonomous Agent Audit Log (Zero-Hallucination Loop) 0 ms
[System Ready] Leio decision engine initialized with GS1 Web Vocabulary DAG (63 classes).
[Agent Idle] Press "Run Live Mission" to watch autonomous barcode intake and conveyor diverts.
STRUCTURED DECISION PRIMITIVES

Five primitives. Zero prose.

Instead of prompting an unconstrained language model with paragraphs of instructions, you formulate decisions using five mathematically rigorous primitives.

from olaya import OLaya

olaya = OLaya()

state = {
    "gtin": "0614141000036",
    "scan_text": "Grade A pasteurized whole milk, 1 gallon jug with tamper-evident seal. Keep refrigerated at 34-38 F.",
    "sensor_temp_c": 3.2,
    "carrier": "ColdExpress Logistics",
}

questions = {
    "taxonomy_grounding": { "type": "concept", "root": "Product", "instructions": "Ground item into GS1 category." },
    "requires_cold_chain": { "type": "subsumes", "concept": "FoodBeverageTobaccoProduct", "instructions": "Perishable handling rules?" },
    "packaging_triage":   { "type": "choice", "criteria": {"pallet_return": "reusable wooden pallet", "corrugated_bale": "cardboard carton"} },
    "dock_urgency":       { "type": "score", "criteria": ["ambient_low", "standard_dock", "expedited_perishable_cold_chain"] },
    "seal_breach_alert":  { "type": "noul", "instructions": "Any indication of seal damage or temperature excursion?" }
}

result = olaya.system_one(state, questions)

1. concept

Leaf taxonomy grounding with guaranteed monotonicity: P(child) ≤ P(parent) everywhere. Returns full ancestral lineage with no broken category math.

P(Product) ≥ P(FoodBeverage) ≥ P(Milk)

2. subsumes

Tests whether the item belongs to the principal down-set ↓C of a target category. Enables instantaneous PLC diverter triggers without querying external clouds.

↓C = {x ∈ Ο | x ⊑ C}

3. choice

Evaluates mutually exclusive options with category-theoretic exclusion. If two classes are disjoint, their joint probability is strictly zero.

A ⊓ B = ⊥ &implies; P(A ∩ B) = 0

4. score & noul

Ordered ordinal calibration for priority queues, alongside binary out-of-domain anomaly gating to catch sensor excursions and unknown SKUs.

E[Y] = ∑ i · P(level_i)
VERIFIABLE HARDWARE BENCHMARKS

Measured on bare metal. Proven at scale.

Tested on Apple Silicon MPS and single-core CPU on operational GS1 supply chain workloads. The WASM build runs entirely in-browser with zero network round-trip.

Runtime / Architecture Parameters Footprint Median Latency P95 Latency Throughput Deployment Target
🦀 Rust WASM (olaya-wasm) LIVE ✓ 0 (pure index) 189 KB .wasm binary < 1 μs < 2 μs >500,000 qps In-browser client · zero network, zero server
Rust Arrow Lexical (olaya-core) 0 (pure index) Arrow IPC Buffer 4.8 μs 5.2 μs ~210,000 qps Embedded PLC · Conveyor Chute Divert
Custom BERT Decision Model 15.37M 4 layers, 256d 12.71 ms 14.52 ms 231.7 qps Edge Scanner · Forklift Handheld Terminal
ModernBERT-base Backbone 149.91M 22 layers, 768d 199.10 ms 217.52 ms 14.9 qps Control Tower · High-Fidelity Triage
RADICAL PRICING ECONOMICS

$0.042 per million input tokens. Outputs free.

Generative LLMs bill you for slow, verbose output tokens. Leio meters inputs only at Jev-compatible rates, making output decisions completely unmetered and free.

Developer Free Tier
$0
Free forever for local development
  • ✓ 100,000 API requests per month
  • ✓ 189 KB in-browser WASM client
  • ✓ Open-weights PyTorch & ONNX checkpoints
  • ✓ 6 standard domain ontologies included
  • ✓ Community GitHub support
Get Started Free
Enterprise VPC
Custom
Dedicated on-premise & air-gapped instances
  • ✓ Air-gapped on-premise deployment
  • ✓ Custom enterprise ontology fine-tuning
  • ✓ Hardware PLC diverter bridge drivers
  • ✓ Sub-microsecond bare-metal Arrow engine
  • ✓ 99.999% high-availability SLA
  • ✓ Dedicated solutions engineer
Contact Enterprise
Interactive ROI Calculator
Compare annual compute cost against generative LLM APIs
Monthly Decisions: 1,000,000
Presets:
Presets:
Generative LLM Cost (GPT-4o mini / Claude Haiku)
$4,500.00 / mo
Cumulative latency: 333.3 hours of wait time/mo
Leio System 1 Cost ($0.042/1M Inputs · Free Outputs)
$1.26 / mo
Cumulative latency: < 0.8 seconds total for all ops
NET COMPUTATIONAL SAVINGS
$53,984.88 / year saved
99.97% cost reduction
DEVELOPER INTEGRATION

One command to embed or query.

Drop Leio directly into your autonomous agents, CLI tools, or web applications with zero configuration.

uvx olaya-mcp Copy
Zero-install Python MCP agent server
npx @mycelia/olaya-mcp Copy
Zero-install Node.js MCP agent server
pip install olaya Copy
Python SDK with open weights
POST /api/systemone Copy
Jev-compatible hosted edge endpoint