Cortex Network · Live

A real company from a sentence.
Grounded in truth.

Buildo builds your company. Big Dog finds customers and grows it. Cortex answers with facts — never guesses. Three products, one unfakeable moat: the Large Expertise Matrix.

Build your company now → Ask Cortex — free
< 15ms
median response
100%
primary source
0
hallucinations
01 · The Problem

Generative AI is broken
for anything that matters.

Generative models hallucinate facts up to 82% of the time in high-stakes domains. They generate — they don't know. And every query burns 4–5× the energy of a traditional search. Cortex is built the opposite way.

The whole architecture is broken for anything that requires accuracy: legal, medical, financial, scientific, operational. The world is building on a foundation of confident nonsense.

Generative AI vs. Cortex — the same numbers, flipped
Accuracy in high-stakes domains
82%✕ Generative AI
hallucinates — legal, medical, financial answers that are confidently wrong
Cortex flips it
0%✓ Cortex
every answer traced to a primary source — or Cortex tells you it doesn't know
Where the answer comes from
0✕ Generative AI
ground truth — it generates plausible text; it doesn't actually know anything
Cortex flips it
100%✓ Cortex
on the record — grounded expert endpoints, and it builds a new one when a topic is missing
Energy per query
4–5×✕ Generative AI
the compute of a traditional search — burned to regenerate the world every time
Cortex flips it
~1×✓ Cortex
retrieves grounded expertise instead of regenerating it — a fraction of the energy

That's what Cortex is: not another generative model that guesses, but a grounded Large Expertise Matrix that answers only from primary source — and everything Builda builds runs on it. Zero hallucination is the whole point.

02 · The Differentiator

Cortex LEM. The Large Expertise Matrix.

Everything Builda makes is powered by Cortex LEM — a live, self-replicating matrix of specialist AI endpoints, each one grounded in primary source. No generation. No hallucination. Every answer is grounded — and when a topic is new, Cortex builds the expert to answer it. This is how Buildo builds and how Big Dog works.

Self-replicating — it spawns sub-specialists, finds its own gaps and fills them. A fraction of the compute, a fraction of the energy, and it compounds at scale. That's the moat: real, grounded expertise competitors can't fake.

cortex.query
POST /v1/cortex/query { "domain": "legal", "query": "SEC Rule 10b-5 elements" } → 200 OK · verified · 12ms
✓

Grounded in primary source

Every endpoint is anchored to verified primary data. No generation, no hallucination — every answer traces to real primary sources, never invented.

⚡

Self-replicating architecture

Cortex identifies its own gaps and spawns sub-specialist endpoints to fill them. The network compounds — every query makes it smarter.

↗

Callable by any agent

Standard API surface. Any AI agent, any framework, any stack can call Cortex endpoints directly. No integration overhead.

◈

Fraction of the compute

Specialist retrieval uses a fraction of the energy of generative inference. Scales economically in ways LLMs cannot.

Ask Cortex — free →

A chat that can't hallucinate — it answers only from grounded experts, and builds a new one on the spot when it needs to. For anyone who needs the answer to be right.

03 · The Builder

Type a sentence.
Get a company.

Buildo is the builder that runs on Cortex LEM. Give it a sentence and it assembles the relevant expertise endpoints from the Large Expertise Matrix — your app, infrastructure, and data layer, built on real live data underneath.

Not a no-code toy. Not a template engine. A full-stack builder grounded in verified data, with every component callable, composable, and production-ready from day one.

Start building — it's free to try →
builda.company/app
A legal research platform for M&A due diligence ↵
App scaffold done · 0.8s
Cortex legal endpoints done · 1.2s
Data layer done · 0.6s
Auth + billing running…
04 · Head of Growth
Big Dog · morning brief
🐕 What's up, Big Dog!?
🔥 Acme Corp — proposal reply drafted
📈 3 leads sourced emails verified
📅 Call booked · Thu 2pm on calendar
✉️ 5 replies waiting your approval

Your whole growth team,
in one agent.

Big Dog is your Head of Growth — an entire growth department in one agent, running on Cortex LEM. It sources and verifies leads, works your pipeline, runs cold campaigns, quotes real jobs, and drafts & sends email in your voice — growing revenue while you sleep. Every real customer becomes a grounded endpoint in the Large Expertise Matrix, so nothing about your deals is ever hallucinated.

  • ✓ One inbox — every mailbox triaged (hot / warm / cold)
  • ✓ Works your deals through a live pipeline, drafts replies as you
  • ✓ Operator mode — give it a goal, it runs the autonomous loop
  • ✓ Finds & verifies emails free (Hunter-style), sources leads, runs cold campaigns
Open Big Dog →
05 · Pricing

Start free. Pay only for what pays you back.

Three offerings, unbundled — each matched to the value it delivers. Build for free and only share revenue when your company actually earns. Add the growth engine when you want it running daily. Ask Cortex free, forever.

Buildo · the builder
Free to build

Describe a company and Buildo builds a real one on Cortex LEM — site, storefront, quotes, checkout. No card, nothing up front. You only share revenue once it's actually earning; we're your merchant of record (15%).

Start building →
Big Dog · the growth engine
$49/mo per company · $39 each additional

Runs your company daily — finds customers, sends outreach in your voice, works the pipeline. Plus the make-it-yours perks: custom domain, no Builda badge, and a social launch kit. On when you want it working while you sleep.

Meet Big Dog →
Cortex Direct · grounded answers
Free · Plus $19 · Pro $99/mo

A chat that can't hallucinate — factual, cited answers straight from the expert matrix, for accuracy-critical work. Start free; upgrade for volume and the strongest grounded synthesis. Especially for legal, medical, finance.

Ask Cortex →
Live now

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