Introducing Billy
Personal AI · Cognitive substrate · The Billy Company
Confidential · Seed · 2026
Defining the Frontier
A specialized experience trained on an individual’s data to serve as an intelligent, secure extension of their own memory and cognition.
“Personal AI is going to be the most transformational tool of our lifetimes. This is truly an inflection point.”
Category Shift
From vision models to chat models to world models. The next frontier is personal AI, a system of intelligence that combines persistent memory, dreaming, adaptive learning, and empathetic reasoning. We call this a cognitive substrate.
Product Evolution
Chat AI
Answer questions
Agentic AI
Take actions
Personal AI
Your world model
Architecture Evolution
Scripted Automation
If-then rules
Pipeline Orchestration
Prompt → model → response
Cognitive Substrate
Stateful processing between interactions
The Product
Gets you, as you are, the more you share, the sharper it gets. Listens, learns, respects boundaries. On call to delight.
The Solution
Your second brain, companion, party planner, muse, study-buddy, business partner, and sous chef, your personal empire builder and the reason you remembered your anniversary.
Surface Hierarchy & Routing
Billy’s edge isn’t a surface, it’s voice and face identity, persistent memory, and context that travels. Surfaces are where that shows up.
Mobile & Ambient
Watch
Sense and nudge. Micro-interactions under 10 seconds. Pure info.
iPhone
Talk and capture. Voice-first personal channel. Living ambient display.
CarPlay
Hands-free only. Auditory briefings for the morning commute.
Desktop Operations
macOS
Monitor and manage. Menu bar for awareness, app for business ops.
Web
Command and deep work. Maximum density. The full operational center.
Intelligent Routing
Billy decides which.
You don’t pick the surface. Billy picks it, or picks none at all.
Trust and Security
Six structural guarantees, not a privacy policy you’ll never read. Every memory is typed, every action gated, every integration minimally scoped, every process isolated.
Authenticated API Surface
Every integration point is authenticated and rate-limited.
Identity Binding
Billy is bound to a verified identity. No anonymous agent drift.
Your Memory is Billy’s Memory.
Black-boxed.
Approval / Interrupt Layers
Risky actions require explicit user confirmation.
Scoped Integrations
Minimal permissions. No broad OAuth overreach.
Sandboxed Execution
Code and agent actions run in isolated environments.
Why Now
$37B
AI Companion Market
2025 · 31% CAGR
$56B
Personal AI Assistants
projected 2034 · 38% CAGR
~50%
U.S. Share
of consumer AI spend (Bloomberg)
$22.3T
AI Economic Impact
IDC, cumulative by 2030
Current Agentic AI is only for the classes and Billy is opening it up to the masses.
What Makes Us Different
Cognitive Substrate
A system of intelligence that dreams, considers, and keeps thinking between sessions.
The Darwin Model
Pipeline AI stacks memory, voice, planning, and action as separate calls around a language model. The Darwin Model is one adaptive substrate where six execution contexts collapse into a single architecture that evolves to the user over time.
Cost Moat
Lower effective cost than power-user stacks.
Billy’s moat is not a feature, it is a matrix of hundreds of design and architectural choices, creating an almost unexplainably personal AI experience; big tech can do anything they want but they can’t and won’t be able to replicate the elegance of this matrix.
~$300/day
Pipeline always-on, priced to cost
Subsidized today. Not forever.
~$40/mo
Billy Pro
Architecture, not subsidy.
Most labs hide that by subsidizing power users. Anthropic is the exception: they price closer to cost, which is why their top tier is rate-limited. Subsidies aren’t a moat. They’re a timeline.
The Architecture Difference
Everyone Else
Billy · Revolutionary Intuition
The Ecosystem
Gemini / Google
Strongest at
Workspace-native execution
How Billy makes them better
Persistent personal memory beyond the workspace
OpenAI / ChatGPT
Strongest at
General reasoning, broad reach
How Billy makes them better
Deep embedding into daily life, continuous processing
Claude
Strongest at
Writing, long-context thinking
How Billy makes them better
Multi-surface coordination and proactive life mgmt
OpenClaw
Strongest at
Orchestration, memory, multi-agent
How Billy makes them better
Consumer-grade polish and mass-market accessibility
xAI / Grok
Strongest at
Real-time, social, unfiltered
How Billy makes them better
Structured life coordination, persistent context
Enterprise AI
Strongest at
Gov / sovereign AI infrastructure
How Billy makes them better
Consumer-facing personal layer that complements
Team
Built product before raising.
Griffin Strier
Founder & Inventor
Author of three papers on Billy’s cognitive architecture (Algorithmic Scaffolding, Oscillator-Gated Cognitive Scheduling, BillyNet). Built the full substrate and decoder stack.
Brian Johnson
Co-Founder & CSO
Co-founded Robot Network (AI infrastructure). Former Managing Partner at Republic Capital, five years leading crypto and consumer tech deals. Exited Rengen Labs, 2018.
Alex Litovchenko
Co-Founder & Neuroscientist
PhD, Columbia University. Drives the biological grounding behind Billy’s substrate.
Strategic Advisor
Keith Strier
Strategic Advisor
SVP Global AI Markets at AMD.
Indication of Interest
Billy is raising a $10M seed. We are looking for investors and partners who believe the personal AI layer is the next great consumer platform.
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